Carousel Previous. Q: What if the product is damaged during transportation? The solder paste also demonstrates reduced flux residue cracking, good reflow ability with no cracking or peeling of the flux residue, and long shelf life of 6 months when refrigerated. Rac MCQ Document 10 pages. Scope of application: SMT patch LED welding PCB board, general electrical appliances, electronics industry, sheet metal, lead pipe soldering, cables, radiators, cans, light bulbs, and soldering of high-heat parts of TV sets.
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