Rapid Cast Flour for Investment Casting

Rapid Cast Flour is a fused silica, high-quality flour 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.