描述
PLEXIGLAS Resist zk4BR Impact Modified PMMA High Rigidity AMECA Listed
Material: PMMA-I (Impact Modified)
Tensile Modulus: 2800 MPa
Light Transmission: 92%
AMECA: Listed
Packing: 25kg bag / 500kg box
PLEXIGLAS Resist zk4BR is an amorphous, impact-modified thermoplastic molding compound (PMMA-I) offering the highest rigidity in the PLEXIGLAS Resist series. With a tensile modulus of 2800 MPa, yield stress of 71 MPa, and Vicat softening temperature of 102°C, this material delivers excellent structural strength and dimensional stability for demanding applications. AMECA listed, PLEXIGLAS Resist zk4BR combines high rigidity with 92% light transmission, brilliant appearance, and improved resistance to stress cracking.
PLEXIGLAS Resist zk4BR offers a balanced property profile with Charpy impact strength of 25 kJ/m², nominal strain at break of 19%, and haze below 1.5%, providing excellent optical clarity and good impact resistance. Its high weather resistance, pleasant feel, and sound properties make it ideal for consumer and industrial applications. Processable by extrusion, coextrusion of sheets and profiles, as well as injection molding, with melt temperature range of 220-260°C and mold temperature of 50-70°C. Typical applications include luminaire covers, extruded hollow profiles, writing instruments, appliance housings, window profiles, gutters, downspouts, and housewares.
Genuine Röhm PLEXIGLAS Imported Stock and Technical Support
We supply stable spot inventory of genuine PLEXIGLAS Resist zk4BR impact-modified PMMA. Official TDS, batch COA, and AMECA documentation are available for extrusion, coextrusion, and injection molding applications.
Request PLEXIGLAS Resist zk4BR Quotation, TDS, and Sample
Complete TDS, COA, and technical documentation available
Core Advantages of PLEXIGLAS Resist zk4BR Impact Modified PMMA
- Highest rigidity: 2800 MPa — excellent structural strength and dimensional stability
- Highest light transmission: 92% — superior optical clarity with haze <1.5%
- Highest heat resistance: Vicat 102°C — highest Vicat in the Resist series
- Impact modified (PMMA-I) — improved toughness and stress cracking resistance
- High yield stress: 71 MPa — excellent mechanical strength
- AMECA listed — certified for automotive and construction regulatory compliance
- Balanced property profile — optimal combination of rigidity, clarity, and impact resistance
- Versatile processing — suitable for extrusion, coextrusion, and injection molding
Main Applications
- Luminaire covers — extruded and injection-molded lighting covers
- Extruded hollow profiles — durable profiles for various applications
- Writing instruments — stencils, fountain pens, and other writing utensils
- Appliance housings — durable enclosures for appliances
- Coextruded window profiles — window frames, gutters, and downspouts
- Housewares — cutlery handles, bowls, cookie jars
Full Technical Parameters
| Property | Typical Value | Test Method |
| Material Type | Impact-modified PMMA (PMMA-I) | — |
| Density | 1.18 g/cm³ | ISO 1183 |
| Tensile Modulus (1mm/min) | 2800 MPa | ISO 527 |
| Yield Stress (50mm/min) | 71 MPa | ISO 527 |
| Yield Strain (50mm/min) | 4.5% | ISO 527 |
| Nominal Strain at Break | 19% | ISO 527 |
| Charpy Impact Strength (23°C) | 25 kJ/m² | ISO 179/1eU |
| Vicat Softening Temperature (B/50) | 102°C | ISO 306 |
| Glass Transition Temperature | 108°C | ISO 11357 |
| HDT (0.45 MPa) | 99°C | ISO 75 |
| HDT (1.8 MPa) | 95°C | ISO 75 |
| CTE (0-50°C) | 8 × 10⁻⁵ /°C | ISO 11359 |
| MVR (230°C/3.8kg) | 4.5 cm³/10min | ISO 1133 |
| Luminous Transmittance (d=3mm) | 92% | ISO 13468-2 |
| Haze | <1.5% | ASTM D1003 |
| Refractive Index (589nm/23°C) | 1.49 | ISO 489 |
| Water Absorption (saturation, 23°C) | 2% | ISO 62 |
| Humidity Absorption (23°C/50% RH) | 0.6% | ISO 62 |
| 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 / Coextrusion / Injection Molding |
| Predrying Temperature | ≤90°C |
| Predrying Time (Desiccant Dryer) | 2-3 hours |
| Melt Temperature | 220-260°C |
| Mold Temperature (Injection Molding) | 50-70°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 ≤90°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 Resist zk4BR original factory technical data sheet | Request TDS |
| COA | Batch-specific certificate of analysis | Request COA |
Frequently Asked Questions
What is PLEXIGLAS Resist zk4BR?
PLEXIGLAS Resist zk4BR is an impact-modified thermoplastic PMMA-I molding compound offering the highest rigidity (2800 MPa), highest light transmission (92%), and highest heat resistance (Vicat 102°C) in the Resist series, with AMECA listing for extrusion and injection molding applications.
What is the tensile modulus of PLEXIGLAS Resist zk4BR?
PLEXIGLAS Resist zk4BR has a tensile modulus of 2800 MPa — the highest in the Resist series — providing excellent rigidity and dimensional stability for demanding structural applications.
What is the difference between PLEXIGLAS Resist zk4BR and zk5BR?
PLEXIGLAS Resist zk4BR offers higher rigidity (2800 MPa vs 2400 MPa), higher heat resistance (Vicat 102°C vs 100°C), higher light transmission (92% vs 92%), while zk5BR offers higher impact strength (50 kJ/m² vs 25 kJ/m²) and higher toughness.
What applications is PLEXIGLAS Resist zk4BR suitable for?
PLEXIGLAS Resist zk4BR is ideal for extruded and injection-molded luminaire covers, extruded hollow profiles, writing instruments, appliance housings, coextruded window profiles, gutters, downspouts, and housewares requiring high rigidity and optical clarity.
Is PLEXIGLAS Resist zk4BR AMECA listed?
Yes. PLEXIGLAS Resist zk4BR is AMECA listed, making it suitable for automotive and construction applications requiring regulatory compliance.
What are the processing conditions for PLEXIGLAS Resist zk4BR?
Recommended conditions: predrying at ≤90°C for 2-3 hours, melt temperature 220-260°C, mold temperature 50-70°C. Process on machines with 3-zone general purpose screws for engineering thermoplastics.
What is the light transmission of PLEXIGLAS Resist zk4BR?
PLEXIGLAS Resist zk4BR offers 92% luminous transmittance with haze below 1.5%, the highest optical clarity in the Resist series.
Related PLEXIGLAS Products
Compare PLEXIGLAS molding compounds for different application requirements.
| Product | Type | Tensile Modulus | Impact Strength | Key Feature |
| Resist zk4BR | PMMA-I | 2800 MPa | 25 kJ/m² | High rigidity, 92% transmission |
| Resist zk5BR | PMMA-I | 2400 MPa | 50 kJ/m² | High impact, AMECA |
| Resist zk6BR | PMMA-I | 1800 MPa | 80 kJ/m² | Maximum toughness, AMECA |
Get PLEXIGLAS Resist zk4BR Bulk Pricing and Technical Support
We supply genuine PLEXIGLAS Resist zk4BR impact-modified PMMA for extrusion, coextrusion, and injection molding applications requiring high rigidity and optical clarity. Contact us for bulk pricing, sample availability, technical documents, and application support.
Request PLEXIGLAS Resist zk4BR 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.
