【product description】 It is used to test the water absorption performance of various woven towel products using textile fibers as raw materials. 【working principle】 Absorption method: After the sample is washed, dried and adjusted for humidity, a certain amount of water flows through the sample within a specified time under standard conditions, and the percentage of the amount of water absorbed by the sample to the amount of raw water is determined. 【Related standards】 GB/T22799-2009 "Test Method for Water Absorption of Towel Products" ASTM/D4772 Standard Test Method for Surface Water Absorption of Towel Fabric (Water Flow Test Method)