As we know , Lacquer made from unsaturated resin is apt to crack and to produce pellets in low temperature and is difficult to get dry .

• 它克服了一般不饱和树脂的易龟裂、低温易产生籽籽、难干的缺陷,也克服了聚氨脂漆漆膜薄,使用时间短,施工有毒的不足。