Purchase Qty. Reference FOB Price
1-13 Tons US$2,000.00
14-27 Tons US$1,900.00
28+ Tons US$1,850.00
Product Description
Product Description MDA-75 contains a mixture of 4,4 '-diaminodiphenylmethane( 65% to 75%) and some polyamino-polyphenylmethane . It is an important chemical intermediate, which is mainly used as chain extender of polyurethane elastomer, curing agent of epoxy resin, floor paint, battery ...