Loudspeaker voice coil wire welding soldering flux and preparation method thereof
A technology of flux and voice coil wire, applied in welding equipment, welding medium, welding/cutting medium/material, etc., can solve problems such as poor fluxing performance, low welding productivity, dark solder joints, etc., and achieve stable acoustic performance, Good soldering performance and strong welding effect
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Embodiment 1
[0020] Pour 38g of glycerol, 58g of absolute ethanol, 0.07g of anhydrous sodium carbonate, and 3.93g of ammonium chloride into the container successively, and stir with a stirrer to completely dissolve the anhydrous sodium carbonate and ammonium chloride to obtain the present invention. of flux.
Embodiment 2
[0022] Pour 45.08g of glycerol, 50g of absolute ethanol, 0.12g of anhydrous sodium carbonate, and 4.8g of ammonium chloride into the container in turn, and stir with a stirrer to completely dissolve the anhydrous sodium carbonate and ammonium chloride to obtain this product. Invented flux.
Embodiment 3
[0024] Pour 42g of glycerin, 53.6g of absolute ethanol, 0.1g of anhydrous sodium carbonate, and 4.3g of ammonium chloride into the container in turn, and stir with a stirrer to completely dissolve the anhydrous sodium carbonate and ammonium chloride to obtain this product. Invented flux.
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