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Alumilite Corporation

Flex 50 Flexible Urethane Rubber

Flex 50 Flexible Urethane Rubber

Regular price $44.00 USD
Regular price Sale price $44.00 USD
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Flex 50 is a medium-firm urethane rubber designed for casting flexible molds, replicating soft rubber parts, and creating durable prototypes. With a shore hardness of 50A, it provides the perfect balance between strength and flexibility, making it an excellent choice for gaskets, grips, and high-detail molds.

Its low viscosity ensures superior detail reproduction, while vacuum or pressure casting is recommended for bubble-free results.

Features

✅ Medium-Firm Flexibility:

Shore hardness of 50A for a balance of strength and flexibility


✅ Perfect for Rubber Molds & Parts:

Ideal for casting flexible molds, gaskets, and soft rubber parts


✅ Smooth, Detailed Castings:

Low viscosity allows for excellent detail reproduction


✅ Customizable Colors:

Mix with Alumilite translucent dyes, and add white dye for opaque colors


✅ Fast Demold Time:

Ready to demold in 2 hours, full cure in 72 hours


✅ Compatible with Multiple Casting Materials:

Works well with resin, concrete, plaster, and more


✅ Minimal Shrinkage:

Maintains high accuracy with low linear shrinkage

🚫 Not as rigid as higher shore rubbers like Flex 70 or 80

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