Flex 70 Flexible Urethane Rubber

Flex 70 is a versatile and durable urethane rubber, perfect for duplicating rubber parts or creating long-lasting rubber molds. With a shore hardness of 70A, it offers a strong yet flexible finish, making it ideal for industrial applications, prototyping, and custom mold-making.

✔ Durable & Flexible – A perfect balance of strength and flexibility for a wide range of uses
✔ Smooth, Bubble-Free Castings – Vacuum or pressure casting recommended for best results
✔ Versatile Coloring – To achieve opaque colors, mix white dye with translucent dyes

Whether you're replicating rubber parts or crafting custom molds, Flex 70 delivers the toughness and flexibility you need for high-quality, long-lasting results.

Color Translucent Yellow

Mixed Viscosity 680cP

Mix Ratio 1:1 by weight or volume

Working Time 4 min

Demold Time 2 hours 

Cure Time 72 hr

Hardness 70A

Tensile Strength 730

Tear Resistance 130

Elongation % 175

Features