VORASURF™ SF 2937 Additive

VORASURF™ SF 2937 Additive by Dow is silicone surfactant for producing rigid polyurethane foams. It enhances k-factor of rigid foam. It is suitable for HC blown formulations with solubility challenges (PIR) and HFO blown formulations with chemical stability challenges. Applicable for HC, HFO, HFC & water-blown systems used in construction and appliances, pour-in-place and continuous insulation panel. VORASURF™ SF 2937 Additive is also used in closed-cell spray foam and microcellular printer roller.