| About |
|---|
| BR-90 Brushable is a flexible 90 Shore A polyurethane material designed to be brushed into molds to produce tough skins. The common uses for this product include the creation of soft, yet durable skins for animated characters, costumes, prosthetics, and various parts and molds. BR-90 is often used in conjunction with flexible polyurethane foams as support to produce lightweight parts with a tough, durable skin. BR-90 Brushable can be used with SC-22 Softening Agent to lower the hardness and increase stretch characteristics for the desired application. SC-40 may also be added to increase the viscosity of BR-90 and build thicker layers. RoHS/REACH Compliant Popular for Parts & Molds Easy to Pigment Special Effects & Props Medical Training Models&& |
| Product Description | |
|---|---|
| Generic | TSU |
| Material Status | Commercial: Active |
| Features | Good flexibility,Durability,Soft |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.06 | g/cm³ | |
| — | 1.10 | g/cm³ | ASTM D792 |
| — | 1.11 | g/cm³ | |
| Specific volume | 0.919 | cm³/g | |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 17.6 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 530 | % | ASTM D412 |
| tear strength | 73.6 | kN/m | ASTM D624 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric constant | |||
| 1 MHz | 4.48 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 0.046 | ASTM D150 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermosetting components | |||
| Component A | 按重量计算的混合比: 100, 按容量计算的混合比: 95 | ||
| Component B | 按重量计算的混合比: 100, 按容量计算的混合比: 100 | ||
| Storage period | 26 | wk | |
| Thermosetting mixed viscosity | |||
| 25℃ | 20500 | cP | |
| 25℃ | 55000 | cP | |
| stripping time | |||
| 25℃ | 2.0 to 3.0 | hr | |
| Gelation time | 20.0 to 25.0 | min | |
| working hours | |||
| 25℃ | 10.0 to 15.0 | min |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | |||
| 25℃ | 5.0 to 7.0 | day |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 85 to 95 | ASTM D2240 | |
| Tensile modulus | 88.3 | MPa | ASTM D412 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Part B, 77°F |
| 3. Part A, 77°F |
| 4. Mixed |
| 5. Part A |
| 6. 100g |
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