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? When using the impregnation process, pay attention to the immersion height and control the welding residue. Regularly and appropriately add diluents and control the specific gravity to maintain the uniformity and stability of the active ingredients of the flux during use.
? The service life of soldering flux varies slightly due to process conditions. When the flux is not in working condition, it should be kept in a sealed container as much as possible to avoid solvent evaporation. When it is necessary to replace the flux, the flux container should be thoroughly cleaned and replaced with a new flux in full.
? Pre heating after applying flux can fully utilize the advantages of water-soluble flux. It is recommended that the preheating temperature should be such that the welding surface temperature reaches 100-150 ℃ after preheating.
? Wash with hot water at 50-60 ℃, combined with ultrasound to achieve the minimum ion residue without the need for any cleaning agent.