Advertisement

Conductive Nonwoven for EMI shielding

Connecting the composites industry

All Topics See All

Additive Manufacturing

Adhesives

Advanced Air Mobility

Aerospace

Application

ATL/AFP

Autoclave

Automation

Automotive

Biomaterials

BMI

Bonding/Welding

Braiding

CAMX

Carbon Fibers

Ceramic Matrix Composites

Coatings

Composites 4.0

Composites Basics

Compression Molding

Construction

Consumer

Core

Curing

Cutting/Kitting

CW Top Shops

CW Trending

Cyanate Ester

Defense

Design & Tooling

Design and Testing

Design/Simulation

Digital Demos

Digitization

Economics

Editorial

Electric Vehicles

Electronics

Epoxies

Fabrics/Preforms

Fastening / Finishing

Feature

Filament Winding

Focus on Design

FRP Rebar

Glass Fibers

Hi-Temp Resins

Hydrogen Storage

IACMI

Infrastructure

Infusion

Injection/Overmolding

Inside Manufacturing

JEC

Job Postings

Ketones

Lifecycle Analysis

Machining/Drilling

Marine

Market Outlook

Markets

Mass Transit

Materials

Materials Testing

Medical

Molds/Tools

Nanomaterials

Natural Fibers

NDI

Out of Autoclave

Past, Present and Future

Perspectives and Provocations

Plant Tours

Predicting Failure

Prepregs

Pressure Vessels

Processes

Pultrusion

Recycling

Reinforcements

Repair

Resins

RTM

Sensors

Sheet Molding Compound

SHM

Sustainability

Thermoplastics

Trends

Troubleshooter

Weaving

Wind/Energy

Work In Progress

Workforce Development
Markets See All

15 Jul 2024 Defense
Beta completes Alia CTOL deployments with two U.S. DOD major commands
On-base and cross-country missions were conducted with the Air Combat Command and Air Mobility Command via multi-day and day-long exercises to evaluate Beta’s composite aircraft with real-world scenarios.

12 Jul 2024 Advanced Air Mobility
Joby demonstrator makes 523-mile hydrogen-electric flight
Hydrogen-electric program builds on technology developed by H2FLY subsidiary, demonstrates potential for emissions-free regional travel using Joby’s all-composite eVTOL aircraft.

11 Jul 2024 Pressure Vessels
Hexagon Mobile Pipeline order supports enhanced industrial gas transportation
Modules feature all-composite Titan cylinders and high-strength steel frame, transporting almost double that of steel tube trailers.

5 Jul 2024 Advanced Air Mobility
Stellantis invests additional $55 million in Archer
Following Midnight’s recent flight test milestone, the automaker’s strategic funding agreement buildings on $39 million worth of Archer stock and $110 million investment in 2023.

5 Jul 2024 CAMX
COPVs designed, qualified for demanding aerospace, automotive applications
CAMX 2024: Hexagon Purus showcases its portfolio of Type 3 and 4 COPVs which can be configured to meet a variety of needs.

3 Jul 2024 Advanced Air Mobility
Eve receives $94 million additional equity to support eVTOL development
New capital financing includes equity injection participation from large strategic industrial companies and diversified investors.
Design & Tooling See All

10 Jul 2024 Materials Testing
Digital chemistry platform leverages physics-based modeling for enhanced workflow
CAMX 2024: Schrödinger introduces a digital chemistry software platform, designed to enable researchers to tackle materials challenges across diverse polymer resin and carbon fiber applications.

9 Jul 2024 CAMX
Universal test system, testing fixtures provide standardized composites testing
CAMX 2024: MTS Systems showcases the Criterion 43 universal test system with a custom software interface, as well as composites testing fixtures and contact and noncontact extensometers.

1 Jul 2024 Molds/Tools
Adapa reconfigurable mold technology replaces one-off fabrication
From hand lamination to thermoforming, the company’s adaptive mold enables the production of complex, curved structures without the waste or time associated with more traditional molds.

17 Jun 2024 Materials Testing
Precision universal testers optimize materials testing, analysis
CAMX 2024: Fast and flexible AGX-V2 Series by Shimadzu provides more intelligent operability for testing tasks, supporting composites, plastics, metals and finished products.

17 Jun 2024 Design/Simulation
CoreTech, Xnovo bring 3D imaging to Moldex3D molding software
Moldex3D users will now be able to conduct accurate 3D fiber orientation simulations using calibrated fiber parameters.

14 Jun 2024 Sustainability
Fyous launches infinitely reusable manufacturing mold tech
PolyMorphic Moulding technology uses 28,000 digitally controlled pins to create a shape from a 3D CAD shape in less than 20 minutes, achieving zero waste and enabling parts production 14 times faster than 3D printing.
Materials See All

15 Jul 2024 Carbon Fibers
Commingled yarn solutions provide flexible thermoplastic prepregs
CAMX 2024: Concordia Engineered Fibers presents customizable commingled yarn solutions, including environmentally friendly options.

12 Jul 2024 Construction
Duplicor biocomposite cladding aids redevelopment of ABN AMRO office building in Amsterdam
Chosen for low CO2 footprint, RC value >9, fire resistance, light weight and high strength, Duplicor façade structures are key to two-story extension.

12 Jul 2024 Automotive
Carbon fiber metro train to hit the rails in China
An 11% weight reduction and 7-15% less energy consumption make this upcoming vehicle a more eco-friendly transportation option.

11 Jul 2024 Machining/Drilling
Net-shape machining services available for structural foam core
CAMX 2024: In addition to its distribution of various product materials for the composites industry, Technology Marketing Inc. now assists in machined net-shaped Rohacell structural foam core to customer requirements.

11 Jul 2024 Glass Fibers
Thermoplastic composite tapes highlight high-performance, sustainability
CAMX 2024: Specialized portfolio of composite materials and engineered fiber solutions by Avient Corp. includes thermoplastics, thermosets and UD tape options.

10 Jul 2024 Natural Fibers
Alliance of European Flax-Linen & Hemp announces positive outlook for 2024 flax fiber harvest
Flax harvest is anticipated to be on track to meet industry market demand for natural flax fibers.
Processes See All

15 Jul 2024 Additive Manufacturing
Techmer PM inducted as Purdue CAM’s first material supplier
Techmer PM, Purdue to create materials optimized for LFAM at Composites Manufacturing and Simulation Center, while providing education, validated simulation tools, materials characterization and industry best practices.

12 Jul 2024 Additive Manufacturing
Venox launches V-REX continuous fiber extrusion printer
Five-axis system with an automatic toolchanger achieves precise fiber placement for anisotropic properties, enables the use of up to six different print heads.

12 Jul 2024 Filament Winding
Automated towpreg systems provides direct access to wet winding
CAMX 2024: Century Design Inc. highlights its OnDemand towpreg systems, designed to provide differentiation and cost efficiency in-house while maintaining high quality.

11 Jul 2024 CAMX
Net-shape machining services available for structural foam core
CAMX 2024: In addition to its distribution of various product materials for the composites industry, Technology Marketing Inc. now assists in machined net-shaped Rohacell structural foam core to customer requirements.

4 Jul 2024 CAMX
Formable, reusable tooling achieves complex composite parts
CAMX 2024: Hawthorn Composites is displaying an inner and outer tail boom and a multi-chamber composite trailing edge control surface, enabled via its Smart Tooling solution.

4 Jul 2024 ATL/AFP
Modular, upgradeable, automated composites manufacturing equipment
CAMX 2024: Mikrosam highlights its filament winding automation, AFP and ATL, modular prepreg slitting and rewinding machine, and towpreg production lines for productivity and reduced costs.
Composites 101 See All

1 Jun 2024 Composites Basics
CW Tech Days — Upcoming and past events
CW Tech Days are virtual events dedicated to the topics impacting the composites industry today. Access past event recordings and register for upcoming Tech Days.

20 Feb 2024 Composites Basics
Composites end markets: Electronics (2024)
Increasingly, prototype and production-ready smart devices featuring thermoplastic composite cases and other components provide lightweight, optimized sustainable alternatives to metal.

25 Aug 2023 Composites Basics
Celebrating 30 years of CompositesWorld, Part 1
CW explores key composite developments that have shaped how we see and think about the industry today.

21 Jul 2023 Design/Simulation
The basics of composite drawing interpretation
Knowing the fundamentals for reading drawings — including master ply tables, ply definition diagrams and more — lays a foundation for proper composite design evaluation.

27 Jan 2023 Molds/Tools
Proper application of semi-permanent mold release systems
Performing regular maintenance of the layup tool for successful sealing and release is required to reduce the risk of part adherence.

9 Jan 2023 Market Outlook
Composites end markets: Aerospace (2023)
With COVID in the past and passengers flying again, commercial aircraft production is ramping up. The aerocomposites supply chain is busy developing new M&P for an approaching next-generation aircraft program.
- Webinars
- Events
- Suppliers
- Whitepapers
Webinars See All

23 Jul 2024
A Thermoplastic Particle Foam for Aviation Interior Sandwich Composites
In addition to its proven fire resistance as a pure foam and within a sandwich composite system, the new material offers efficient manufacturing of 3-dimensional geometries and opens new possibilities for direct function integration. Agenda: Manufacturing process of thermoplastic particle foams Sandwich composite component requirements of commercial aircraft interior structures (e.g. FST, Heat Release) Function integration into net shape molded foam parts (e.g. inserts) Potential use-cases in fire critical applications

20 Aug 2024
Enabling Next-Generation Composites with Circular Carbon Materials
Composites using graphene is not a new concept — but what is new is that the industry now recognizes "graphene" as an actual family of materials with different properties and promise. A new and exciting form of graphene is made from reclaimed methane, which uses new technologies to create green carbon materials. While showing great sustainability promise, functionalization is needed to unlock graphene's full range of properties for the next generation of composites to make these carbon materials useful. In this webinar, graphene manufacturer Mito Material Solutions will discuss how to bring functionalization and multifunctionality to these new "green" graphenes to enable a stronger, more robust and sustainable world.

On Demand
Digital Solutions for Enhanced Productivity in Composites Engineering
Explore next-gen composites engineering solutions in this webinar. Uncover the capabilities of Fives' Composite Optical Automated Surface Tracking (COAST) platform and Advanced Composites Environment Suite (ACES) software, optimizing design, production and quality control. Gain insights into how these end-to-end solutions enhance productivity and deliver measurable results. Join Fives to discover the transformative benefits of a fully-integrated digital solution for revolutionizing manufacturing processes. Agenda: Digital composites suite: CAD, CAM, robotic automated fiber placement (RAFP) and in-process inspection Video demonstration Value propositions Product offerings

On Demand
Behind the Scenes: 3 Steps to 3D-Print a Thermoset Mold
Find out how outsourced, costly tooling can be produced in-house to overcome bottlenecks, reduce costs and protect IP. Agenda: Explore durable casting materials that can be 3D-printed in complex designs Discover industry-proven Sika materials now available for high-speed, additive tooling Explore the benefits of thermoset molds that ensure uniform expansion, optimum bonding with the end part, as well as high durability

On Demand
Advances in Aerospace: Building the Case for Thermoplastics
Thermoplastic material systems have been used in aerospace for decades. Their use and adoption continues to grow and Trelleborg has been on the leading edge of development for many of these systems. In this webinar, Trelleborg will be presenting a range of topics from the use of in-situ, automated fiber placement of thermoplastics prepreg for structural and functional products to complex injection molding of thermoplastic interior pieces. It will explore some of the benefits these products provide and the potential for future growth and development. Agenda: Current state of thermoplastics in aerospace Thermoplastic composite use cases for high-performance electric motors and torque tubes Injection-molded thermoplastic interior pieces The future of potential for thermoplastic applications for aerospace

On Demand
Introduction of Automotive-Matured Surface Technologies and High-Rate Thermoplastic Aerospace Applications at NIAR
KraussMaffei will explain in-situ polyurethane (PUR) overmolding of injection-molded and composite parts and the development of this technology over the last decade. Waruna Seneviratne, director of the Advanced Technologies Lab for Aerospace Systems (ATLAS), will discuss how aerospace and advanced air mobility (AAM) markets can capitalize on this high-rate manufacturing solution. Agenda: What is ColorForm: process, equipment and tooling Pros and cons of the technology High technology solution examples: ColorForm automotive Market references in automotive Demand for future commercial aviation and both AAM and urban air mobility (UAM) What aerospace can learn from automotive for addressing demand for high-rate manufacturing Technological advances enabling material and process improvements for the future Role of ATLAS manufacturing innovation center for promoting advanced manufacturing and workforce development Road map for certification through manufacturing demonstrations

17 Jul 2024 New & Upcoming
Advancements in Resin Infusion for High-Rate Manufacturing Register Now
Events See All

4 Sep 2024
International Composites Summit 2024
The International Composites Summit (ICS) is renowned as the only solely focused UK event for professionals involved in the composites industry. ICS promises to be a unique platform for knowledge sharing, networking, and exploring the latest advancements in composite materials internationally, bringing people together to do business.

4 Sep 2024
SPE ACCE 2024
Join us at the ACCE 2023 event and learn about how the automotive and transportation industries are advancing with composites playing a key role in the development of electric vehicles and sustainability initiatives worldwide. Lightweight composites are ideal materials for improving vehicle performance, reducing mass, extending range and compensating for battery weight. Polymer composites are enabling lower emission vehicles, reducing the carbon footprint and saving energy to benefit the environment now and in the future. Thermoset and thermoplastic composites are the key to EV, Mobility and Sustainability.

4 Sep 2024
International Composites Summit (ICS)
The International Composites Summit (ICS), THE single place to do the most cost effective and sustainable composites business in the UK, is back for its highly anticipated 2023 edition, bringing together industry leaders, researchers, and innovators from across the composites sector. ICS promises to be a unique platform for knowledge sharing, networking, and exploring the latest advancements in composite materials internationally, bringing people together to do business. The International Composites Summit is renowned as the only solely focused UK event for professionals involved in the composites industry.

9 Sep 2024
CAMX 2024
CAMX is your best source for new solutions, technologies, and ideas you need for your current and future projects. CAMX makes it easy to watch live process demos, see materials and interactive displays on what may be possible in the future, and meet with hundreds of manufacturers, distributors, and suppliers.

10 Sep 2024
Parts Cleaning Conference at IMTS 2024
Debuting in 2010, the Parts Cleaning Conference is the leading and most trusted manufacturing and industrial parts cleaning forum focused solely on delivering quality technical information in the specialized field of machined parts cleansing. Providing guidance and training to understand the recognized sets of standards for industrial cleaning, every year the Conference showcases industry experts who present educational sessions on the latest and most pressing topics affecting manufacturing facilities today. Discover all that the 2022 Parts Cleaning Conference has to offer!

1 Oct 2024
IBEX 2024
IBEX 365 is the event’s year-round hub for buyers and professionals looking to source the most innovative technology and newest products available.

17 Jul 2024 New & Upcoming
PU China/UTECH Asia Register Now
Suppliers See All

Auxiliary processing equipment, repair equipment, and supplies

Composite Structures & Components

Design, testing, consulting, other services

Fabricating Services

Fiber converting/prepreg manufacturing equipment

Materials

Primary manufacturing equipment

Testing, gauging, monitoring, analytical equipment and software

Tool Types

Tools/tooling materials

Get Listed!
Thousands of people visit our Supplier Guide every day to source equipment and materials. Get in front of them with a free company profile.
Request Your Free Listing
Whitepapers See All

10 Jan 2024
Jetcam addresses the economic importance of efficient material nesting
Jetcam’s latest white paper explores the critical aspects of nesting in composites manufacturing, and strategies to balance material efficiency and kitting speed.

8 Jan 2024
Arris Composites demonstrates advantages of natural fibers applied with Additive Molding
Arris presents mechanical testing results of an Arris-designed natural fiber thermoplastic composite in comparison to similarly produced glass and carbon fiber-based materials.

27 Dec 2023
Cevotec white paper presents novel approach for H2 tank production
Cevotec, a tank manufacturer, Roth Composite Machinery and Cikoni, have undertaken a comprehensive project to explore and demonstrate the impact of dome reinforcements using FPP technology for composite tanks.

23 Nov 2023
KCARBON and KIST develop lyocell/PLA/wood biocomposites
Initial demonstration in furniture shows properties two to nine times higher than plywood, OOA molding for uniquely shaped components.

1 Nov 2023
Exel Composites releases guide for design considerations in composite tubes
The composite tubes white paper explores some of the considerations for specifying composite tubes, such as mechanical properties, maintenance requirements and more.

21 Jul 2023
UAMMI white paper addresses composites recycling in Utah
Foundational research discusses the current carbon fiber recycling landscape in Utah, and evaluates potential strategies and policies that could enhance this sustainable practice in the region.
Articles See All

8 Jul 2024 Economics
Composites industry activity continued to contract faster in June
Composites Fabricating’s second month of contraction, also reflected in other industry segments, suggests larger factors are at play.

1 Jul 2024 Editorial
Revisiting the OceanGate Titan disaster
A year has passed since the tragic loss of the Titan submersible that claimed the lives of five people. What lessons have been learned from the disaster?

27 Jun 2024 Ketones
Combining multifunctional thermoplastic composites, additive manufacturing for next-gen airframe structures
The DOMMINIO project combines AFP with 3D printed gyroid cores, embedded SHM sensors and smart materials for induction-driven disassembly of parts at end of life.

26 Jun 2024 Editorial
Achieving composites innovation through collaboration
Stephen Heinz, vice president of R&I for Syensqo delivered an inspirational keynote at SAMPE 2024, highlighting the significant role of composite materials in emerging technologies and encouraging broader collaboration within the manufacturing community.

24 Jun 2024 Aerospace
Plant tour: Aernnova Composites, Toledo and Illescas, Spain
RTM and ATL/AFP high-rate production sites feature this composites and engineering leader’s continued push for excellence and innovation for future airframes.

24 Jun 2024 Aerospace
Aernnova Composites, leader in composites R&D
This sidebar to CW’s July 2024 feature article reviews the company’s achievements and capabilities through years of composites R&D programs.

15 Jul 2024 CAMX
Getting ready for CAMX 2024
Sustainability See All

26 Jun 2024 Wind/Energy
Achieving composites innovation through collaboration
Stephen Heinz, vice president of R&I for Syensqo delivered an inspirational keynote at SAMPE 2024, highlighting the significant role of composite materials in emerging technologies and encouraging broader collaboration within the manufacturing community.

19 Jun 2024 Sustainability
Teijin Carbon Europe receives ISCC Plus certification
Certification covers Tenax carbon fiber production at Heinsberg-Oberbruch, Germany, plant, adds to Teijin’s certifications for carbon fiber and PAN in Japan.

14 Jun 2024 Sustainability
Fyous launches infinitely reusable manufacturing mold tech
PolyMorphic Moulding technology uses 28,000 digitally controlled pins to create a shape from a 3D CAD shape in less than 20 minutes, achieving zero waste and enabling parts production 14 times faster than 3D printing.

10 Jun 2024 Trends
Airbus flies bio-based carbon fiber helicopter nose panel
Proof-of-concept part used bio-based acrylontrile precursor with same performance as conventional CFRP but with significantly less CO2.

10 Jun 2024 Lifecycle Analysis
ACMA sustainability event educates on composites LCA, recycling
Recent conference in Denver, Colorado, emphasized the tools and knowledge composites manufacturers will need to meet customer and government sustainability goals.

3 Jun 2024 Sustainability
Diehl Aviation, 9T Labs present Eco Bracket
Ultra-lightweight and made of recycled composites, the Eco Bracket cuts weight and cost in half and reduces CO2 emissions, in addition to providing high performance.

16 Jul 2024 Pressure Vessels
EOLIAN kicks off bio-based wind blade development
Knowledge Centers

Sustainability
The composites industry is increasingly recognizing the imperative of sustainability in its operations. As demand for lightweight and durable materials rises across various sectors, such as automotive, aerospace, and construction, there is a growing awareness of the environmental impact associated with traditional composite manufacturing processes.

The Now and Next in Composites

Closed Molding Knowledge Center
Closed mold processes have many advantages over open molding. In this knowledge center, learn the basics and vital tools needed to produce parts accurately.

Automated Composites
In the Automated Composites Knowledge Center, CGTech brings you vital information about all things automated composites.

Sensors for Composite Processing

CompositesWorld Collections
CW’s editors are tracking the latest trends and developments in tooling, from the basics to new developments. This collection, presented by Composites One, features four recent CW stories that detail a range of tooling technologies, processes and materials.
CW Tech Days

Composites in Infrastructure and Construction
CompositesWorld’s CW Tech Days: Infrastructure event offers a series of expert presentations on composite materials, processes and applications that should and will be considered for use in the infrastructure and construction markets.

Composites in Advanced Air Mobility
Explore the cutting-edge composites industry, as experts delve into the materials, tooling, and manufacturing hurdles of meeting the demands of the promising advanced air mobility (AAM) market. Join us at CW Tech Days to unlock the future of efficient composites fabrication operations.

Thermoplastics for Large Structures
Thermoplastics for Large Structures, experts explored the materials and processing technologies that are enabling the transition to large-part manufacturing.

Sustainability in Composites Manufacturing
Explore the technologies, materials, and strategies that can help composites manufacturers become more sustainable.
Collections See All

Composites in Hydrogen Storage
A report on the demand for hydrogen as an energy source and the role composites might play in the transport and storage of hydrogen.

Recycled Composites
This collection features detail the current state of the industry and recent success stories across aerospace, automotive and rail applications.

Thermoplastic Composites
This collection details the basics, challenges, and future of thermoplastic composites technology, with particular emphasis on their use for commercial aerospace primary structures.

Tooling
This collection features recent CW stories that detail a range of tooling technologies, processes and materials.

Biomaterials 16 Jul 2024

CUBIC project updates reinforce focus on bio-based composites development
Pressure Vessels 16 Jul 2024

EOLIAN kicks off bio-based wind blade development
Defense 15 Jul 2024

Beta completes Alia CTOL deployments with two U.S. DOD major commands
15 Jul 2024

National Grating expands FRP product distribution to Canada
Additive Manufacturing 15 Jul 2024

Techmer PM inducted as Purdue CAM’s first material supplier
CAMX 15 Jul 2024

Getting ready for CAMX 2024
Advanced Air Mobility 12 Jul 2024

Joby demonstrator makes 523-mile hydrogen-electric flight
Ceramic Matrix Composites 12 Jul 2024

MATECH C/ZrOC composite is deployed in hypersonic aeroshells
Prepregs 12 Jul 2024

Duplicor biocomposite cladding aids redevelopment of ABN AMRO office building in Amsterdam
Ceramic Matrix Composites 12 Jul 2024

General Atomics wins DOE contract to develop silicon carbide CMC for fusion power plants

Construction

Thermoplastics 23 Mar 2018

Saint-Gobain acquires HyComp

Group strengthens its portfolio in high performance composites for aerospace and industrial markets.

Mass Transit 22 Mar 2018

Composites – A neophyte’s quandary

An oft-cited concern is that new engineers are not exposed to composites as part of their materials science courses.

Construction 22 Mar 2018

Wood/carbon composites for architecture

Innovative organic architecture enabled with wood/carbon laminates, software tools.

Epoxies 7 Mar 2018

Five highlights from JEC World 2018

It’s not Spring without a trip to Paris, France for the JEC World 2018 composites conference. It’s become a very big show, and thus, offers some big announcements and some developing trends.

Construction 27 Feb 2018

JEC World 2018 preview: Porcher

Porcher Industries (Eclose-Badinières, France) will have a talented team of textile, composite and chemical engineering experts in Paris to present their latest innovations at JEC World 2018.

Glass Fibers 27 Feb 2018

JEC World 2018 preview: DORNIER Composite Systems

New customized equipment for semi-finished products and in-house production of thermoplastic tapes

Design/Simulation 27 Feb 2018

JEC World 2018 preview: Altair

Altair hosts conference session on “Simulation-driven Design for Composites” featuring case histories from Airbus, Pronal and others

Mass Transit 26 Feb 2018

JEC World 2018 preview: Aliancys

At the upcoming JEC World 2018 trade show, Aliancys (Schaffhausen, Switzerland) will be presenting several new product innovations.

Marine 12 Feb 2018

Carbon Fibre Preforms for low-cost and zero waste

Chopped fiber preforms in seconds, 1200°C burn resistance for hours, low-cost CFRP to replace metals

Aerospace 2 Feb 2018

Kordsa pursues composites R&D

Turkish reinforcements supplier posts record number of patents and inventions, with over 25% from its Composites Technologies Center of Excellence.

36
37
38
39
40
41
42
43
44

Advertisement

Release agents and process chemical specialties

Advertisement

CAMX 2024

Advertisement

MITO® Material Solutions

Advertisement

CompositesWorld

Advertisement

NewStar Adhesives - Nautical Adhesives

Advertisement

Industrial CNC Routers

Advertisement

CompositesWorld

Advertisement

Advert for lightweight carrier veils used in aero

Advertisement

Release agents and process chemical specialties