72lb Honeycomb Calcite 19x18x7 1030 polyformproducts low viscosity liquid additive that

low viscosity liquid additive that will lower the durometer (Shore hardness) of some SmoothOn casting and laminating epoxies

" High Performance Topcoat was voted as the hardest

and comments on several hundred more

white and very durable

72lb Honeycomb Calcite 19x18x7 1030 polyformproducts low viscosity liquid additive thatComparable in characteristics to onyx and marble, Honeycomb Calcite can provide a colorful and dramatic accent stone for architectural and artistic applications. It is an unusual form of calcite as a result of its strength, stability, luminous quality and colors. The color ranges from a soft, pale sunshine lemon yellow to a deep rich honey golden amber depending on the thickness of the stone. When Honeycomb Calcite is cut, it exhibits its unique