BLACK ABS PLASTIC SHEET 1/8″ X 24″ X 48″ VACUUM FORMING RC BODY HOBBY-
The proportions can vary from 15 to 35% acrylonitrile, 5 to 30% butadiene and 40 to 60% styrene. The result is a long chain of polybutadiene criss-crossed with shorter chains of poly(styrene-co-acrylonitrile).