SHD Prepreg composite material
Epoxy prepreg

MTC475

Med Temp Cure, High Service Cosmetic
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Key Features & Benefits

Key Feature High service temperature with good visual finish
Application Higher service temp system with good visual finish
Initial Cure Temp 80°C- 120°C
Initial Cure Time 16 Hours- 1 Hours
Post Cure Option Yes
Outlife 30 days at 20°C
TG Onset* 190°C -DMA
TG Peak* 206°C -DMA
Toughened Yes
Cure Autoclave
Availability All sites

MTC475 is an epoxy resin system designed to combine excellent clarity and elevated service temperature. It cures from 80°C (176°F) to 120°C (248°F), allowing flexibility in component manufacture. It can be supplied on a variety of fabrics to meet your cost and manufacturing requirements.

Why choose this material

If you're manufacturing visual carbon parts in elevated temperatures then MTC475 is the ideal choice as it has been specifically engineered for visual components being made in high temperature environments.

Supplied with SHD's renowned service, including:

  • Short two-week lead times and low MOQs

  • Exceptional product quality

  • First class technical support

  • Excellent customer service

  • The same manufacturing equipment and processes across all sites

Advanced composite solution for Motorsport Advanced composite solutions for a car Advanced composite solutions for aerospace (passenger plane seating) Jet plane Tooling Prepregs Natural Fibre Composites SHD support a number of markets, including Marine, Sport and Leisure, Defence, Industrial and Rail.

Recommended markets

Motorsport Automotive Aerospace Defence Tooling Sustainability Other Sectors

Motorsport

SHD Composites is the advanced prepreg partner behind winning race teams
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Automotive

World-class performance with unmatched premium aesthetics for prestigious supercar and hypercar brands
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Aerospace

Advanced composites specified across major commercial aircraft today
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Defence

SHD Composites is actively working on many defence programs with customers around the world
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Tooling

A tool for every geometry, a material for every tool
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Sustainability

Our enhanced sustainability product range has applications in all our key sectors including Aerospace, Automotive, Motorsport, Marine and Sport & Leisure.
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Other Sectors

Our products can be applied to a variety of markets, and this range of applications will always remain important for SHD.
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Technical Guidance Information

01

Storage and Out Life

This material should be kept frozen at -18°C (0°F). It must be kept sealed in a polythene bag which must not be opened until fully thawed to room temperature. If the material is not fully used, then the material must be resealed in the polythene bag to prevent moisture absorption.

02

Health and Safety

This material contains epoxy resin which can cause allergic reactions with skin contact and must avoid repeated and prolonged skin contact.

Please refer to the product Safety Data Sheet before using this material. The following precautions must be taken when using epoxy resin prepregs:

  • Overalls must be worn

  • Impervious gloves must be worn

  • Curing schedule is meant to be as a guide only and is subject to local conditions

  • To avoid exotherm, particular care must be taken with thick laminates

  • Ramp rates must not exceed 3.0°C (5.4°F)/min during initial cure and 0.3°C (0.5°F)/min during post cure

Contact us

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Frequently Asked Questions

01

Is this a suitable prepreg for visible carbon fibre parts exposed to heat?

MTC475 is designed for visual carbon parts used at higher temperatures. It combines excellent resin clarity with elevated heat resistance, helping visible components keep both their appearance and performance in demanding environments. 

02

Can cosmetic carbon fibre prepreg handle high temperatures?

Yes. MTC475 is specifically designed for visual composite parts that also need higher temperature performance, making it suitable for applications where standard cosmetic prepregs may not offer enough heat resistance. 

03

What prepreg is suitable for carbon fibre parts near exhaust systems?

MTC475 can be used for composite parts exposed to high heat. It has been used on RNLI lifeboats for structural components around exhaust systems operating at temperatures of around 180°C (356°F). 

04

Can high-temperature prepreg still give a clear carbon fibre finish?

Yes. MTC475 is designed to combine excellent optical clarity with higher temperature capability. This makes it a strong choice for visible carbon fibre parts where both appearance and heat resistance are important. 

05

What industries is MTC475 suitable for?

MTC475 is suited to high-temperature visual composite parts across markets such as automotive, motorsport, aerospace and marine. It is especially useful where a premium carbon fibre appearance needs to be maintained in hotter operating conditions. 

Accreditations

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