Name: Polyester Polyol PE-2095
Brand: Coatingsink
SKU: polyester-polyol-pe2095
Availability: InStock

Question 1

Why is polyester polyol preferred over polyether polyol in certain PU coating applications?

Accepted Answer

Polyester polyols generally give harder, higher-gloss PU films with better chemical and solvent resistance compared to polyether polyols. They are preferred for floor coatings, industrial maintenance coatings, and PU adhesives where mechanical strength and chemical resistance are critical. Polyether polyols offer better low-temperature flexibility and hydrolysis resistance.

Question 2

How should PE-2095 be handled prior to mixing with isocyanate?

Accepted Answer

PE-2095 should be heated to 60–80°C before use to reduce viscosity for accurate weighing and mixing. Moisture content must be <0.05% as water reacts with isocyanate to generate CO2 bubbles and consume NCO equivalents. Drums should be kept sealed with dry nitrogen blanketing during storage.

Acid Value	≤2 mgKOH/g
Functionality	~2.0
Hydroxyl Value	90–110 mgKOH/g
Color (Gardner)	≤2
Viscosity (75°C)	2000–4000 mPa·s

Polyester Polyol PE-2095

Specifications

FAQ

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