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Terate® HT 5170

Terate® HT 5170 is a medium colored, aromatic polyester polyol with inherent functionality and fire performance advantages over polyether polyols. This product is designed to retain the advantages of Terate® 4020 and 2031 while offering higher hydroxyl value and functionality to allow for further substitution of polyether polyols in traditional polyurethane systems. Terate® HT 5170 also offers improved substrate adhesion, flowability and processing latitude. Polyurethane (PUR) spray formulations using Terate® HT 5170 typically produce foams that form char with minimal shrinkage and high weight retention in flammability testing while maintaining lighter in appearance foam color.

PROPERTIES RANGE TYPICAL PROPERTIES
Hydroxyl Number, mg KOH/g 345 - 365 355
Viscosity at 25°C, cps 8,000 - 12,500 10,250
Acid Number, mg KOH/g < 2 1
Water Content, % 0.15% 0.05%
Equivalent Weight 158
Functionality 2.5