... heat conductivity ,high moisture resistanceand excellent fire-proofing property.The standard products are balck,with sheet,tube two types. Usage : ... equipment accesory,medicine ,tobacco field ,etc. sponged rubber sheet, rubber sponge sheet/board/ Pipe rubber foam, fireproofapply in HVAC system Specification: Main material ... free to let me know .CertificateRohs, SGS,ISO ,MSDS . Rubber Insulation tube