Polyoxyethylene Sorbitan Fatty Acid Ester

Tween series

Composition: polyoxyethylene sorbitan fatty acid ester

Type: non-ionic O

Structure formula: H (O CH₂CH₂)_yO CH₂ –OOCR

O（CH₂CH₂O）_zH ( X+Y+Z=20 )

O (CH₂CH₂O)_xH R:(C₁₂;C₁₆;C₁₈)

Item product	appearance（25℃）	Acid value （mgKOH/g）	Hydroxy value（mgKOH/g）	saponification（mgKOH/g）	Water （%）
T -20	light yellow to yellow viscous liquid	≤2.0	96.0-108.0	40.0-50.0	≤1.5
T -40	light yellow to yellow viscous liquid	≤2.0	85.0-100.0	40.0-55.0
T -60	Yellow viscous substance	≤2.0	80.0-105.0	40.0-55.0	≤3.0
T -80	Brown yellow viscous liquid	≤2.1	65.0-82.0	43.0-55.0	≤3.0

Performance and application: they dissolves in water and such organic solvents as methanol, alcohol, isopropanol, glycol etc., no solubility in mineral oil, being a excellent o/w emulsifier. T-20 is widely used as solubilizer, permeate agent and dispersant in medical, cosmetics and food industry. T-60 is widely used as component of polyacrylonitrile fiber finish oil and soften agent for fiber producing, and emulsifier in coat and plastic industries. T-80 is used as emulsifier, wetting agent and diffusant etc., and as blowing promoter in polyurethane foam industry with particular effectiveness.

Packing: 200Kg plastic drum or galvanized iron drum

Storage and transportation: storage and transportation of the non-toxic and non-danger, store in a cool, dry and airing area for one year.

Zhejiang Huangma Chemical Industry Group Co.,Ltd.

Tween series

appearance（25℃）