| About |
|---|
| PLEXIGLAS® 7H is an amorphous thermoplastic molding compound (PMMA). Typical properties of PLEXIGLAS® molding compounds are: good flow high mechanical strength, surface hardness and mar resistance high light transmission excellent weather resistance free colorability due to crystal clarity. Special properties of PLEXIGLAS® 7H are: very good mechanical properties high heat deflection temperature high melt strength AMECA listing. Application: Used for extruding optical and technical profiles and sheets. Examples: sheets, tubes, multi-skin sheets, coextrusion of window profiles and similar applications&& |
| Product Description | |
|---|---|
| Supplier | ROHM |
| Generic | PMMA |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Weather resistance is good,Good liquidity,Good Hardness,Good coloring,HB |
| Availabilitys | Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 230℃，3.8 kg | 1.40 | cm³/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3200 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 76.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| fracture | 5.5 | % | ISO 527-2/5 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| 23℃ | 20 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 100 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 95.0 | ℃ | ISO 75-2/A |
| Glass transition temperature | 112 | ℃ | ISO 11357-2 |
| Vicat Softening Temp | |||
| B50 | 103 | ℃ | 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 |
| Haze | < 0.50 | % | ASTM D1003 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | < 93 | °C | |
| Drying time | 2.0 to 3.0 | hr | |
| Melt temperature | 220 to 260 | °C | |
| Nozzle temperature | 220 to 260 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. D65 |
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