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Kast Series Urethane Resins
Kast Series products are high-performance, fast-cast tooling and casting urethane resins.
Kast Series products are two-part, room-temperature curing (RTV) systems designed for use in a variety of applications including foundry, special effects, prototyping, vacuum and thermo-forming, and many other industrial and commercial applications.
Kast products were developed to provide high moisture resistance, improved filler suspension, easier premixing of the components, and minimal shrinkage.
View all product options within this series under "Product Options" below:
Select an option below for additional product specifications and buying information:
| Product | Description | Shore Hardness | Mixed Viscosity | Mix Ratio by Weight or Volume | Pot Life | Demold Time* | Color |
| BC-8002 Kwik-Kast II Gray | High-performance urethane tooling and casting resin with a fast turnaround time. | D85 | 2,350 cP | 1A:1B | 5-6 min. | 1-2 hr. | Gray |
| BC-8655 Kwik-Kast II Blue | Similar to BC-8002, but blue in color and with a slightly longer pot life. | D83 | 2,120 cP | 1A:1B | 8-10 min. | 1-2 hr. | Blue |
| BC-8009 Slo-Kast Gray | Features a longer pot life compared to BC-8655 and BC-8002 - ideal for filling larger closed mold cavities and casting large sections without having to stage pour. | D85 | 2,250 cP | 1A:1B | 14-18 min. | 3-4 hr. | Gray |
| BC-8010 Metal-Kast | Simulates many of the desirable characteristics of aluminum metal. | D83 | 2,250 cP | 1A:1B | 6-7 min. | 1.5-2 hr. | Gray |
*Demold time varies with thickness of casting and the amount of accelerator used.
- Two-part polyurethane resins
- Room temperature curing (RTV)
- Shore Hardness Options: D83-D85
- Tough, non-brittle
- 1A:1B mix ratios by weight or volume
- Low-viscosity
- Reproduces fine detail
- Can be machined, drilled, sanded
- Low shrinkage on cure
- Fast demold times
| Accelerator | Use Poly 15 Part X Accelerator to increase the speed of curing. |
| Color Dyes | PolyColor Dyes can be used to color Kast-Series plastics. They are available in Black, Brown, Blue, Green, Red, Yellow, and a White Pigment. |
| Thickeners | Use PolyFiber II to thicken the liquid mix for application by brush or trowel. |
| Product Life Extender | Use PolyPurge Aerosol Dry Gas to extend product life by spraying it into containers before resealing. |