Composite Tooling Materials and Support from Toray

The Toray AmberTool® series of tooling prepregs have become the trusted benchmark products across the composites industry for over 20 years. They have an excellent reputation for reliability and deliver a cosmetic surface finish. 

Alongside our composite materials, we offer training, design, and technical support to support you with your next tooling project.


Toray AmberTool® Tooling Selector Guide

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Toray AmberTool® Tooling Prepreg Processing Guide

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Guide to Composites

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Frequently Asked Questions

Composite tooling

Toray has a Toray AmberTool Processing Guide available on our website in the Resources section, under Processing Guides. Plus we have tooling experts on staff to answer any questions you may have. 

Tooling prepregs are typically chosen by first considering the Tg of the tool to ensure it is capable of withstanding the typical cure temperature of the part. Ideally, one would like to see the Tg of the tool to be at least 10°C / 50°F higher than the cure of the part.

Second, a critical factor to consider is the processing temperature of the tooling board master.  Since foam masters are typically low Tg, it is critical that during the intial cure of the tooling prepreg master that it say dimensionally stable. If the tooling foam master has a Tg of 150°F, then one would not want to exceed this during the cure of the tooling prepreg.  Also remember that tooling prepregs must undergo a final free standing high temperature post cure to be able to withstand multiple part cure cycles and maintain long term durability. 

Lastly, outime is a final consideration depending upon the size of the tool and the time it will take to lay up the tool. 

Yes, tools as large as 130 foot long by 10 foot wide have been fabricated with Toray's HX series of tooling materials.   Tools may be net molded or machine molded to final part dimensions. In net molding, a foam master is prepared to the exact part shape. From this master, the final tool is developed.  In higher temperature or very large tools, the final tool may represent an oversized part shape and it is then machined to the exact size. This is commonly done for high temperature tools where the final cure temperature may create CTE distortions or in very large tools where final dimensional accuracy is required.   Typically Toray's HX series is net molded, while Toray's AmberTool TC40 BMI is machine molded to its final shape. 

It may be possible to cure and consolidate Toray's HX series of prepregs with only vacuum only pressures, but it is not recommended.  The reason is that the final tool will see multiple cycles during its operation, and if there is porosity in the tool, it will eventually leak. Once that occurs, the tool can not be fixed.  For that reason, we recommend using autoclave pressures to achieve good laminate consolidation.  The post cure may be freestanding and done in an oven to achieve the final Tg.  The final post cure temperature should be at least 50°F degrees higher than than the final part temperature. 

Typically a low temperature, low cost tooling board master is utilized. When this method is used, to maintain dimensional accuracy it is important to minimize thermal expansion. As such, Toray AmberTool tooling prepregs are cured initially at a low temperature on the master, then they undergo a free standing postcure to reach their ultimate Tg.

Need more information?

Please get in touch with our tooling experts to learn more about how Toray can help you with your next tooling project.

Toray Advanced Composites UK

Toray Advanced Composites UK
Send email+44 1773 530899

Need more information?

Please get in touch with our tooling experts to learn more about how Toray can help you with your next tooling project.

Toray Advanced Composites USA

Toray Advanced Composites USA
Send email+1 (408) 465 8500

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