But its high density, easy to crystallize at room temperature hardening, storage is bad, bad cold. 但其密度较大, 常温下易结晶变硬, 贮存性不好, 耐寒性差。
The cooling velocity of fast cooling section and over aging temperature have no significant effect on bake hardening property. 快冷段冷速和过时效温度对烘烤硬化性能均无明显影响