成人女人天堂午夜视频|亚洲精品高清一线久久|精品午夜福利无人区乱码|免费a级毛片无码久久版|Av免费不卡国产观看精品|欧美在线一区二区三区精品|潮喷大喷水系列无码久久精品|日韩人妻无码TV一区二区三区

0086-411-39552835/39552836 CN | EN

Gum Rosin

CAS NO.:8050-09-7

MSDS
Molecular Formula:C19H29COOH
Grade Of Dangerous Goods:
Packing Category:
Molecular Weight:
UN Coding:

Specifications:

Level: WW
Appearance: transparent
Color: light yellow
Softening point (globe method, ℃): ≥ 76.0
Acid value (mgKOH / g): ≥ 166.0
Unsaponifiable matter content (%): ≤ 5.0
Ethanol insoluble (%): ≤ 0.030 ash (%): ≤ 0.020

Application:

Rosin is a kind of natural resin, which is mainly composed of various resin acids. It is easily soluble in various solvents and has unique chemical activity. It is an important raw material for papermaking, coating, ink, rubber, soap, electronics, edible ester gum, rosin ester resin and other industries.
Packing: net weight 225 kg / barrel

Other instructions: