Introduction to Leather 丨 Basic knowledge of artificial leather and synthetic leather

Synthetic leather

Waterborne PU/Water-based PU

1. Dry method
2. Wet method: ① embossing method, ② release paper
3. Water-based PU uses water instead of organic solvents, and does not contain harmful chemicals such as DMF and DOP. The production process is pollution-free and environmentally friendly.

PU leather

1. Dry PU, generally produced by release paper method
2. Wet-type PU, ① graining by release paper method, ② embossing, vacuum suction to give texture

Half PU leather

1. Release paper method
2. Embossing

PVC leather

1. Release paper method
2. Calendering

Tongnai leather (solvent-free PU)

1. Release paper method
2. Embossing

1. T / C cloth
2. Arrow shaft cloth
3. Viscose cloth
4. twill fabric

Knitted cloth

1. Warp Knitting:

① imitation cotton velvet, ② warp knitted double / single-sided fleece, ③ warp knitted suede

2. Weft Knitting:

①Single / double-sided cloth, ②Single / double-sided cloth single-sided fleece, ③Double-sided cloth double-sided fleece, ④Weft knitted suede ⑤Underwear cloth (T / R)

3. Four-sided elastic (spandex）

Non-woven

1. Spunlace:
2. acupuncture

Water weaving

Chun Yafang, Taslan, peach skin, etc.