Master Cast 721M Fast-Cast Urethane


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

Click Here to View Our Closeout Page

Please Note:
Liquid products are sold by weight, not volume.

Shipping and Handling:
Freeman charges standard published UPS/FedEx shipping rates (unless freight is specified). All orders under $25 are subject to a $5 small order fee. International orders are subject to a $250 minimum order.

Description Legend:
 = Special Order. Minimum quantities and extended lead times may apply.
 = Closeout List. Available at special pricing on our closeout list. Subject to prior sale.
 = Web Order Discounts. These items are discounted for online orders only. The discount will be applied after you request your quote, or add to cart.
 = Favorites Button. When logged in, you can select your favorite items to be viewed later in the favorites tab under "My Account"
 = Your Favorited Items. To view your favorited items, look under the "My Account" tab

Ship Note Legend:
HAZ-G = Hazardous material, cannot ship air, $28.50 surcharge applied for each package shipped ground.
HAZ-A = Hazardous material, cannot ship air, no surcharge for ground shipping.
HAZ-T = Toxic material, must be sent by freight carrier.
FRT = must be sent by freight carrier due to size, weight, or hazardous classification.