Water absorption and desorption tester use for test the shoes upper raw materials,such as: leather, artificial leather, fabric, etc., cut the test piece, the test piece placed on a wet floor to do a certain pressure under repeated flexing action test, simulated walking, Shoes insole through the deflection process to measure the material resistance to penetration index, shoe insole and insole of the water Absorption.

Test standard:

ISO 20344 7.2 Determination of water absorption and desorption of insole and insock

Technical parameters:

Test chamber	Diameter of 120mm, 50mm wide roller placed on the test piece, with the help of compression force: 80 ± 5N spring or pneumatic system so that the test piece close to the drum, the roller along the horizontal line in both directions to 50mm amplitude for the level Scroll back and forth.
Roller movement frequency reciprocating	20 times / min
Reciprocating displacement	50 ± 1mm
Water flow rate	7.5 ± 2.5 ml / min
Timer	LED, accurate to 0.01s, 1 ~ 100 h
Counter	6-digit LCD display
The number of specimens	4 groups
Power supply	AC220V, 50Hz

Standard configuration:

Dies (optional): Compliant with dimensions of cut (110 ± 1) mm and width (40 ± 1) mm

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