| About |
|---|
| ACRYLITE® Optical POQ compounds are specialty crystal-clear acrylic polymers that provide high optical purity for applications that require high transmission efficiency in long light paths. ACRYLITE® Optical POQ compounds are available in three grades: POQ66, POQ64 and POQ62. The grades differ in flow properties, which are adjusted to optimize the results for different processing methods. ACRYLITE® Optical POQ molding compounds achieve the maximum purity in acrylic polymers. These compounds use proprietary purification processes that ensures the polymers are free of any visible dust, fines and contaminant. The specialty compounds provide the high optical purity needed for applications that require high transmission efficiency in long light paths. The low absorption coefficient characteristics providethe best possible outcome for sophisticated light pipes, and edge-lit, interior lighting lenses. ACRYLITE® Optical POQ compounds have formulation refinements that further ensure its high optical pureness. Millions of pounds of ACRYLITE® Optical POQ have been sold into the manufacture of optical light guides for backlight units in TFT-LCE displays. Specially designed packaging options ensure that purity is maintained during delivery. ACRYLITE® Optical POQ compounds are excellent for long path light guide applications but they should not be used for outdoor applications and are engineered to be used with LED lighting sources.&& |
| Product Description | |
|---|---|
| Supplier | ROHM |
| Generic | PMMA |
| Material Status | Commercial: Active |
| Features | Good Clarity,High purity,HB |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 230℃，3.8 kg | 2.30 | cm³/10min | ISO 1133 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | < 2.0 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3200 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 69.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| fracture | 4.0 | % | ISO 527-2/5 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | 20 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 94.5 | ℃ | ISO 75-2/A |
| Glass transition temperature | 108 | ℃ | IEC 10006 |
| Vicat Softening Temp | |||
| B50 | 104 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | |||
| MD：0~50℃ | 8.0E-5 | 1/℃ | ISO 11359-2 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | B2 | DIN 4102 | |
| 1.60 mm | HB | UL 94 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.490 | ISO 489 | |
| Transmittance | 92.0 | % | ISO 13468-2 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. D65 |
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