... ,black,grey,white,gray,red Pure White Wool Felt Strip :Specifications(1) density:0.09-0.44g/cm3 ... series - vibration, oil lubrication, abrasion Fine wire processing - insulating paint coated copper Dust respirators - filters, dust Refrigeration machine - ... insulation, thermal insulation, exposed end to prevent Semiconductor, glass, metal - grindingUsed in car Engine department - off heat, ...