700021 | Masterflux 80g Scalemaster Heat Activated Flux (White) The Scalemaster Masterflux 700021 is an 80g tub of heat-activated soldering flux designed for use with copper pipework and fittings in domestic and commercial plumbing systems. This WRAS-appro
700021 | Masterflux 80g Scalemaster Heat Activated Flux (White)
The Scalemaster Masterflux 700021 is an 80g tub of heat-activated soldering flux designed for use with copper pipework and fittings in domestic and commercial plumbing systems. This WRAS-approved, water-washable flux is lead-free and non-acidic, ensuring safe use with potable water. Its white paste formulation activates only when heated, allowing clean assembly with minimal residue, and provides excellent wetting and capillary flow for strong, leak-proof solder joints.
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