Prepreg Testing Services for Composite Materials
PREPREG TESTING MEASURES RESIN IMPREGNATION LEVELS OF FIBER-REINFORCED COMPOSITES
IMR's Composite Materials Testing Lab provides measurement of composite prepreg levels. This data helps manufacturers and their suppliers make critical decisions about material properties, and how they will affect finished part quality.
Evaluating the resin impregnation level is important to processing of the prepreg/tape lay-up material and the finished composite part quality because of its effect on prepreg lay-down efficiency and air/volatile evacuation prior to and during the curing cycle. Partial impregnation is a common practice used to manufacture prepreg materials for the defense industry while full impregnation is used for automated tape materials.
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POLYMER CHARACTERIZATION SERVICES
Accelerated Aging (Heat, Fluids)
Brookfield Rotational Viscosity
Coefficient of Expansion
Coefficient of Friction
Compressive Properties (-240ºF to 660ºF)
Dynamic Mechanical Analysis (DMA)
Flammability (UL94, FMVSS 302, ISO 3795, SAE J369, ASTM D5132)
Flexural Properties (-240ºF to 660ºF)
Gloss (ASTM D523, D4039)
Heat Deflection by TMA (E2092)
Lap Shear Testing
Melt Flow Rate/Index