Flex-It 90Flex It 90 is a semi rigid urethane casting resin designed for casting abrasion resistant molds, seals, gaskets, models, prototypes, parts, rollers, etc.. It is semi rigid in mass castings and flexible in thin cross sections. FLEX IT 90 has excellent abrasion resistance, tear strength, tensile strength, and has good chemical resistance. Flex It 90 is a semi rigid urethane casting resin designed for casting abrasion resistant molds, seals, gaskets,

Why Choose Cube Breeze Block Molds

Designed for creators

and design-forward spaces

Elevate your design—literally

eliminating the need for specialized equipment or vacuum chambers

Heat resistant

this mold delivers striking depth and professional-grade detail

charcuterie boards

Tough-Cast 65D is comparable to Smooth-on Smooth-Cast™ 65D semi-rigid urethane casting resin

*Direct resin pours are not recommended

Repeat 5-7x: allow 10-15 min before each coat

For your safety and optimal results