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Tooling Prepreg Charts

Our low-temperature cure epoxy tooling prepregs have become benchmark products across the workshops of motorsport and aerospace alike.

These products have a reputation for reliability, excellent surface finish, ease of handling and longevity of tool life. With up to 200°C (392°F) end-use temperatures, tools can be produced using a range of materials and methods.

HX Series Tooling Prepreg

Overview

Prepreg Applications Tg (DMTA) following
190°C (374ºF) post-cure
Min Cure Temp Outlife Benefits Datasheet
HX42 Large aerospace tooling Onset: 200°C (392°F)
Peak Tan δ: 220°C (428ºF)
50°C
(122°F)
5 days Longest out life, best surface finish at high temperature
HX50 Fast curing automotive tooling Onset: 190°C (374°F)
Peak Tan δ: 220°C (428ºF)
40°C
(104°F)
2-3 days Excellent surface finish
HX70 Very fast curing automotive tooling Onset: 190°C (374°F)
Peak Tan δ: 215°C (419ºF)
30°C
(86°F)
30 hrs Shorter autoclave curing time and very low curing temp
HX90N High precision aerospace tooling Onset: 193°C (379°F)
Peak Tan δ: 214°C (417ºF)
40°C
(104°F)
2 days Lower CTE

*Tg (DMTA) following 190°C (374°F) post-cure

Specifications

Fiber Type Weight (gsm) Weave Style Molded Thickness (mm) Std. Resin content w/o HX42 HX50 HX70 HX90N Package Sizes
Carbon High Strength 205 2/2 Twill 0.23 46 (surface ply) X X Cut in squares X 1m x 25m
Carbon High Strength 650 2/2 Twill 0.59 35 X X Cut in squares X 1m x 20m
Carbon High Strength 300 UD n/a 40
(corner intensifier)
        0.3m x 0.625m sheets
E-Glass 300 8-H Satin .26 38 X X     1m x 25m
E-Glass 850 8-H Satin .60 28 X X     1m x 20m