- Principal:Aurorium - Castor Oil
- End Uses:Medical Adhesives, Polyurethane Adhesives, Polyurethane Sealant, Polyurethanes
- Features:Excellent Cure, Good Compatibility, Good Moisture Resistance, Hydrophobic, Improved Hardness, Long Open Time, Longer Performance Life
Polycin® 640 M-1 is a solventless, castor oil-based polyol for use in polyurethane formulations, Secondary hydroxyl functionality provides longer open time and work life. Polycin 640-Ml will produce a polyurethane with a mid to high Shore D hardness when cured with MDI-based adducts.