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Glass-Cast™ 400 investment

A stronger, economical mold material
Provides added strength for the glass artist that struggles with mold integrity due to mold size or process intensity

Need assistance with water/powder ratio calculations? Visit: Flask Calculators

Customer Testimonials

Don Casady
"Great product."

Mary Colm
"Best out there for glass casting. No breakage - one thick coat is all that's needed. This product is great for kiln cast glass."

Nathan Sandberg | Nathan Sandberg - OnGrade Studio

"I used to mix my own investment for glass casting. What I was saving in money, I was losing in labor...and there is just no beating the consistency and strength of Glass-Cast 400 investment."