Rubber Part Guides
Notes for engineers and buyers specifying molded rubber and silicone parts.
Rubber materials comparedSilicone vs rubber compared: temperature range, oil and weather resistance, cost and typical uses of silicone (VMQ), EPDM, NBR, FKM, neoprene and natural rubber — with a quick selection table.Durometer chartRubber durometer chart with Shore 00, Shore A and Shore D scales explained, typical hardness of common rubber parts, measurement standards and how to specify hardness tolerance.