人妻综合网,成人影片麻豆国产影片免费观看,中文字幕一区二区人妻电影,欧美性喷潮

Category
類 別

Trade-mark
牌 號

Product name
名 稱

Characteristics & application
特性和用途

Gas
welding

氣焊

CJ301

Copper gas welding flux
銅氣焊熔劑

Melting point is about 650℃, flux for gas welding and brazing of copper and copper alloys.
熔點約650℃，銅及銅合金氣焊或釬焊的助熔劑

CJ401

Aluminum gas welding flux
鋁氣焊熔劑

Melting point is about 560℃, flux for gas welding of aluminum and aluminum alloys.
熔點約560℃，鋁及鋁合金氣焊的助熔劑

Silver
brazing

銀釬焊

QJ101

Silver brazing flux
銀釬焊熔劑

Brazing flux of copper, copper alloys, steel and stainless steel within 550-750℃.
在550-750℃范圍釬焊銅及銅合金、鋼及不銹鋼的助熔劑

QJ102

Silver brazing flux
銀釬焊熔劑

Brazing flux of copper, copper alloys, steel and stainless steel within 600-850℃.
在600-850℃范圍釬焊銅及銅合金、鋼及不銹鋼的助熔劑