Evolution of LD-SRIM: Recent Advances To Meet Market Demands

Paper #:
  • 982409

Published:
  • 1998-09-29
Citation:
Rothacker, A. and Cleveland, A., "Evolution of LD-SRIM: Recent Advances To Meet Market Demands," SAE Technical Paper 982409, 1998, https://doi.org/10.4271/982409.
Pages:
6
Abstract:
Structural Reaction Injection Molding (SRIM) is generally regarded as a thoroughly developed technology and is currently utilized in many automotive applications; most prominently door panels but also other applications, for example package trays and headliners. The traditional production process involves the placement of a glass fiber mat into a mold prior to injection of a suitable liquid resin system. Upon removal of the part, the glass mat is thoroughly encapsulated by the resin system forming a structural composite material. In the new Long Fiber Injection (LFI) process, the glass fibers are injected along with the resin mixture onto the production mold. This new process demonstrates a new approach to high productivity, low cost manufacture of LD-SRIM composites.
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