wool felt seal,felt gasket, 1)material is 100% wool felt, 2)DEnsity:0.2-0.4/cm3 3)thickness is 1-50mm 4)High temperature res wool felt seal,felt gasket,oil felt seal,1)material is 100% wool felt,2)Density is 0.2-0.4/cm33)thickness is 1-50mm4)High temperture resistant is 300