polyurethane type paint 聚氨基甲酸酯类涂料

new type polyurethane adhesive 新型聚氨酯粘合剂

New type polyurethane catalyst 新型聚氨酯类催化剂

castor oil type polyurethane [高分子] 蓖麻油型聚氨酯

new w type polyurethane adhesive 新型聚氨酯粘合剂

tar type polyurethane 焦油型聚氨酯

tar-type polyurethane 焦油型聚氨酯

mdi type polyurethane mdi型聚氨酯

solvent-type polyurethane 溶剂型聚氨酯