Welding Flux
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China [CN] |
Model Number：
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QJ301
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Description and advantage
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QJ301 is a kind of based on copper welding of brazing solvent. It is the ideal temperature welding solvent. .This solvent uniform particles is minimal, the color is white.
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Detailed description
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In the 850°C ---1150°C, it used copper and copper alloy when welding for oxyacetylene or embedded in flux. It also available for brazing steel and stainless steel help solvent.
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Its status is creamy, and the density is1.9---2.1. Main ingredients are boric aid, borax and phosphate.
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Model Number：
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QJ102
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Description and advantage
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QJ102 silver solvent is China's latest developed a new type of paste, and its liquidity and permeability are stronger than others.
Can stable effect and convenient to use, long-term storage not agglomeration and precipitation. Technology is better than the powder solder and can fully replace the same products abroad.
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Detailed description
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Cooperate with silver base material 550°C -- 850 °C brazing copper and copper alloy stainless steel and so on many kinds of materials. It is suitable for the flame, resistance and many other kinds of brazing .
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Main ingredients ：KF,KBF4,B2O3,composite fluorine borates, composite borates, activator and so on. Excluding banned substances
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Model Number：
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QJ201/QJ401
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Description and advantage
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QJ201 in domestic enterprise production welding plays a dominant position, the temperature range, the liquidity significantly better than QJ401, but the price is a little bit higher. And in the domestic maintenance market and in the Middle East or in Africa, the 401 is widely used,
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Detailed description
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QJ201 uniform particles for subtle, melting point about 420 °C, applicable to 450 °C ~ 620 °C active temperature range flame brazing aluminum and its alloy. Main ingredients are alkali metal, alkaline earths, fluoride and activator.
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QJ401 Aluminum brazing solvent melting point about 550°C, suitable for roughly 550 °C ~ 620 °C activity temperature range flame brazing aluminum and its alloy.
Its performance in high temperature more superior in aluminum soldering QJ201.
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