polyurethane catalyst a-300/polyurethane delay catalyst a-300 overview: chinese name: catalyst a300 alias: a300, catalyst a300, catalyst a-300, polyurethane catalyst a-300, polyurethane delayed catalyst a-300, delayed catalyst a-300, delayed catalyst, foam delayed catalyst, amino catalyst a-300, delayed amino a-300, automotive seat cushion catalyst, automotive backrest catalyst nt cat-300 is a delayed gel-acting catalyst designed for the...