亚洲AV无码专区国产|日本不卡一级片一区视频|亚洲日韩视频欧美|五月天色网站av|在线视频永久免费|五级黄色视频免费观看性|女人看黄色视频的链接|黄网络在线看三级图片|特级一级少妇亚洲有码在线|日本无码高清免费

Home >

How To Distinguish Genuine Leather From Fake Leather

2007/11/30 14:00:00 42334
???     Fran?ais  English  中文

1. Finger method; press the skin with your fingers, and the surface will have tiny wrinkles.

When the fingers are lifted, the wrinkles disappear immediately.

Artificial leather and synthetic leather have no wrinkles.


2, use the water method; dripping a little water on the leather, then dry the water stains, and touch the feeling of sticky wet hands, it is the real leather.


3, the perception method; the front side of the leather, carefully observe with the eyes, the real leather has pores, and the artificial leather has no pores.

Look at the reverse side of the leather. Look for the part that is not broken. If it is a base cloth, it must be synthetic leather or synthetic leather.

  • Related reading

The Difference Between Cow Leather, Pig Leather, Horse Leather And Sheep Leather

Leather knowledge
|
2007/11/30 13:58:00
41928

Leather Quality Identification Knowledge

Leather knowledge
|
2007/11/30 13:55:00
42251
Read the next article

Shoemaking Process

1. Raw and auxiliary materials warehouse management 1, daily raw and auxiliary materials into and out of the warehouse must do well the material ledger and stock account, and manage with the microcomputer. 2, feed and deliver materials must be managed by special personnel, so as to avoid making mistakes; 3. When feeding, there must be a quality inspector to check the quality and whether the color is correct. Two, cutting workshop management 1, the material must be assigned by the special person,