Ideal for both small and larger repair jobs Melting range: 700°C Active flux range: 550°C - 800°C Supplied ready fluxed Hilderbrand's easy 9ct Yellow Gold solder paste is assay quality, ready fluxed and comes in a 3g solder paste syringe. This 9ct Yellow Gold solder paste syringe is quick and easy to use, making it extremely convenient for getting small soldering jobs done in an instant. The 3g Yellow Gold solder paste syringe works best for wire work soldering jobs and small repairs. The tiny exit point of this solder paste syringe lets only a small amount of paste out, meaning you can achieve precise finishes with little or no need to spend time and effort filing and polishing your jewellery pieces afterwards.