Plastic Ball 0.5 in Dia Acetal PK50

Plastic Ball Stock Acetal Copolymer Plastic Diameter 1/2 in Tensile Strength 9 100 psi Impact Strength 1.1 ft-lb/in Plastic Diameter Tolerance +/-0.002 in Plastic Hardness Rockwell M90 White Weight 0.2 lb Grade Standard Friction Coefficient 0.35 Plastic Clarity Opaque 0.051 lb/cu in Tensile Strength Rating Good Water Absorption 0.22 Percent Standards UL 94 HB Minimum Temperature -50 Degrees F Maximum Temperature 180 Degrees F Package Quantity 50