General Description A-1 is the very important amine catalyst for the polyurethane area and it has the higher catalytic activity and selectivity for the foaming reaction. Applications A-1 catalyst is used extensively polyurethane foam plastic and specially used in HR, semi regid foam and low density foam plastic. Typical Physical Properties AppearanceColorless liquid BDMAEE content%69.60-70.40 DPG content%30.6-31.4 Density200.9 Water¤0.5 Flash point74 Storage and package Information Hehui Chemicals recommends that our catalysts be stored in a dry and cool area under appropriate ventilation conditions. Each container should be closed tightly to avoid contamination with moisture or other negative influences, which could change the products performance in the end use. And it can be stored 12 months at least. 170KGS per drum.