Terate® HT 5232 polyol is an aromatic polyester polyol formulated for use in polyurethane (PUR) and polyisocyanurate (PIR) foam systems such as spray foams and metal-faced sandwich panels. In certain closed-cell spray wall foam formulations this product has a proven record in achieving ASTM E-84 Class 1 rating with improved flame spread and smoke density index. The recommended use level in spray wall foam formulation is between 35 – 65% in the B-side polyol blends.
|Acid Number, mg KOH/g||≤ 2.0||1.3|
|Hydroxyl Number, mg KOH/g||255 – 275||265|
|Water Content, %||≤ 0.15||0.05|
|Viscosity at 25°C, cps||10000 - 14000||12000|