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PMC® 780 Dry/Wet
| Category: | PUR, Unspecified , Polyurethane |
| Manufacturer: | Smooth-On, Inc |
| Trademark: | PMC® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | sVokE7_PMC-780-Dry-Wet.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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PMC-780 is a premium performance urethane rubber that offers exceptional strength, durability and abrasion resistance. PMC-780 DOES NOT CONTAIN MOCA - a known cancer causing agent and hazard. Mixed two parts A to one part B by weight, PMC-780 pours easily and cures at room temperature with negligible shrinkage to a solid Shore 80A rubber. Pick The One Best Suited For Your Application: Original PMC-780 Dry does not exude oil. New PMC-780 Wet contains a built-in release agent to aid in demolding concrete. (Note: "wet" rubber has a higher net shrinkage value over time vs. "dry " rubber.) Both are used around the world for casting abrasive materials such as concrete (pre-cast concrete, making concrete stamping pads, etc.) and gypsum plasters with high exotherms. PMC-780 Dry is also commonly used to make rubber mechanical parts of varying configurations (gaskets, wheels, and pullies) as well as ball mill liners and vibration/shock pads. |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.02 | g/cm³ | ASTM D1475 |
| Specific Volume | 0.983 | cm³/g |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Mixing Ratio | 2A:1B by weight |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow | < 0.10 | % | ASTM D2566 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 80 | ASTM D2240 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress (100% Strain) | 2.76 | MPa | ASTM D412 |
| Tensile Strength (Break) | 6.21 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 700 | % | ASTM D412 |
| Tear Strength 1 | 35.0 | kN/m | ASTM D624 |
| Thermoset | Nominal Value | Unit | Test Method |
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| Pot Life (23°C) | 25 | min | ASTM D2471 |
| Thermoset Mix Viscosity | 2000 | cP | ASTM D2393 |
| Demold Time (23°C) | 2900 | min |
| Note Message | |
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| 1 . | Die C |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| RTP 881 TFE 5 | RTP Company | Acetal (POM) Copolymer | RTP |
| BCC Resins BC 8163 | BCC Products Inc. | PUR, Unspecified | BCC Resins |
| Clyrell RC2472 | LyondellBasell Industries | PP Random Copolymer | Clyrell |
| ELASTOSIL® LR 6239 F | Wacker Chemie AG | Silicone | ELASTOSIL® LR |
| SCHULAMID® PPA GF 33 | A. Schulman Europe | PPA | SCHULAMID® |
