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Key Differences
| Product Type |
|
|
| Mixed Viscosity | 2,000 cps | 6,000 cps |
| Mix Ratio By Volume | 1A:1B | N/A (gram scale required) |
| Pot Life | 60 minutes | 3 hours |
| Shore D Hardness | — | 90 |
| Shore A Hardness | 50 | — |
| Specific Volume | 26.7 cu. in./lb. | 20.51 cu. in./lb. |
| Color | Off-White | Beige |
| Tensile Strength | 588 psi | 4,500 psi |
Disclaimer
Although we do our best to ensure accuracy, Smooth-On offers no warranties, promises, and/or representations of any kind, either expressed or implied, as to the accuracy, completeness, or reliability of the information contained on this Compare Tool, nor suitability of the information contained herein to your particular circumstances. Smooth-On assumes no liability for losses or damages of whatever nature (direct, indirect, consequential or other) associated with your use, or inability to use, the Compare Tool, or from your use (or failure to use) the information contained herein. Other useful tools include product technical bulletins and our extensive FAQ section. You can also contact our technical support team.All Technical Data
| VytaFlex™ 50 | EpoxAcast™ 670 HT | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | 2,000 cps | 6,000 cps |
| Mix Ratio By Volume | 1A:1B | — |
| Mix Ratio By Weight | 1A:1B | 100A:16B |
| Pot Life | 60 minutes | 3 hours |
| Cure Time | 16 hours | Twenty Four Hours Followed By Post Cures |
| Shore D Hardness | — | 90 |
| Shore A Hardness | 50 | — |
| Specific Gravity | 1.04 g/cc | 1.15 g/cc |
| Specific Volume | 26.7 cu. in./lb. | 20.51 cu. in./lb. |
| Color | Off-White | Beige |
| Die C Tear Strength | 102 pli | — |
| Tensile Strength | 588 psi | 4,500 psi |
| Tensile Modulus | — | 332,000 psi |
| Tensile Elongation | — | 0.65 % |
| Elongation @ Break | 400 % | — |
| 100% Modulus | 215 psi | — |
| Compressive Strength | — | 13,000 psi |
| Compressive Modulus | — | 101,400 psi |
| Flexural Strength | — | 11,000 psi |
| Flexural Modulus | — | 254,000 psi |
| Shrinkage | <.001 in. / in. | 0.002 in. / in. |
| Heat Deflection Temp | — | 350 °F |
Product Description
VytaFlex™ 50
Using Smooth-On’s exclusive “V-Polymer™” technology, VytaFlex™ urethane rubbers offer superior physical and performance properties for casting concrete. VytaFlex™ urethanes are available in 10A, 20A, 30A, 40A, 45A, 50A and 60A Shore hardness’s and feature convenient one-to-one by volume mix ratios.
Vacuum degassing is not necessary and VytaFlex™ rubbers cure with negligible shrinkage to a durable rubber that will last in production.
VytaFlex™ mold rubbers work especially well for casting pigmented / colored concrete. Molds made with VytaFlex™ Series urethanes will render accurate and uniform colored castings.
FOR COMMERCIAL/INDUSTRIAL USE ONLY
› Click here for more VytaFlex™ rubber products.
EpoxAcast™ 670 HT
EpoxAcast™ 670 HT is an easy-to-use epoxy casting compound that offers high heat resistance up to 350°F/177°C (post cure required). EpoxAcast™ 670 HT is ideal for making vacuum forming and thermoforming molds, creating foundry patterns, forming dies & fixtures, hard rollers, industrial parts and high impact tools. EpoxAcast™ 670 HT is also suitable for encapsulation applications or for use as a high temperature epoxy for bonding a variety of surfaces.