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
✅ Flexible yet tough urethane rubber for durable molds and parts
✅ Shore hardness of 70A for a strong yet flexible finish
✅ Ideal for duplicating rubber parts or making long-lasting rubber molds
✅ Vacuum or pressure casting recommended for bubble-free results
✅ Can be colored with translucent dyes when mixed with white dye
🚫 Not suitable for applications requiring extremely soft, stretchable rubber