XDI | Polyurethane sealant | polypropylene oxide glycol | Hard-quality polyurethane foam plastic | Waterborne polyurethane resin |
NDI | Polydiethanol ether | Benzyl anhydride polyester polyols | Polyurethane resin for synthetic leather | Already acid polyester polyol |
IPDI | The terminal amino polyether | Polytetrahydrofuranediol | Polyurethane foam sealant | …… |