RU-435 TH A/B by Silpak is a 100% solids, two-component urethane RTV elastomer. It becomes thixotropic within minutes for creating thin, brush-on bladder molds within hours. Once cured, it provides a strong, durable mold with excellent tear strength. It is available as 100:100 mix ratio by weight or volume. Applications include mold making for the art, architectural and foundry industries. Used to create thin, flexible molds for easier de-molding or use to cut mold cost through minimizing material usage. Shelf life of RU-435 TH A/B is 6 months at 65-85°F.
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RU-435 TH A/B properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 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 |
|---|---|---|---|
| Tear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| 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 |
| Gel Time | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Recoat Time | 0.0 Visible After Login | Visible After Login | Visible After Login |