SHD Prepreg composite material
Bio-Content prepreg

LTB300

30% bio-based Epoxy Carbon/Glass Tooling
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Key Features & Benefits

Key Feature Fast curing bio-based tooling
Application Commercial low temp epoxy tooling with 30% bio content
Initial Cure Temp 45°C- 60°C
Initial Cure Time 12 Hours- 6 Hours
Post Cure Option yes
Outlife 2 days at 20°C
TG Onset* 181°C -DMA
TG Peak* 205°C -DMA
Toughened No
Cure Autoclave
Availability Uk/eu

LTB300 is an epoxy resin tooling system with 30% bio content derived from a renewable source and is designed for faster cure at low temperatures whilst giving the potential for high temperature tooling. It can be supplied on a variety of fabrics to meet your cost and manufacturing requirements.

Why choose this material

LTB300 offers a 30% bio-based solution alongside a faster cure at lower temperatures, helping you meet your sustainability and production targets.

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) Tooling Prepregs Jet plane Natural Fibre Composites SHD support a number of markets, including Marine, Sport and Leisure, Defence, Industrial and Rail.

Recommended markets

Motorsport Automotive Aerospace Tooling Defence 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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Tooling

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

SHD Composites is actively working on many defence programs with customers around the world
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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 1.0°C (2.0°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

What is a more sustainable prepreg for composite tooling?

LTB300 contains 30% bio-derived content from a renewable source. It offers a lower-impact option for composite tooling without giving up the high-temperature performance needed for many demanding manufacturing applications. 

02

Can bio-based prepregs be used for high-temperature tooling?

Yes. LTB300 is designed for low-temperature curing but can withstand service temperatures up to around 180°C (356°F) after post-curing, making it suitable for tooling that will later be exposed to much higher temperatures. 

03

What prepreg is suitable for low-temperature tooling?

LTB300 can cure from 45°C (113°F), making it useful where tooling needs to be produced at relatively low temperatures. This can help reduce energy use and make production easier.

04

Can sustainable tooling prepreg be supplied with carbon or glass fibre?

Yes. LTB300 is available with carbon and glass fibre reinforcements, with other options available on request. This gives manufacturers flexibility to balance performance, cost and production needs. 

05

How can I reduce the environmental impact of composite tooling?

Choosing materials with bio-based content and lower curing temperatures can help. LTB300 combines 30% bio-based content with a lower-temperature cure, helping reduce reliance on fossil-based materials while supporting more energy-efficient tooling production. 

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