国产午夜精品久久久久婷婷-国产午夜精品美女免费大片-国产午夜精品一区二区三区不卡-国产午夜剧场-人与动物毛片-人与动物一级黄色片

 

 

 

Surface drying time refers to the drying time of atomic ash surface; Dry time refers to the time when the atomic ash is completely dried. The drying time of atomic ash with different properties is also different. Some atomic ash dries fast and some atomic ash dries slowly. How long can atomic ash do in summer? The operation time of sheet metal ash is 3-5 minutes, and it can be polished in 20 minutes. Such atomic ash belongs to fast drying atomic ash.

 

 

 

Use of atomic ash:

 

 

 

Atomic ash is mainly used to fill and modify defects such as pits, needle shrinkage cavities, cracks and small welds of the substrate, so as to meet the flatness and smoothness of the substrate surface before the finish paint. Atomic ash is widely used in train manufacturing, ship manufacturing, bus manufacturing, engineering machinery manufacturing, machine tool machinery and equipment manufacturing, automobile repair, furniture, molds, concrete buildings and various metal products, wood products, FRP products that need to be filled and repaired。