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polyols chemical ,PS-3152
polyols chemical ,PS-3152

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It exhibits excellent hydrolysis resistance,very good thermal stability and primary hydroxyl advantage

Features

PS3152 is a diethylene glycol-phthalic anhydride-based polyester polyol.It exhibits excellent hydrolysis resistance,very good thermal stability and primary hydroxyl advantage .It may promote adhesion to a variety of metal and plastic substrates.low viscosity and high aromatic content.

Specifications

Item

Specifications

Appearance

translucent liquid

density,g/cm3

1.24

hydroxyl value,mg KOH/g

300~330

Acid value,mgKOH/g

2.0-3.0

water,%

0.15max

viscosity ,mPa.s,25°C

2000-3000

Molecular weight

348

 

Applications

Rigid polyisocyanurate foams and polyurethane foams ,including low-density pour and spray,high density and packing.

Packing and storage specifications

200kg/barrel,200-liter iron drum

Products should be stored in airtight containers to prevent absorption of water vapor.  Do not belong to undangerous materials.

It has a shelf life of 12 months in tightly sealed containers.

 

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