... (Material: SBR, NR) 2. Acid-resisting and Alkali-resisting Rubber Sheet (Neoprene) 3.Oil-resisting ... InforProductCurve leather-veined round Series Rubber sheetMaterialBoth natural and synthetic rubberModel NO.C5PT13OriginChina(mainland)Brand ShuangjieColor6SizeSize 500 ... , sports gym, workshop, science building, school and more.PerfermanceInnocuitive,anti-radiation,noise-absorbing,anti-slide,heavy ...