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Glass-Cast™ 400 investment
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A stronger, economical mold material
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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
Made in the USA
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."
Customer Art Gallery
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