Customer’s impression:
good very nice paste
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  • Easy to use flux

    posted by GordonGecco on 04/30/2010

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month


    Easy to use flux in paste/grease form.

    Doesn’t dry out.

    Nice compact metal can.


    Active agent is Zinc Chloride so this flux isn’t suitable for PCB soldering.


    This flux is very similar to the "High Intensity Soldering Paste" that can be found at "sku.9160" and I suspect they are both made in the same factory (they also share the same product name: BS-10). This product is based on Zinc Chloride and is intended for hard soldering, making battery packs, soldering wires to large terminals, etc. Being acidic the flux is not suitable for PCB soldering but can be used in a pinch if the flux residue is carefully removed. It’s very important to understand that the residue of these types of fluxes are slightly conductive, not as much as to make a full short but it can cause strange behavior when used with fine pitched digital IC’s.


    Excellent product if used correctly, works great for making battery packs. If you’re careful to remove the flux residue it can be used for PCB soldering but a rosin based flux would be better.

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