描述
PLEXIGLAS 8H PMMA Extrusion Grade Highest Melt Strength
Material: PMMA (Acrylic)
Process: Extrusion
MVR: 0.8 cm³/10min
Vicat: 108°C
Packing: 25kg bag / 500kg box
PLEXIGLAS 8H is a high-performance PMMA extrusion compound offering the highest melt strength in the PLEXIGLAS extrusion series. With an extremely low MVR of 0.8 cm³/10min at 230°C/3.8kg — the lowest in the PLEXIGLAS product line — it delivers maximum melt stability for demanding extrusion applications including large sheets, tubes, multi-skin sheets, and window profile coextrusion. It combines the familiar properties of PLEXIGLAS molding compounds — 92% light transmission, outstanding weather resistance, high mechanical strength, surface hardness, and mar resistance — with the highest heat resistance (Vicat 108°C) and AMECA listing.
PLEXIGLAS 8H offers optimum mechanical properties with a tensile modulus of 3300 MPa, stress at break of 78 MPa, and strain at break of 6.5%. Its extremely high melt strength ensures stable processing of complex extrusion geometries, while its excellent optical clarity and free colorability make it ideal for architectural, automotive, and technical extrusion applications. Processable on extruders with 3-zone general purpose screws for engineering thermoplastics at melt and die temperatures of 220-260°C.
Genuine Röhm PLEXIGLAS Imported Stock and Technical Support
We supply stable spot inventory of genuine PLEXIGLAS 8H PMMA extrusion compound. Official TDS, batch COA, and AMECA documentation are available for demanding sheet, tube, and profile extrusion applications.
Request PLEXIGLAS 8H Quotation, TDS, and Sample
Complete TDS, COA, and technical documentation available
Core Advantages of PLEXIGLAS 8H PMMA Extrusion Compound
- Highest melt strength: MVR 0.8 — the lowest MVR in the PLEXIGLAS series for maximum extrusion stability
- Highest heat resistance: Vicat 108°C — superior thermal stability for demanding applications
- Extrusion grade — specially formulated for sheets, tubes, multi-skin sheets, and coextrusion
- Optimum mechanical properties — tensile modulus 3300 MPa, stress at break 78 MPa
- High light transmission: 92% — excellent optical clarity for architectural and technical applications
- AMECA listed — certified for automotive and construction regulatory compliance
- Excellent weather resistance — UV stable for outdoor and long-term use
- Free colorability — crystal clarity allows custom color formulations
Main Applications
- Extruded sheets — high-quality solid sheets for glazing, signage, and architectural applications
- Tubes and pipes — precision extruded tubes for lighting and technical applications
- Multi-skin sheets — lightweight structured sheets for construction and signage
- Coextrusion of window profiles — high-performance decorative and functional window profile layers
- Technical profiles — custom extruded profiles requiring maximum melt strength and heat resistance
Full Technical Parameters
| Property | Typical Value | Test Method |
| Material Type | Amorphous thermoplastic (PMMA) | — |
| Processing Method | Extrusion | — |
| Density | 1.19 g/cm³ | ISO 1183 |
| Tensile Modulus (1mm/min) | 3300 MPa | ISO 527 |
| Stress at Break (5mm/min) | 78 MPa | ISO 527 |
| Strain at Break (5mm/min) | 6.5% | ISO 527 |
| Charpy Impact Strength (23°C) | 20 kJ/m² | ISO 179/1eU |
| Vicat Softening Temperature (B/50) | 108°C | ISO 306 |
| CTE (0-50°C) | 8 × 10⁻⁵ /°C | ISO 11359 |
| MVR (230°C/3.8kg) | 0.8 cm³/10min | ISO 1133 |
| Luminous Transmittance (d=3mm) | 92% | ISO 13468-2 |
| 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 |
| Processing Method | Extrusion (3-zone general purpose screws) |
| Predrying Temperature | ≤98°C |
| Predrying Time (Desiccant Dryer) | 2-3 hours |
| Melt Temperature | 220-260°C |
| Die Temperature (Extrusion) | 220-260°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 8H original factory technical data sheet | Request TDS |
| COA | Batch-specific certificate of analysis | Request COA |
Frequently Asked Questions
What is PLEXIGLAS 8H?
PLEXIGLAS 8H is a high-performance PMMA extrusion compound offering the highest melt strength (MVR 0.8) and highest heat resistance (Vicat 108°C) in the PLEXIGLAS extrusion series, with AMECA listing for demanding sheet, tube, and multi-skin extrusion applications.
What is the difference between PLEXIGLAS 7H and 8H?
PLEXIGLAS 8H offers higher heat resistance (Vicat 108°C vs 103°C), higher strength (78 MPa vs 76 MPa), higher elongation (6.5% vs 5.5%), lower MVR (0.8 vs 1.4), and higher tensile modulus (3300 MPa vs 3200 MPa), delivering maximum performance for demanding extrusion applications.
What is the MVR of PLEXIGLAS 8H?
PLEXIGLAS 8H has an MVR of 0.8 cm³/10min at 230°C/3.8kg, the lowest in the PLEXIGLAS extrusion series, providing maximum melt strength for stable processing of large profiles and multi-skin sheets.
What applications is PLEXIGLAS 8H suitable for?
PLEXIGLAS 8H is ideal for demanding extruded sheets, tubes, multi-skin sheets, coextrusion of window profiles, and similar extrusion applications requiring maximum melt strength and heat resistance.
Is PLEXIGLAS 8H AMECA listed?
Yes. PLEXIGLAS 8H is AMECA listed, making it suitable for automotive and construction applications requiring regulatory compliance.
What are the processing conditions for PLEXIGLAS 8H?
Recommended conditions: predrying at ≤98°C for 2-3 hours, melt and die temperature 220-260°C. Process on extruders with 3-zone general purpose screws for engineering thermoplastics.
Related PLEXIGLAS Products
Compare PLEXIGLAS molding compounds for different processing and application requirements.
| Product | Processing | MVR | Vicat B/50 | Stress at Break | Core Application |
| PLEXIGLAS 8H | Extrusion | 0.8 | 108°C | 78 MPa | Maximum performance extrusion |
| PLEXIGLAS 7H | Extrusion | 1.4 | 103°C | 76 MPa | High melt strength extrusion |
| PLEXIGLAS 7M | Extrusion | — | — | — | Lighting profiles, panels |
Get PLEXIGLAS 8H Bulk Pricing and Technical Support
We supply genuine PLEXIGLAS 8H PMMA extrusion compound for demanding sheet, tube, multi-skin sheet, and profile extrusion applications. Contact us for bulk pricing, sample availability, technical documents, and application support.
Request PLEXIGLAS 8H Technical Details
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.
