Master Cast 721M Fast-Cast Urethane


Popular Specifications

30-60 Min. Demold
5-6 Min. Gel Time
85 Shore D
1.9 Specific Gravity
MasterCast 721M is a burgundy colored, two component, fast-cast urethane that is excellent for making foundry patterns and other durable tooling. This product features a faster cure time than the other Master Fast-Cast urethanes, so parts may be demolded in 30-60 minutes while still maintaining accuracy. Other features include:

- One to one mix ratio by weight or volume
- 6 minute gel time to permit adequate time to pour a wide variety of part sizes
- Very fast demold time of 30-60 minutes
- Low viscosity for ease of pouring and excellent surface detail
- 85 Shore D hardness for excellent wear in foundry applications
- Low shrinkage for accurate duplications

Catalog Number Description   Qty  
053705CO Master Cast 721M Gallon Unit - Burgundy (Discontinued item) CO

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