| abstract |
1517195 Floor tile moulding compositions GAF CORP 19 Sept 1975 [31 Dec 1974] 38568/75 Heading C3V An asbestos-free moulding composition comprises a resin, an organic fibrous filler, and a particulate filler of particle size #20 Á which acts to disperse the fibrous filler throughout the resin. Typical formulations consist of vinyl chloride polymer optionally containing such other polymers as nitrile rubber and poly-alphamethyl styrene, polyester fibres and calcium carbonate together with conventional plasticizers, stabilizers, &c. |