香港大宝集团金耐宝汽车专用原子灰产品说明
产品用途及特性Application&characteristic：
该产品是我公司针对汽车原厂制造，整车涂装，大面积修补等作业而设计的专用原子灰，具有涂刮性能好，可操作时间长，良好的耐温变性能、优异的附着力和弹性，能耐一定的烘烤性。用于中涂前，底材凹坑、针缩孔、裂纹和小焊缝等缺陷的填平与修饰，满足面漆前底材表面的平整、平滑。
This product is specially designed for automobile factory manufacture, whole-painting, large surface repair. Good apply property, outstanding adhesion & flexibility, excellent temperature variation resistance, long handling time. It is used for the filling and leveling up as well as decoration of the deficiencies such as sand holes, shrink holes and cracks on the surface of polyester putty before closing the undercoat in the painting dressing of cars, so as to strengthen the flatness and smoothness of the surface of polyester putty.
Scope of construction:It can be used in iron panel,steel plate,aluminium plateandon any painted metallic surface.
主要技术指标：
项 目 指 标 试验方法
柔韧性（mm） 50 GB/T1748
耐冲击性（kg?cm） ≥25 GB/T1732
耐热性（140℃烘烤1h） 无鼓泡、无开裂 GB/T1735
附着力 一级 弯曲法
耐温变性（三个循环） 无鼓泡，无开裂 目测
打磨性 易打磨，出粉明显 手感
注：耐温变-40℃1h—常温1h—120℃1h为一循环
Main performance indexes:
Item indexes Test method
Flexibility(mm) 50 GB/T1748
Impact strength(kg.cm) ≥25 GB/T1732
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公安备案号21010302000002
