... ,used as dustproof,quakeproof,seal,sound insulation,heat insulation,blotter felt pad1, Specification:according to customer's design2, Use:It is ... in processing each kind of felt seal gasket,felt seal circle,feltseal bar,felt block and each kind of felt fitting.3, Material:100 ... or 85% wool+15% chemical fiber company name:Nangong xingchen felt Co.Ltdaddress:No.6 Yudai street Nangong city,Hebei,Chinazip ...