SHEET STOCK, ACETAL COPOLYMER, GRADE STANDARD, PLASTIC LENGTH 12 IN, PLASTIC WIDTH 12 IN, PLASTIC THICKNESS 1 IN, BLACK, PLASTIC CLARITY OPAQUE, TENSILE STRENGTH 9,500 PSI, IMPACT STRENGTH 1.0 FT-LB/IN, FRICTION COEFFICIENT 0.25, WATER ABSORPTION 0.2 PERCENT, TEMPERATURE RANGE 32 DEGREES TO 180 DEGREES F, PLASTIC HARDNESS ROCKWELL M88