Amine-terminated polyether Zhengda® zt-143 Zhengda® zt-143 amine-terminated polyether is characterized by repeating oxypropylene units in the backbone.As shown by the structure, zhengda® zt-143 is a trifunctional primary amine having an average molecular weight of approximately 440. Its amine groups are located on secondary carbon atoms at the ends of aliphatic polyether chains. Applications Epoxy curing agent Anti-sag agent for polyurethanes Benefits Low color and vapor pressure Completely miscible with a wide variety of solvents, including water Improves flexibility and strength Sales specifications Property specifications Appearance colorless to pale yellow with slight haze Color, pt-co 50max. Primary amine, % of total amine 90 min. Total amine, meq/g 6.1 – 6.8 Water, wt% 0.25 max. Additional information Ph, 5% aqueous solution 11.6 ahew (amine hydrogen equivalent wt.), g/eq 81 Refractiveindex, nd20 1.46 viscosity, cst, 25°c (77°f) 72 Vapor pressure, mmhg/°c 1/181 density, g/ml (lb/gal), 25°c 0.978 (8.12) 5/207 flash point, pmcc, °c (°f) 196 (385) Cas number 39423-51-3 Products packaged/shipped Drum 200 kgs net wt. Iso tank appro. 23, 000.00 kgs net wt. Ibc 1000 kgs net wt.