欧美黄色大片在线|波多野结衣一区二区三区高清av|欧美日本国产综合|亚洲v区二区精彩|91成人免费碰碰看|91超碰资源总站|老司机午夜在线免费|一级 a一级 a 免费观看高潮|久久婷婷五月丁香|性福成人亚洲视频

 
  • 松香
  • 松香

    • 0.00
      0.00
商品描述

Main Specifications:

Items

X Grade

WW Grade

Color

Yellowish

Pale Yellow

Correspond to the Standard

Glass Color of Rosin

Appearance

Transparent Solid

Softening Point (R&B)

76

76

Acid Valuemg KOH/g

166

166

Unsaponifiable Matter %

5

5

Ethanol Insoluble Substance %

0.03

0.03

Ash %

0.02

0.02

 

Package: In galvanized iron drums of 225kgs net each.

 

Uses: Mainly made fromvarious kinds of resin acids, gum rosin is an important raw material for soap,papermaking, coating, rubber, resin, electrical appliances and organicsynthesis industries, etc.