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Terate® HT 5502

Technical Datasheet | Supplied by INVISTA
Terate® HT 5502 by Invista is an aromatic polyester polyol for hydrocarbon blown PIR laminate systems requiring higher acid number. It exhibits improves flammability and physical performance. It delivers burn performance in industry testing, forming char with minimum shrinkage and high weight retention. It improves ease of processing during rigid foam production and adhesion to various substrates. It helps to reduce flame retardant loading and smoke development in polyurethane and polyisocyanurate rigid foam formulations. Terate® HT 5502 can be used as a partial replacement of traditional polyether polyols with minor formulation adjustments.
Product Type
Polyols > Polyester Polyols
Chemical Composition
Aromatic polyester polyol
Product Status
Geographical Availability
Africa, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe, Asia / Pacific

Terate® HT 5502 Properties


Value & Unit
Test Condition
Test Method
Hydroxyl Number
207 - 225 mg KOH/g
Viscosity @ 25°C
1500 - 3000 cps
Acid Number
0.3 - 1.2 mg KOH/g
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