| About |
|---|
| A medium-viscosity castable, nonshrinking urethane compound. Intended Use: Reproduce low- to medium-volume or discontinued rubber parts; form flexible molds and nonscratching holding fixtures/linings; encapsulate wire and electronics subject to impact, vibration, expansion, and contraction. Product features: 10-hour demolding time Room temperature curing urethane/no heat required Mixes and pours easily&& |
| Product Description | |
|---|---|
| Supplier | Devcon |
| Generic | PUR |
| Material Status | Commercial: Active |
| Features | Good flexibility,Low contractility |
| Availabilitys | North America |
| Process Methods | casting |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Specific volume | 0.957 | cm³/g | |
| Shrinkage rate | |||
| MD | 0.18 | % | ASTM D2566 |
| Solid content | |||
| by Volume | 100 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 87 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 14.5 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 350 | % | ASTM D412 |
| tear strength | 61.3 | kN/m | ASTM D624 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 14 | kV/mm | ASTM D149 |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| stripping time | 600 | min |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | 16 | hr |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Maximum operating temperature | |||
| Dry | 82 | ℃ | |
| Wet | 49 | ℃ | |
| Thermosetting components | |||
| resin | 按重量计算的混合比: 77 | ||
| Hardening method | 按重量计算的混合比: 23 | ||
| storage stability | |||
| 24 ℃ | 30 | min |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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