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The Best News About Urethane Mold Rubber To Come Along in Years
Smooth-On announces an exciting new direction in urethane mold rubber technology and is pleased to introduce the Evergreen™ Series. The Evergreen™ Series is unique in that they contain no free isocyanate, TDI, MDI, MOCA or Mercury.

Evergreen™ mold rubbers offer convenient by-volume mix ratios and cure with negligible shrinkage. They feature very low viscosities and require no vacuum de-gassing.

Compared to conventional urethane rubbers, the Evergreen™ Series exhibits superior release properties when casting polyester, urethane and other types of resins. We’ve also heard very good things from plaster and concrete casters. The Evergreen rubbers are not currently recommended for wax casting.

These rubbers exhibit good physical properties, and preliminary findings indicate that Evergreen rubbers can be poured against already cured Evergreen rubber without delamination.

These mold rubbers are suitable for a variety of applications including making molds to reproduce sculpture and architectural elements, as well as for making prototypes, special effects, toys, etc.

The Evergreen Series rubbers are slightly more expensive than conventional urethane rubbers, but are considerably less than silicone rubbers.

The Evergreen Series is available in Shore A hardnesses of 10, 20, 30, 40, 50 & 60.