FORD WSS-M4D857-A3

Description / Abstract: FORD WSS-M4D857-A3, 2001 Edition, April 27, 2001 - STYRENE MALEIC ANHYDRIDE COPOLYMER (SMA), RUBBER MODIFIED, 16% GLASS FIBER REINFORCED MOLDING COMPOUND

1. SCOPE

The material defined by this specification is a rubber modified styrene maleic anhydride copolymer (SMA), reinforced with 16 % glass fiber blended with 0-10% acrylic regrind, 0-20% manufactured regrind or reclaim and 0-2% by weight acid scavenger (CaCO 3). See paragraph 5.4 for definitions of reclaim and regrind. The glass fibers are coated with a non-PVA (polyvinyl acetate) binding agent which can withstand mold temperatures of 315 °C, without producing mold corroding by-products. The final material blend (containing 20 % reclaimed SMA) shall not exceed 0.12 wt % PVC/ABS skin (thermoformed) and 0.1 % polyurethane foam.