Adhesive system for brazing flux, coating composition for brazing filler metal and flux coated brazing rod
A technology of composition and brazing flux, applied in the direction of welding/cutting media/materials, metal processing equipment, welding equipment, etc., can solve the problems of affecting the quality of brazing, peeling off of the coating, and many residues, etc., and achieve good moisture resistance and anti-shedding Effect, moisture-proof coating, and low organic matter content
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Embodiment 1
[0038] The solder bonding system of the present embodiment includes a main agent and a curing agent; the main agent is composed of the following components by weight: 20 parts of epoxy resin, 18 parts of polysulfide rubber, and 10 parts of dibutyl phthalate , 7 parts of diluent; curing agent is composed of the following components in mass percentage: 70% of diethylenetriamine, 30% of phthalic anhydride.
[0039] The coating composition for brazing filler metal of the present embodiment comprises coating main agent and curing agent; The coating main agent is made up of the component of following mass percentage: brazing flux 45%, epoxy resin 20%, polysulfide rubber 18%, Dibutyl phthalate 10%, diluent 7%; The diluent is acetone. The curing agent is composed of the following components in mass percentage: 70% of diethylenetriamine and 30% of phthalic anhydride. The brazing flux is composed of the following components in mass percentage: 45% of potassium fluoride, 22% of potassiu...
Embodiment 2
[0045] The bonding system for flux of the present embodiment includes a main agent and a curing agent; the main agent is composed of the following components by weight: 20 parts of epoxy resin, 20 parts of polysulfide rubber, and 7 parts of dibutyl phthalate , 3 parts of diluent; Said diluent is acetone. The curing agent is composed of the following components in mass percentage: 80% of diethylenetriamine and 20% of phthalic anhydride.
[0046] The coating composition for brazing filler metal of the present embodiment comprises coating main agent and curing agent; The coating main agent is made up of the component of following mass percentage: brazing flux 50%, epoxy resin 20%, polysulfide rubber 20%, Dibutyl phthalate 7%, Thinner 3%.
[0047] The curing agent is composed of the following components in mass percentage: 70% of diethylenetriamine and 30% of phthalic anhydride. The brazing flux is composed of the following components in mass percentage: 70% of boric anhydride, ...
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