| About |
|---|
| Silopren LSR 7005 liquid silicone rubber is a two-component, high-transparency, low-hardness, low-viscosity, fast-cure speed and ultra clear liquid silicone rubber (LSR). Providing good optical clarity, Silopren LSR 7005 liquid silicone rubber combines typical LSR properties, such as high temperature stability and flowability, with excellent UV and blue light stability. As a result, optical parts produced using this material can exhibit excellent durability and maintain optical clarity, even if exposed to high temperatures or UV light. The very low hardness and low modulus help enable easy assembling and coupling of molded optical elements. Silopren LSR 7005 liquid silicone rubber is designed to be processed through LSR injection molding technology, which can help to produce high precision optical parts even in large quantities at a high efficiency. Key Features and Typical Benefits Optical Clarity Durability Design Freedom Potential Applications Optical interfaces Rain light sensors Camera systems Optical sensors Other transparent applications&& |
| Product Description | |
|---|---|
| Supplier | Momentive |
| Generic | 硅橡胶,LSR |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good Clarity,High liquidity,Low Viscosity,Good stripping performance,Good color stability,High Heat Resistance,Good tear strength,Low Hardness,Durability,Heat Stabilized,Fast Cure,Good coloring |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Liquid injection molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.980 | g/cm³ | JIS K6249 |
| Shrinkage rate | |||
| MD | 2.2 | % | JIS K6249 |
| Water absorption rate | |||
| balance | < 0.10 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 5 | JIS K6249 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 0.300 | MPa | JIS K6249 |
| Tensile strain | |||
| fracture | 210 | % | JIS K6249 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.410 | ||
| Transmittance | |||
| 2000 µm，400 nm | 93.0 | % | |
| 2000 µm，700 nm | 94.0 | % | |
| Haze | < 1.0 | % | ASTM D1003 |
| Dispersion coefficient | 50.0 |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| colour | |||
| — | Clear/Transparent | ||
| viscosity | |||
| 23℃ | 50 | Pa·s | |
| 23℃ | 53 | Pa·s | |
| 23℃ | 55 | Pa·s | |
| Curing time | |||
| 130℃ | 0.25 | hr | |
| storage stability | |||
| 23℃ | 2900 | min |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD：40~90℃ | 3.3E-4 | 1/℃ | |
| Thermosetting components | |||
| Component A | 按重量计算的混合比: 1.0 | ||
| Component B | 按重量计算的混合比: 1.0 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Part B |
| 3. Part A |
| 4. Mixed |
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