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KX Flex™ Series urethanes are fast setting flexible urethane casting elastomers that cure quickly and offer exceptional physical and performance properties including high impact resistance. KX Flex™ Series urethanes are easy to color using SO-Strong™, UVO™ or IGNITE™ colorants. KX Flex™ urethanes are phthalate free, mercury free and MOCA free.KX Flex™ Series urethanes have a pot life of 2.5 minutes and handling time of 30 minutes (depending on mass). With Shore hardness values of 40A, 60A and 90A, this material is used for a variety of applications including fast mold making, fast model duplication, prototyping, durable miniatures, props and special effects, or making parts that are impact resistant. Fully cured castings are flexible, tough and durable.Cured KX Flex™ 40 will have a slight tack which will subside over time depending on mass and ambient temperature.
| Color | Translucent White |
| Mixed Viscocity | 800 cps |
| Cure Time | 24 hours |
| Pot Life | 2.5 minutes |
| Specific Volume | 25.9 cu. in./lb. |
| Specific Gravity | 1.07 g/cc |
| Mix Ratio By Weight | 1A:1B |
| Shrinkage | 0.002 in. / in. |
| Mix Ratio By Volume | 1A:1B |
| Tensile Strength | 457 psi |
| Elongation At Break | 400 % |
| Shore A Hardness | 40 |
| Handling Time | 30 minutes |
| Product | Handling Time | Cure Time | Shore A Hardness | Specific Gravity | Specific Volume | Tensile Strength | Shrinkage | Elongation At Break | Mixed Viscocity | Mix Ratio By Weight | Pot Life | Color | Mixed Viscocity | Cure Time | Pot Life | Specific Volume | Specific Gravity | Mix Ratio By Weight | Shrinkage | Tensile Strength | Elongation At Break | Shore A Hardness | Handling Time | Mix Ratio By Volume | Mix Ratio By Volume |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KX Flex™ 90 | 30 min. | 24 h. | 90 | 1.15 g/cc | 24.1 cu. in./lb. | 1,800 psi | 0.005 in. / in. | 125 % | 800 cps | 100A:120B | 2.5 min. | Off-White | 800 cps | 24 h. | 2.5 min. | 24.1 cu. in./lb. | 1.15 g/cc | 100A:120B | 0.005 in. / in. | 1,800 psi | 125 % | 90 | 30 min. | - | - |
| KX Flex™ 60 | 30 min. | 24 h. | 60 | 1.15 g/cc | 24.1 cu. in./lb. | 1,800 psi | 0.005 in. / in. | 125 % | 800 cps | 100A:94B | 2.5 min. | Off-White | 800 cps | 24 h. | 2.5 min. | 24.1 cu. in./lb. | 1.15 g/cc | 100A:94B | 0.005 in. / in. | 1,800 psi | 125 % | 60 | 30 min. | 1A:1B | 1A:1B |
| KX Flex™ 40 | 30 min. | 24 h. | 40 | 1.07 g/cc | 25.9 cu. in./lb. | 457 psi | 0.002 in. / in. | 400 % | 800 cps | 1A:1B | 2.5 min. | Translucent White | 800 cps | 24 h. | 2.5 min. | 25.9 cu. in./lb. | 1.07 g/cc | 1A:1B | 0.002 in. / in. | 457 psi | 400 % | 40 | 30 min. | 1A:1B | 1A:1B |