描述
PLEXIGLAS 8N PMMA Molding Compound Maximum Heat Resistance Optical Grade
Material: PMMA (Acrylic)
Light Transmission: 92%
Refractive Index: 1.49
Vicat: 108°C
Packing: 25kg bag / 500kg box
PLEXIGLAS 8N is an amorphous thermoplastic PMMA molding compound offering the highest heat resistance in the PLEXIGLAS N series, with a Vicat softening temperature of 108°C and HDT of 103°C at 0.45 MPa. It delivers optimum mechanical properties with a tensile modulus of 3300 MPa and stress at break of 77 MPa, combined with exceptional optical clarity of 92% light transmission and haze below 0.5%. AMECA listed, PLEXIGLAS 8N is the premium choice for demanding automotive and optical applications requiring maximum thermal stability.
PLEXIGLAS 8N offers the lowest MVR (3 cm³/10min at 230°C/3.8kg) in the N series, providing excellent melt viscosity for complex injection molding geometries. Its high glass transition temperature of 117°C ensures dimensional stability in elevated temperature environments. Typical applications include high-performance automotive lighting, optical waveguides, luminaire covers, instrument cluster covers, optical lenses, and displays requiring AMECA compliance. With excellent weather resistance, free colorability, and surface hardness, PLEXIGLAS 8N delivers superior performance for the most demanding optical and technical components.
Genuine Röhm PLEXIGLAS Imported Stock and Technical Support
We supply stable spot inventory of genuine PLEXIGLAS 8N PMMA molding compound. Official TDS, batch COA, and AMECA documentation are available for automotive, optical, and technical injection molding applications.
Request PLEXIGLAS 8N Quotation, TDS, and Sample
Complete TDS, COA, and technical documentation available
Core Advantages of PLEXIGLAS 8N PMMA Molding Compound
- Maximum heat resistance: Vicat 108°C — highest in the PLEXIGLAS N series
- Highest mechanical strength — tensile modulus 3300 MPa, stress at break 77 MPa
- Highest Tg: 117°C — excellent dimensional stability at elevated temperatures
- Excellent flow: MVR 3 cm³/10min — optimum melt viscosity for complex molding
- High light transmission: 92% — optical clarity with haze <0.5%
- AMECA listed — certified for automotive lighting and optical applications
- High HDT: 103°C (0.45 MPa) — superior heat deflection resistance
- Refractive index: 1.49 — ideal for precision optical applications
Main Applications
- High-performance automotive lighting — headlamp lenses, lighting systems (AMECA compliant)
- Optical waveguides — light transmission components
- Instrument cluster covers — dashboard display protection
- Optical lenses — precision optical components
- Displays — screen covers and display windows
- Luminaire covers — lighting diffusers and covers requiring high heat resistance
Full Technical Parameters
| Property | Typical Value | Test Method |
| Material Type | Amorphous thermoplastic (PMMA) | — |
| Density | 1.19 g/cm³ | ISO 1183 |
| Tensile Modulus (1mm/min) | 3300 MPa | ISO 527 |
| Stress at Break (5mm/min) | 77 MPa | ISO 527 |
| Strain at Break (5mm/min) | 5.5% | ISO 527 |
| Charpy Impact Strength (23°C) | 20 kJ/m² | ISO 179/1eU |
| Vicat Softening Temperature (B/50) | 108°C | ISO 306 |
| Glass Transition Temperature | 117°C | ISO 11357 |
| HDT (0.45 MPa) | 103°C | ISO 75 |
| HDT (1.8 MPa) | 98°C | ISO 75 |
| CTE (0-50°C) | 8 × 10⁻⁵ /°C | ISO 11359 |
| MVR (230°C/3.8kg) | 3 cm³/10min | ISO 1133 |
| Luminous Transmittance (d=3mm) | 92% | ISO 13468-2 |
| Haze | <0.5% | ASTM D1003 |
| Refractive Index (589nm/23°C) | 1.49 | ISO 489 |
| Flammability (UL 94, 1.5mm) | HB | IEC 60695-11-10 |
| Fire Class | E | DIN EN 13501-1 |
| AMECA Listing | Yes | — |
Note: All listed figures are typical values and may vary by production batch. Complete independent qualification testing is required before mass production deployment.
Recommended Processing Conditions
| Parameter | Recommended Value |
| Predrying Temperature | ≤98°C |
| Predrying Time (Desiccant Dryer) | 2-3 hours |
| Melt Temperature | 220-260°C |
| Mold Temperature (Injection Molding) | 60-90°C |
| Screw Type | 3-zone general purpose screw for engineering thermoplastics |
Handling and Storage Recommendations
| Storage Rules | Store in dry, cool conditions away from direct sunlight and heat sources. |
| Packaging | 25kg polyethylene bags or 500kg boxes with PE lining. |
| Predrying | Dry at ≤98°C for 2-3 hours before processing. Moisture can cause surface defects. |
| Operation Protection | Follow standard safety practices for handling thermoplastic pellets. Use appropriate PPE during processing. |
Official Technical Documentation
| Document Type | Document Introduction | Document Request |
| TDS | PLEXIGLAS 8N original factory technical data sheet | Request TDS |
| COA | Batch-specific certificate of analysis | Request COA |
Frequently Asked Questions
What is PLEXIGLAS 8N?
PLEXIGLAS 8N is an amorphous thermoplastic PMMA molding compound offering maximum heat resistance with Vicat 108°C, optimum mechanical properties, and AMECA listing for automotive optical applications.
What is the Vicat softening temperature of PLEXIGLAS 8N?
PLEXIGLAS 8N has a Vicat softening temperature (B/50) of 108°C — the highest among the 6N/7N/8N series — with HDT of 103°C at 0.45 MPa.
What is the difference between PLEXIGLAS 6N, 7N and 8N?
PLEXIGLAS 8N offers the highest heat resistance (Vicat 108°C), highest strength (77 MPa) and lowest MVR (3). 7N is mid-range (Vicat 103°C, 73 MPa, MVR 6). 6N is entry-level (Vicat 96°C, 67 MPa, MVR 12). All are optical grade with 92% transmission.
Is PLEXIGLAS 8N AMECA listed?
Yes. PLEXIGLAS 8N is AMECA listed, making it suitable for automotive lighting and optical applications requiring regulatory compliance.
What applications is PLEXIGLAS 8N suitable for?
PLEXIGLAS 8N is ideal for demanding automotive lighting, optical waveguides, luminaire covers, instrument cluster covers, optical lenses, and displays requiring maximum heat resistance and AMECA compliance.
What are the recommended processing conditions for PLEXIGLAS 8N?
Recommended conditions: predrying at ≤98°C for 2-3 hours, melt temperature 220-260°C, mold temperature 60-90°C.
Related PLEXIGLAS Products
Compare PLEXIGLAS molding compounds for different application requirements.
| Product | Vicat B/50 | Stress at Break | MVR | HDT (0.45 MPa) | AMECA | Core Application |
| PLEXIGLAS 8N | 108°C | 77 MPa | 3 | 103°C | ✅ | Maximum heat resistance |
| PLEXIGLAS 7N | 103°C | 73 MPa | 6 | 100°C | ✅ | High heat automotive |
| PLEXIGLAS 6N | 96°C | 67 MPa | 12 | — | ❌ | General optical molding |
Get PLEXIGLAS 8N Bulk Pricing and Technical Support
We supply genuine PLEXIGLAS 8N PMMA molding compound for maximum heat resistance automotive lighting, optical, and technical injection molding applications. Contact us for bulk pricing, sample availability, technical documents, and application support.
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Disclaimer: All technical data on this page are for general guidance only and are not product specifications. Buyers must carry out independent trials and verify suitability before bulk ordering. Actual values may vary between production lots.
