🆕 Silicon Bronze C87300 Casting Grain (Granules) 500g for Jewellery Casting Kilns & Firing Equipment Non-return built into outlet

Non-return built into outlet

these premium earring backs provide a firm hold for most standard earring posts

heat-shrink tubing

Made in Germany from hardened tool steel

yet flexible characteristics make it ideal for large pieces

🆕 Silicon Bronze C87300 Casting Grain (Granules) 500g for Jewellery Casting Kilns & Firing Equipment Non-return built into outletProduct Description This silicon bronze casting grain is fabricated from high quality primary metal sources to ensure consistent performance in jewellery casting and small scale metal casting applications. Each batch is produced to deliver reliable fluidity, ductility, hardness, colour consistency, and controlled solidification all critical factors for successful lost wax and investment casting. Often referred to as Bronze S, this copper based silicon