Fabric Downproof Tester from FYI

YG819A Downproof Tester is designed to test the downproof performance of more than 40cm length down jacket sample. A rotating box loaded with a sample and special-shaped silicone rubber balls, rotates in specified speed to simulate the press, rub and collision actions in usage of the tested sample. The overall downproof performance of garment can be assessed by calculating the number of down, feather or fiber that escaped from the sample.