PMC™ -746 by Smooth-On is a highly rigid, polyurethane rubber. Offers good durability and moisture resistance. Suitable for use in zoos and museums for a variety of mold-making, display and exhibit applications. Designed for large case molds for casting gypsum plasters. Recommended for plaster block molds, reproducing ornamental plaster (architectural restoration), pre-cast concrete molds, casting waxes, special effects for movies and theatres. PMC™ -746 is mixed 2A:1B solution by weight or volume.
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PMC™ -746 properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flash Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 100% Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore A | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Cure time | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Linear Mold Shrinkage | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Pot Life | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Volume | 0.0 Visible After Login | Visible After Login | Visible After Login |