Flux D Soldering Fluid (1L) by Augusta is a high-performance soldering flux for red and white gold, protecting against oxidation during soldering. With a working temperature of 500°C, it ensures clean, smooth joins. Contains methanol, boric acid, and disodium tetraborate decahydrate. Highly flammable and toxic—handle with caution.

Hilderbrand Welding Paste for Silver CF56 is a high-precision, flux-containing silver solder paste designed for fast, efficient, and precise soldering with a working temperature of 650°C. Its strong adhesion prevents loss due to detachment when applying heat, making it an ideal choice for jewellery and metalwork. Comes in an 8g syringe for controlled application.