1.Wool Felt Seal: 2.material:100% polyester,wool 3.weight:50- ... 5.white,black,grey,white,gray,red,yellow Wool Felt Seal ::Specifications(1) density:0.09-0.44g/cm3 (2 ... processing - insulating paint coated copper Dust respirators - filters, dust Refrigeration machine - insulation, thermal insulation, exposed end to prevent Semiconductor, glass, ... Capital Territory A...Thickness: 0.5-40 Wool Felt Seal