Hydrophilic Polyurethane Prepolymer

Short Description:

Hydrophilic polyurethane prepolymer

CST is a TDI based hydrophilic polyurethane prepolymer, which can be used to manufacture hydrophilic foam, such as cosmetic foam bath sponge and WanSponge for kitchen, CST can react with liquid formulations containing surfactant fillers according to application requirements.

product feature

1.high grade of transparency 

2.White material can be aqueous solution

3.Elastic texture control

4.High reaction speed and low temperature rise during 

5.Can foam with high load white material

physical properties 

	Value	Units
Appearance	Colorless to light amber transparent liquid
NCO content	5.8-6.5	%
viscosity(25℃）	7000-13000	mPa·s
Density (25 C)	1.18–1.22	g/cm3
TDI retention rate	≤3.0	wt%

Storage:

The shelf life of this product is six months from the date of production. After the shelf life, it is recommended to evaluate the performance before use.