Composites Resins
Resins play a pivotal role as the matrix material in composite structures, bonding and encapsulating reinforcements like fibers within the composite. These materials, commonly in liquid form before curing, undergo a transformation into a solid, durable substance. Resins vary widely in type, such as epoxy, polyester, vinyl ester, and more, each offering distinct properties like adhesion, flexibility, and temperature resistance. The selection of resin significantly influences the composite's final characteristics, including strength, durability, and chemical resistance.
Latest Resins Articles
VIEW ALL
Aerospace- and Defense-Grade Carbon Fiber Composites Are Engineered for High Rate
CAMX 2026: Teijin Carbon highlights rapid-cure prepregs, resin infusion systems and thermoplastic composites (TPC) built for high-rate aerospace and defense manufacturing.
Read More
Arrow McLaren, Greene Tweed Co-Engineer IndyCar Thermoplastic Composite Anti-Roll Bar Lever
Redesigned aluminum billet component reduces weight by 64 grams/car and provides gains for a high-speed, high-stress racecourse.
Read More
VIDEO: Braided TPC Tube System Takes on Cryogenic Fuel Lines
Ductility at cryogenic extremes, not to mention the ability to bend to the complexities required for aerospace, led herone to pursue thermoplastic composites for LH2 fuel lines — with promising results. The company speaks more on the subject in this CW article and Thermoforged video.
Watch
Hexcel HexPly M91 Earns NCAMP Qualification
Aerospace manufacturers now have access to industry-recognized material data that can help accelerate design, certification and program development.
Read More
Research Demonstrates Carbon Fiber/Epoxy Performance Enhancement Via Rigid-Flexible Interface
Novel interface design strategy combines lignin-based epoxy resin with nano-cerium oxide sol achieving efficient energy dissipation, stress transfer and other mechanical performance improvements.
Read More
3D-FiberTrain Project 3D Prints TPC Rail Components for Velaro MS High-Speed Train
SNAPSHOT: HÖRMANN Vehicle Engineering-led consortium developed a tool-free hybrid process combining large-format 3D printing and continuous fiber tape to produce a front apron and nose demonstrator on a Siemens Mobility’s train.
Read MoreLatest Vitrimers Articles
View more Vitrimers content
Vitrimer Chemistry Brings Reversability to Thermoset Resins
CAMX 2026: Techstorm’s patent-pending vitrimer resin platform is designed to recycle at temperatures as low as 80°C, targeting full recyclability for wind turbine blades.
Read More
HESTIA project advances thermoplastic composite fuselage tech for zero-emission aircraft
Fraunhofer IWS highlights work with CONTIjoin, vitrimers, drapeability and LSP while IVW demonstrates rCF-reinforced thermoplastic window frame using aligned discontinuous fibers.
Read More
PCCL, Isovolta win Styrian Innovation Prize for vitrimer-based prepregs
Austrian-based Polymer Competence Center Leoben and Isovolta win regional award for achieving economic and large-scale production of recyclable, vitrimer-based composites.
Read More
JEC 2026 highlights: AFP-RTM integration, new vitrimer prepreg, mapping AFP data, metal coated fiber in battery cases and more
CW executive editor Ginger Gardiner discusses some of this year’s notable exhibits and new developments in composites.
Watch
BLADE2CIRC project advances reversible polymers, bio-based fibers and enzymatic recycling
As project coordinator, Aitiip will lead the consortium to increasingly focus on validation and demonstration of more sustainable composites for the wind energy sector.
Read More
EOLIAN project reports successful infusion trials of vitrimer composite wind blade
Basalt fiber-reinforced laminate using promising bio-based vitrimer formulations that meet wind industry standards moves EU project on the path toward future industrial wind blade application.
Read MoreLatest Epoxies Articles
View more Epoxies content
ORNL 3D printing method with composites enables origami-inspired structures without a mold
The patent-pending hybrid method eliminates mold storage challenges, enables rapid deployment and facilitates production of flat-to-foldable structures integrating fiber reinforcement with 90% reduced cost.
Read More
Bambooder, Roode Boards extend bamboo fibers to kiteboard prototype progression
SNAPSHOT: Collaborative work partially replaces fiberglass in kiteboard construction, considering more sustainable, low-CO2 options.
Read More
TPRC study considers hybrid epoxy-LMPAEK composite co-cured joints
Research looks to co-curing approach as an alternative to directly connect thermoplastic and thermoset composite configurations without intermediates like rivets or adhesives.
Read More
Using pi joints to expand a composite wing’s flight envelope
DarkAero replaced butt joints in the center wing box assembly to increase the flight test envelope in high-speed gust load conditions for its DarkAero 1 prototype composite aircraft.
Watch
ROMAIN project validates robotic, prepreg patch repair for wind turbine blades
A developed prepreg-based patching system achieved an estimated 50% reduction in lamination and curing time compared to manual repair techniques, with field validation completed on operating turbines in Spain.
Read More
IMDEA Materials develops multifunctional Kevlar using laser photothermal conversion
A study demonstrates how laser-induced graphene can be created directly on the surface of Kevlar-based composites without affecting structural integrity, enabling integrated sensing, electromagnetic shielding and de-icing capabilities.
Read MoreLatest Thermoplastics Articles
View more Thermoplastics content
TPC Tapes, Laminates and Panels Achieve Weight Reduction With Design Flexibility
CAMX 2026: Metyx showcases its expanding thermoplastic composite portfolio, spanning continuous fiber tapes, cross-ply laminates and sandwich panels for transportation, aerospace and industrial applications.
Read More
ITHEC 2026 Conference Program Finalized, Registration Open
Registration is open for the International Conference and Exhibition on Thermoplastic Composites, featuring latest developments in welding, repair, recycling, new processes, applications and much more.
Read More
Avanco Highlights Thermoplastic Composite Type 4.5 Pressure Vessels
SNAPSHOT: Combining a plastic liner with thermoplastic composite (TPC) overwrap matches matrix polymers, enables additional benefits for storage applications.
Read More
Greene Tweed Cuts Lead Time 50% With Thermoplastic Composite Rapid Prototyping
New process balances features to reduce tooling complexity, compresses timelines via concurrent part and tooling design, completes mold fit-ups in 1-2 days and optimizes via faster, lower-cost evaluations.
Read More
Composite aerostructures suppliers pitch thermoplastics, automation for next narrowbody
As Airbus advances its NGSA program, suppliers including Aernnova, Daher, Latecoere, Montana Aerospace and Saab are developing manufacturing suited to rates beyond 100 aircraft per month.
Read More
Lamáquina uses robotic 3D printing to produce GFRP panels for Kuwait restaurant
The Barcelona-based service bureau printed 38 custom wall and ceiling panels using recycled PETG reinforced with 30% glass fiber, with some pieces exceeding 2 meters in length.
Read MoreLatest Hi-Temp Resins Articles
View more Hi-Temp Resins content
Fall events chart the course for composites
A busy fall brings industry-leading events and recognition for operations setting new benchmarks for excellence.
Read More
Registration opens for CW Tech Days: High-Temperature Composite Solutions
CW Tech Days: High-Temperature Composite Solutions for Defense and Space Applications will take place Oct. 16, 2025.
Read More
HTMS joins Mobilise accelerator program to advance its CMC materials
High Temperature Material Systems has developed low-temperature cure prepregs for ceramic matrix composite (CMC) parts offering lightweight and thermal/fire protection up to 1000°C.
Read More
Expanding high-temperature composites in India and the U.S.
Azista USA offers polymers and processes for carbon/carbon and other CMC, including novel hot-melt phenolic and phthalonitrile prepregs for faster cycle times, alternative solutions.
Read More
Call for abstracts: CW Tech Days to explore high-temperature composite solutions
The fall 2025 installment of CW’s Tech Days online event series will cover high-temperature composite solutions for defense and space applications.
Read More
Hexcel introduces mid-temp Flex-Core HRH-302 honeycomb core
Bismaleimide (BMI) option to serve complex curvatures and thermal management needs of military, commercial and UAM aircraft.
Read More
Latest Resins News And Updates
ACM CRC to Develop Mass-Producible, High-Temp Composite Sucker Rod Guide Design for Oil and Gas
A UQ and ACM CRC collaboration is engineering sucker rod guides that withstand extreme heat, cut labor by 50% and open new domestic and global markets for Oilfield Piping Systems.
Read More
Sirmax Group Celebrates 20 Years Since First International Thermoplastics Compounds Site Launch
Today, Sirmax’s Polish site employs 132 people, operates 16 production lines and has an installed capacity of around 85,000 tonnes per year for PP compounding and fiber-reinforced materials.
Read More
CompositesWorld Joins ITECH 2026 as Media Partner
CW is adding to the Bremen-based event’s comprehensive lineup of technical presentation, exhibitors and program tracks with a panel discussion on high-rate thermoplastic composites.
Read More
Carbon Fiber, TPC Technologies Target Multiple End Markets
CAMX 2026: Toray's U.S. divisions highlight Torayca carbon fiber, Cetex and CFRT thermoplastic prepregs, and new additions including the TC1810 high-temperature preceramic system and EcoTerra bio-based flax fabric.
Read More
SAMPE China Highlights 2026 Advanced Composites Product Innovation Award Winners
Thirteen winners and seven finalists across four award categories underpin key focuses in China’s commercial sector, including TPC, hydrogen storage, and aerospace and space applications.
Read More
Semi-Consolidated Towpreg Format Balances Flexibility, Bulk Reduction
CAMX 2026: Concordia Engineered Fibers’ semi-preg commingled thermoplastic towpreg sits between traditional commingled towpreg and fully consolidated prepreg for advanced TPC.
Read More
Featured Posts
80% Bio-Based Epoxy Moves Ski Manufacturing Toward Zero-Impact Goals
Sicomin’s GreenPoxy80 increases bio-based material by 60% over previous epoxies, developed for use in a ZAG touring ski that aims to push the use of sustainable materials to new levels.
Watch
Single Endless Roving Placement Saves Up to 70% CFRP Weight, Enables Closed-Loop Fiber Recovery
Holy Technologies’ robotic Infinite Fiber Placement deposits carbon fiber as one continuous, uncut tow using six-axis robotics and RTM, enabling significant lightweighting and full-length fiber recovery via mild acetic acid solvolysis.
Read More
VIDEO: KAI scales thermoplastic composites for next-gen aircraft
A snapshot video by ThermoForged and accompanying content published by CW platform details Korea Aerospace Industries’ TPC journey as a high-rate Tier 1 single-aisle, eVTOL airframe supplier.
Watch
VIDEO: Greene Tweed engineers a TPC engine guide vane
A snapshot video by ThermoForged and accompanying content published by CW platform highlights how these TPC engine guide vanes eliminate metallic coatings, withstand hail at 165 m/s and save 4 kg per engine with rapid molding cycles.
Watch
Snap-Cure Epoxy Prepreg Systems: Thermoset Performance at Thermoplastic Speeds
The autoclave has long defined thermoset composites processing — snap-cure epoxy prepreg systems are built around the premise that it doesn't have to.
Read More
LED technology improves the tensile strength of Z-axis interlayers in composite 3D printing by 30%
LEAM Technologies’ layer interface remelt technology enhances composite printed parts, sandwich structures and complex frameworks, offering improved design flexibility and structural integrity.
Read More
FAQ: Resins
What is a resin?
A solid or pseudo-solid organic material, generally of a high molecular weight. In fiber reinforced plastics, it is the resin that binds the fibers.
Source: Essentials of Advanced Composite Fabrication & Repair - Second Edition
What are the major groups of resins?
Thermoplastic and Thermoset resins.
What is a thermoplastic resin?
Polymers or copolymers that essentiall have no cross-links and can be melted or reshaped when heated to melt point or above the Tg.
Source: Essentials of Advanced Composite Fabrication & Repair - Second Edition
What is a thermoset resin?
A plastic that cures by the application of heat or by chemical reaction resulting in a cross-linked insoluble molecule; considered an irreversible process.
Source: Essentials of Advanced Composite Fabrication & Repair - Second Edition
