AV小四郎收藏家,成人毛片100免费观看,久久久久免费毛A片免费一瓶梅,老太太BGMBGMBGM大

中文版
Welcome to Hubei Microbial Control Biological Technology Co., Ltd

Products

Products

ViewSonic tanning PN

Features:
This product is a new generation of leather tanning agent which is modified on the basis of glutaraldehyde tanning agent. It overcomes the pungent smell of modified glutaraldehyde on the market and the shortcoming of containing a large amount of free formaldehyde. And other active substances were added. As the macromolecular structure to make more than the point of integration, the reaction after the formation of ring-shaped body molecules, and in addition to aldehydes other than the active group, so soft leather, easy oxidation, storage, leather surface meticulous, extensibility Good, with excellent role in dyeing and leveling, into leather wash, sweat and Naisuan Jian, and has a certain role in the filling.

The main performance indicators:
Appearance transparent colorless or pale yellow liquid
Effective content (w / w)> 45%
PH value @ 25 ℃ 6--8
Solubility in water @ 20 ° C Miscible
Specific gravity @ 20 ° C 1.110-1.118 g / ml

Use:
This product is mainly used for leather tanning, chrome tanning leather for pre-tanning, retanning or combination of tanning, but also for fur tanning. It can be used in acidic, neutral or alkaline conditions in an amount of 2 to 5% by weight of shaved leather, and has a pH in the range of 4-5 or 7-8, preferably 7.0. Tanning temperature of 10-40 ℃, the best temperature of 30-35 ℃, liquid ratio between 1-10, the best range of 1-2.5, the turning time of not less than 0.5 hours.
Retanning as an example reference process (to shave leather weight)

Packing: 25KG; 125KG; 200KG plastic drums.



Home

Home

About us

About us

Products

Products

Contact us

Contact us

方城县| 务川| 文登市| 宜宾县| 尉氏县| 临漳县| 哈尔滨市| 汶上县| 察哈| 化州市| 深水埗区| 苍梧县| 卢龙县| 理塘县| 龙海市| 类乌齐县| 邯郸县| 盐城市| 桑植县| 清原| 社会| 庄河市| 安吉县| 辉南县| 武宁县| 方正县| 泊头市| 宣汉县| 怀远县| 凉山| 乐至县| 濉溪县| 泽普县| 松溪县| 巧家县| 金山区| 伊通| 大同市| 抚顺县| 侯马市| 铁力市|