| Customization: | Available |
|---|---|
| Feature: | Photodegradable |
| CAS No.: | 9011-14-7 |
|
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PMMA(polymethyl methacrylate) is a common thermoplastic. It is often referred to as Plexiglas or is known by trade names such as acrylic, Plexiglas, Acrylite, etc. PMMA has good transparency, high impact strength and weather resistance, while being easy to process and form. Therefore, it is widely used in construction, billboards (such as light boxes), sanitary ware, furniture decoration and automobile taillights and other fields.
| Property Name | Value | Unit |
|---|---|---|
| Appearance | Colourless | -- |
| Physical State | Solid | -- |
| Relative density (water = 1) | 1.19 | -- |
| Decomposition Temperature | >280 | -- |
| Melting point/freezing point | 60-100 | °C |
| Solubility in Water | Immiscible | -- |
| Specification Name | Value | Unit | Test Method | Test Condition |
|---|---|---|---|---|
| Melt flow rate at 230 °C/3.8 Kg | 3 | g/10min | ISO 1133 | -- |
| Shrinkage | 0.2 - 0.6 | % | ISO 294 | -- |
| Water absorption at 24hr | 0.3 | % | ISO 62 | -- |
| Density | 1.19 | g/cm3 | ISO 1183 | -- |
| Tensile strength at 5 mm/min | 77 | MPa | ISO 527 | -- |
| Tensile Modulus at 1 mm/min | 3300 | MPa | -- | -- |
| Elongation at 5 mm/min | 6 | % | -- | -- |
| Flexural Strength at 2 mm/min | 135 | MPa | ISO 178 | -- |
| Flexural Modulus at 2 mm/min | -- | MPa | -- | -- |
| Charpy impact strength at 1eU unnotched | 20 | KJ/m2 | ISO 179 | -- |
| Charpy impact strength at 1eA notched | 1.4 | KJ/m2 | -- | -- |
| Vicat softening temperature at B50 | 107 | °C | ISO 306 | -- |
| Heat distortion temperature at 1.8MPa | 102 | °C | ISO 75 | -- |
| Thermal expansion coefficient | 6 x 10^-5 | 1/°C | ISO 11359 | -- |
| Transmittance at 3mm | 92 | % | ISO 13468 | -- |
| Haze at 3 mm | < 0.5 | % | ISO 14782 | -- |
| Refractive Index | 1.49 | -- | ISO 489 | -- |
| Flame Rating 1.5 mm/3.0 mm | HB | Class | UL94 | -- |
| Surface resistivity | >10^16 | Ω | ASTM D 527 | -- |
| Volume Resistivity | >10^13 | Ω.m | -- | -- |
| Dielectric strength at 4 kv/sec | -- | kV/mm | ASTM D 149 | -- |
| Dielectric constant at 60 Hz | 3.7 | -- | ASTM D 150 | -- |
| Drying Temperature | 80 - 90 | °C | -- | -- |
| Drying Time | 3 - 4 | h | -- | -- |
| Injection Temperature | 220 - 260 | °C | -- | -- |
| Mold temperature | 50 - 90 | °C | -- | -- |
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