Rapid Cast Flour for Investment Casting

Rapid Cast Flour is a high-quality fused silica for precision investment casting use.

This advanced fused silica flour is engineered to streamline shell building with superior slurry performance. It forms thixotropic slurries that build both thin-detail and thick shell sections—helping reduce the number of dips by 35–50% compared to conventional flours. Its fine, uniformly milled particles ensure excellent wax pattern coverage and sharp detail definition while maintaining stability throughout application. With ultra-low thermal expansion and high purity (99.9%+ SiO₂, low cristobalite and iron levels), Rapid Cast Flour minimizes shell stress and cracking during autoclave dewaxing and metal pouring. Compatible with standard binders—colloidal silica or ethyl silicate—and featuring built-in accelerator performance, this flour supports faster production, clean knockout, and reduced caustic cleaning in shell removal. Foundries casting aerospace, medical, and high-precision industrial parts rely on Rapid Cast Flour to boost throughput without sacrificing shell strength or finish.

Ships in Bags. Larger orders available in Super Sacks.