Quotes (0) All Categories > Washer Material Specifications > HIPS Washers > Advanced Search Advanced Search in HIPS Washers Unit of Measure Imperial Metric Both Specifications Material HIPS Outside Diameter (in) At Least : No More Than : Available Range: 0.092 to 4.353 Inside Diameter (in) At Least : No More Than : Available Range: 0.027 to 3.277 Thickness (in) At Least : No More Than : Available Range: 0.02 to 0.04 Description Our standard washers are made from white opaque High Impact Polystyrene (HIPS) HIPS FDA 21 CFR177.1640 UL 94 HB Clear Cancel Advanced Search