... NR, SBR Silicone, Neoprene etc Silicone Rubber Breathing Mask Material NBR, NR, EPDM, FKM, SBR, Silicone, ... RVs, boats, pumps, furniture and more. Characteristics: High temperature, ozone, oil, grease resistance Specification 1. Standard and ... . Color Black, Transparent, custom colors available Material Temperature Range: -150F to 550F, depending on material. ... for workers Silicone Rubber Breathing Mask