1.Wool Felt Bar: 2.material:100% polyester,wool 3.weight:50-1000gsm ... .Yellow,black,grey,white,orange,green Pure White Wool Felt Bar :Specifications(1) density:0.09-0.44g/cm3 (2 ... motor series - vibration, oil lubrication, abrasion Fine wire processing - insulating paint coated copper Dust respirators - filters, dust Refrigeration machine - insulation ... 47-83Slag inclusion content%≤0.3 Wool Felt Bar