FMC® 205 by Smooth-On is a polysulfide rubber mold compound. Exhibits durability and cures overnight with negligible shrinkage. It is not sensitive to moisture and can be poured directly over wet plaster or water/ sulfur based clays. FMC® 205 has a mix ratio of 100A:12B by weight. Common applications include molds for foundry & pattern work, sculpture (lost wax process), casting various gypsum products and waxes.
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FMC® 205 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 100% Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 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 |
| Pot Life | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Volume | 0.0 Visible After Login | Visible After Login | Visible After Login |