Hexcel HexPly 8552 / IM7 Toughened Autoclave Epoxy Prepreg

Hexcel HexPly 8552 / IM7 Toughened Autoclave Epoxy Prepreg by Hexcel Corporation (SKU: HXL-8552-IM7) provides an ASTM D638 Tensile Strength of 2720 MPa (394,503 psi), ASTM D648 Heat Deflection Temperature (HDT) of ambient cure rating, ASTM D790 Flexural Strength of 1790 MPa, and Brookfield viscosity of solid reinforcement/core state.

Required companion cure and process materials for Hexcel HexPly 8552 / IM7 Toughened Autoclave Epoxy Prepreg include: Low-Viscosity Infusion Epoxy (Gurit Prime 37 / Hexion RIMR 135 / Araldite LY 1564), Stoichiometric Amine Hardener, Nylon Peel Ply & High-Temp Vacuum Film. Category Engineering Rule: SIZE COMPATIBILITY: Use Epoxy-compatible silane sizing with Structural Epoxy Resins (approx. 55:45 fiber-to-resin weight ratio in vacuum infusion). ITAR/EAR export screening applies.

Approved cross-referenced drop-in equivalents for Hexcel HexPly 8552 / IM7 Toughened Autoclave Epoxy Prepreg in the North American ASTM index include Hexcel HexForce 282, Toray Torayca T700S. Direct head-to-head engineering comparisons are available against HexForce® 282 3K Plain Weave Carbon, Toray Torayca T700S 12K Unidirectional Carbon Fabric, Solvay Cycom 977-2 Toughened Aerospace Carbon Epoxy Prepreg.

Hexcel HexPly 8552 / IM7 Toughened Autoclave Epoxy Prepreg is classified under US DOT 49 CFR and Transport Canada TDG as Non-Regulated Industrial Fiber (UN Number: N/A). It ships from regional US hubs in Tacoma, WA, Stamford, CT, Anderson, SC with a typical lead time of 1-3 Days. When ordered with Class 5.2 Organic Peroxides (MEKP UN3105), 49 CFR § 177.848 hazmat segregation applies.

Hexcel HexPly 8552 / IM7 Toughened Autoclave Epoxy Prepreg is qualified for Vacuum Assisted Resin Transfer (VARTM), Autoclave Prepreg Cure, Wet Layup + Vacuum Bag. Primary industrial applications include FAA Part 23 Airframes, America's Cup Hydrofoils, Carbon Drive Shafts.