TESTING OF LEATHER SAMPLES
ฝัง
- เผยแพร่เมื่อ 15 พ.ค. 2021
- After completion of production, the physical properties of the leather are tested and evaluated using an abrasion test and a bending test, which are basic tests that must be performed to determine whether the leather produced meets all the requirements set by European standards.
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Physical testings and chemical testing ki vdo banao