DW5075 Feather and down filling power tester.Place the specific weight feather and down into a cylinder which has graduation. Then put an aluminum plate on the feather and down, 1 minute later record the height of the feather and down.
DW5075 Feather and down filling power tester.Place the specific weight feather and down into a cylinder which has graduation. Then put an aluminum plate on the feather and down, 1 minute later record the height of the feather and down.
Note: this feather and down filling power tester can conform to but not limit to the standards above, for more standards conformance, please contact us.