Prepregs

Large variety of composite prepregs ◾ The go-to material for aerospace, medical and other demanding applications ◾ In stock & available in small quantities for prototyping, Makers and DIYers
Rock West Composites stocks more than 20 styles of prepregs including our line of PROPreg™ proprietary composite prepreg materials. Regardless of the application or budget, you’ re bound to find an ideal combination of materials for your project. Perhaps it’s a NASA-approved resin system offering low outgassing properties coupled with toughening additives. Or maybe you’ re looking for naturally-grown, flax fibers coupled with a biologically-based epoxy resin system. Even if you’ re an engineering department in an academic setting that requires high-quality materials for a lower price, Rock West’s ProPreg is an ideal solution. Additionally, we offer decades of processing expertise and know-how, should you need some additional advice and assistance when it comes to prepreg processing or prepreg applications.
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High-Mod Made in the USAPrepreg - Carbon Fiber (Grafil HR40) Epoxy (Newport 321) - 39.37" Wide x 0.0034" Thick - High Modulus - Unidirectional (134 gsm OAW)SKU: 14008-D-GROUPStarting at $28.99SKU: 14008-D-GROUP
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Made in the USA
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Prepreg - Fiberglass Woven (120 Glass) Epoxy (Newport 301) - 38" Wide x 0.005" Thick - 40% Resin Content w/out pigment (185 gsm OAW)SKU: 14015-D-GROUPStarting at $27.99SKU: 14015-D-GROUP
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Made in the USAPrepreg - Carbon Fiber (Hexcel AS4) Epoxy (Newport 301) - 50" Wide x 0.01" Thick - Standard Modulus - 3k Plain Weave (356 gsm OAW)SKU: 14031-D-GROUPStarting at $27.99SKU: 14031-D-GROUP
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Best Value!Prepreg - Carbon Fiber + 250F Epoxy - 50" Wide x 0.011" Thick - Standard Modulus - 3k 2x2 Twill Weave - (366 gsm OAW)SKU: 14033-D-GROUPStarting at $27.99SKU: 14033-D-GROUP
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Best Value!Prepreg - Carbon Fiber (Toray T700S) + 250F Epoxy - 39" Wide x 0.01" Thick - 12k Spread Tow Plain WeaveSKU: 14049-D-GROUPStarting at $27.99SKU: 14049-D-GROUP
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1K Plain Weave
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Natural flax FiberPrepreg - EKOA Natural Flax Fiber - Unidirectional (3.2oz/yd^2 110 gsm OAW) - 250F Resin - ~98 lydsSKU: 14065-D-FULLROLL$2,825.99SKU: 14065-D-FULLROLL
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Best Value!Prepreg - Carbon Fiber (Toray T300) + 250F Resin System - 39.5" Wide x 0.011" Thick - Standard Modulus 3k - Plain Weave - (366 gsm OAW)SKU: 14073-D-GROUPStarting at $27.99SKU: 14073-D-GROUP
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High Modulus M40J Fiber --- Best Value!
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Made in the USA
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Film Adhesive - Supported General Purpose (Bondex Film Adhesive) - 0.006" Thick - 40" (1M) Wide - 137 Gsm OAW - 250F AdhesiveSKU: 14081-D-GROUPStarting at $27.99SKU: 14081-D-GROUP
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Best Value!Prepreg - Fiberglass Woven (7781 E-Glass) - 39.37" Wide x 36" Long x 0.010" Thick - 32% Resin Content w/Black pigment (461 gsm OAW) - 250F ResinSKU: 14086-D-GROUPStarting at $27.99SKU: 14086-D-GROUP
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Ships FrozenSample Pack - Pre Preg - Select From All Available Prepregs - Ships FrozenSKU: SAMPLES-PREPREG$14.99SKU: SAMPLES-PREPREG