Halogen free no-clean flux 663A Introduction

663A is a low solid, no-clean, and environmentally friendly product formulated with halogen-free composite surfactants. Soldering flux for photovoltaic copper strip tin plating.

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Halogen free no-clean flux 663A Product Features

663A halogen-free soldering flux has the characteristics of fast tin loading speed, evenly and bright tin plating surface, less residue, low odor and smoke, high temperature resistance, and low corrosion. It can effectively remove oxides on the surface of copper strip, making the coating bright, flat, and greatly reducing pinhole phenomenon.it can reach the high requirement for tin loading speed of high speed tin plating process. After welding, the product has a high surface insulation resistance and can pass strict environmental testing.

Halogen free no-clean flux 663A Applicable process

Suitable for application methods such as immersion welding and coating.

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Flux is an important material for SMT electronic welding, which is a mixture of chemical and physical activity. When heated, it can remove metal oxides from the solder and solderable surface, promoting the wetting of the metal substrate by the molten solder. Flux can prevent surface oxidation during welding, reduce surface tension of the solder, improve welding performance, and directly affect the quality of electronic products. Unibright's fluxes include water-based fluxes, halogen-free fluxes, lead-free fluxes, water-soluble fluxes, and are widely used in wave soldering fluxes, electrical component fluxes, photovoltaic fluxes, and more.

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