描述
Fortron 1131L4 is a 30% glass fiber reinforced polyphenylene sulfide (PPS) injection molding grade from Celanese Corporation. This grade is specifically designed for precision molding applications, offering low flash characteristics and good weldability in secondary operations .
With 30% glass fiber reinforcement, Fortron 1131L4 delivers exceptional stiffness and strength, including a tensile modulus of 12,200 MPa and tensile strength of 165 MPa . The material exhibits excellent heat resistance with a heat deflection temperature (HDT) of 265°C at 1.80 MPa, making it suitable for high-temperature environments .
Fortron 1131L4 is a linear, semi-crystalline PPS grade that demonstrates excellent chemical resistance to acids, bases, automotive fuels, and solvents below 200°C. It provides high dimensional stability with low and balanced molding shrinkage (0.3-0.7% parallel, 0.5-0.8% transverse) , very low moisture absorption (0.02%) , and inherent V-0 flame retardancy at thin wall sections down to 0.38 mm . The grade is RoHS and REACH compliant .
For more PPS grades and technical information, please visit our PPS/Polyphenylene Sulfide product page. You can also explore Celanese’s official Fortron PPS portfolio for additional manufacturer insights.
Key Features of Fortron 1131L4
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30% Glass Fiber Reinforcement – Enhanced mechanical properties, stiffness, and dimensional stability
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Low Flash – Designed for precision molding with minimal flash formation
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Good Weldability – Exhibits good weldability in secondary operations
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High Stiffness – Tensile modulus of 12,200 MPa; flexural modulus of 12,000 MPa
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High Strength – Tensile strength of 165 MPa; flexural strength of 255 MPa
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Excellent Heat Resistance – HDT of 265°C at 1.80 MPa; melting temperature of 280°C
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Inherent Flame Retardancy – V-0 rating at 0.38 mm and 1.5 mm thickness
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Excellent Chemical Resistance – Resists acids, bases, solvents, and automotive fuels
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High Dimensional Stability – Low shrinkage (0.3-0.7% flow, 0.5-0.8% transverse)
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Very Low Moisture Absorption – 0.02% water absorption
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Heat Stabilized – Maintains performance at elevated temperatures
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Regulatory Compliance – RoHS and REACH compliant
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Global Supply – Available across North America, Europe, Asia Pacific, Latin America, Africa & Middle East
Typical Applications for Fortron 1131L4
| Industry | Typical Components & Considerations |
|---|---|
| Electrical & Electronics | Micro switches, connectors, sensors, coil bobbins, relays – low flash for precision parts |
| Automotive | Under-the-hood components, fuel system parts, transmission components requiring chemical resistance to fuels at elevated temperatures |
| Precision Molding | Applications requiring low flash and good weldability in secondary operations |
| Industrial | Components exposed to aggressive chemicals and high temperatures |
| Metal Replacement | Applications requiring metal replacement with high-performance polymer |
Typical Properties of Fortron 1131L4
| Property | Value | Test Method |
|---|---|---|
| Physical | ||
| Density | 1.56 g/cm³ (1,560 kg/m³) | ISO 1183 |
| Water Absorption (Saturation) | 0.02% | Sim. to ISO 62 |
| Molding Shrinkage – Parallel | 0.3 – 0.7% | ISO 294-4 |
| Molding Shrinkage – Transverse | 0.5 – 0.8% | ISO 294-4 |
| Mechanical | ||
| Tensile Modulus | 12,200 MPa | ISO 527 |
| Tensile Stress at Break | 165 MPa | ISO 527 |
| Tensile Strain at Break | 1.9% | ISO 527 |
| Flexural Modulus | 12,000 MPa | ISO 178 |
| Flexural Strength | 255 MPa | ISO 178 |
| Hardness, Rockwell M | 100 | ISO 2039-2 |
| Impact | ||
| Charpy Notched Impact (23°C) | 8.0 kJ/m² | ISO 179/1eA |
| Charpy Unnotched Impact (23°C) | 42 kJ/m² | ISO 179/1eU |
| Izod Notched Impact (23°C) | 8.0 kJ/m² | ISO 180 |
| Thermal | ||
| Melting Temperature | 280°C | ISO 11357 |
| Glass Transition Temperature | 90°C | ISO 11357 |
| HDT @ 1.80 MPa | 265°C | ISO 75 |
| HDT @ 8.00 MPa | 205°C | ISO 75 |
| CTE – Parallel | 29 × 10⁻⁶/K | ISO 11359 |
| CTE – Transverse | 62 × 10⁻⁶/K | ISO 11359 |
| Electrical | ||
| Volume Resistivity | >1×10¹³ Ω·m | IEC 62631 |
| Surface Resistivity | >1×10¹⁵ Ω | IEC 62631 |
| Flammability | ||
| Flammability @ 0.38 mm | V-0 | UL 94 |
| Flammability @ 1.5 mm | V-0 | UL 94 |
Important Notes on Typical Data
📌 Values are typical – The data listed above is sourced from manufacturer data sheets for reference only and does not constitute binding product specifications for Fortron 1131L4 .
📌 Batch variations – Batch-to-batch deviations may exist. For critical applications, validate performance with batch-specific COA certificates.
📌 Final performance – Actual performance depends on processing conditions and part design. Refer to ISO testing standards for detailed methodology.
📌 Authoritative reference – The manufacturer’s official TDS shall serve as the definitive technical reference for Fortron 1131L4. Request the latest official TDS from our sales team.
Processing Guidelines for Fortron 1131L4
| Step | Process |
|---|---|
| Processing Methods | Injection Molding |
| Drying Recommended | Yes (strongly recommended) |
| Drying Temperature | 100 – 110°C |
| Drying Time | 3 – 4 hours |
| Suggested Max Moisture | ≤ 0.02% |
| Dew Point Requirement | ≤ -30°C |
| Hopper Temperature | 20 – 30°C |
| Rear Barrel Temperature | 290 – 300°C |
| Middle Barrel Temperature | 310 – 320°C |
| Front Barrel Temperature | 330 – 340°C |
| Nozzle Temperature | 310 – 330°C |
| Optimum Melt Temperature | 330 – 340°C |
| Mold Temperature | 140 – 160°C |
| Injection Speed | Fast |
| Back Pressure | < 3.0 MPa |
| Storage | Store in original, sealed packaging in a cool, dry place away from direct sunlight |
Critical Processing Warnings for Fortron 1131L4
⚠️ Drying Requirement – Fortron 1131L4 requires drying prior to processing. The use of dry air dryers with dew point ≤ -30°C is recommended due to the low maximum residual moisture content required. The time between drying and processing should be as short as possible .
⚠️ Moisture Control – Maximum residual moisture content should be ≤ 0.02% . Proper drying is essential to prevent void formation and ensure optimal part quality.
⚠️ Melt Temperature – The recommended melt temperature range is 330-340°C. Avoid exceeding 340°C to prevent material degradation .
⚠️ Low Flash Characteristics – This grade is specifically designed for low flash, making it suitable for precision molding applications where flash formation is a concern .
⚠️ Reinforced Grade – Contains 30% glass fiber reinforcement, which may require consideration for equipment wear and proper screw design.
⚠️ Weldability – This grade exhibits good weldability in secondary operations, which can be an advantage for assembly processes .
⚠️ Storage – Store in original, sealed packaging in a cool, dry place away from direct sunlight. For subsequent storage, the material should be stored dry until processed.
Comparison: Fortron 1131L4 vs. Fortron 1130L4 vs. Fortron 1130T4
| Feature | Fortron 1131L4 | Fortron 1130L4 | Fortron 1130T4 |
|---|---|---|---|
| Glass Fiber Content | 30% | 30% | 30% |
| Key Feature | Low flash, good weldability | Excellent flow, good weldability | Impact modified, thermal shock resistant |
| Primary Processing | Injection Molding | Injection Molding | Injection Molding |
| Tensile Modulus | 12,200 MPa | 12,000 MPa | 11,000 MPa |
| Tensile Strength | 165 MPa | 170 MPa | 155 – 160 MPa |
| Flexural Modulus | 12,000 MPa | 11,000 MPa | 10,000 MPa |
| Flexural Strength | 255 MPa | 170 MPa | 235 – 240 MPa |
| Charpy Notched Impact | 8.0 kJ/m² | 9 kJ/m² | 12 – 13 kJ/m² |
| HDT @ 1.80 MPa | 265°C | 255°C | 260°C |
| Density | 1.56 g/cm³ | 1.58 g/cm³ | 1.51 g/cm³ |
| Flame Retardancy | V-0 @ 0.38 mm | V-0 @ 0.8 mm | V-0 @ 0.8 mm |
| Additives | Release agent | Lubricants | Impact modifier |
Related Products
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PPS/Polyphenylene Sulfide – View our full range of PPS products
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Fortron 1130L4 – 30% glass reinforced PPS for thin-wall injection molding
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Fortron 1130T4 – 30% glass reinforced, impact modified PPS
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Fortron 1120L4 – 20% glass reinforced PPS for injection molding
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Explore Engineering Plastics – Browse all engineering plastic materials
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About Our Company – Learn more about our supply capabilities and quality assurance
Technical Documents for Fortron 1131L4
| Document Type | Description & Source |
|---|---|
| Manufacturer Official TDS | Complete physical, thermal, and mechanical properties of Fortron 1131L4 |
| Manufacturer Official SDS | GHS-compliant safety documentation |
| COA (Certificate of Analysis) | Batch-specific quality certification for Fortron 1131L4 |
| UL Yellow Card | UL safety certification (E107854) |
Request any document above by:
📧 Email: ruiqingchem@gmail.com
📝 Online form: Our contact page
We reply within one working business day. Please clearly state product (Fortron 1131L4) and document type you require.
FAQ about Fortron 1131L4
Q1: What is Fortron 1131L4?
A: Fortron 1131L4 is a 30% glass fiber reinforced polyphenylene sulfide (PPS) injection molding grade from Celanese Corporation, offering low flash characteristics and good weldability .
Q2: What are the key features of Fortron 1131L4?
A: 30% glass fiber reinforcement, low flash, good weldability, high stiffness (12,200 MPa tensile modulus), high strength (165 MPa tensile strength), HDT of 265°C, V-0 flame retardancy at 0.38 mm, heat stabilized, excellent chemical resistance, and very low moisture absorption (0.02%) .
Q3: What are the typical applications for Fortron 1131L4?
A: Micro switches, connectors, sensors, relays, automotive under-the-hood components, fuel system parts, and precision injection molded components requiring low flash and good weldability .
Q4: What is the recommended drying condition for Fortron 1131L4?
A: Dry at 100–110°C for 3–4 hours using a dehumidified air dryer with dew point ≤ -30°C. Maximum residual moisture should be ≤ 0.02% .
Q5: What is the density of Fortron 1131L4?
A: 1.56 g/cm³ (1,560 kg/m³) .
Q6: What is the HDT @ 1.80 MPa of Fortron 1131L4?
A: 265°C .
Q7: What is the molding shrinkage of Fortron 1131L4?
A: 0.3–0.7% parallel, 0.5–0.8% transverse .
Q8: What regions is Fortron 1131L4 available in?
A: North America, Europe, Asia Pacific, Latin America, Africa & Middle East .
Q9: Is Fortron 1131L4 flame retardant?
A: Yes, it has a V-0 rating at 0.38 mm thickness .
Q10: What does “low flash” mean for Fortron 1131L4?
A: Low flash means the material is designed to minimize flash formation during injection molding, making it suitable for precision molding applications where thin flash along the parting line is undesirable .
Q11: What is the difference between Fortron 1131L4 and Fortron 1130L4?
A: Both are 30% glass reinforced PPS grades. Fortron 1131L4 is specifically designed for low flash and offers higher HDT (265°C vs. 255°C) and slightly higher stiffness (12,200 MPa vs. 12,000 MPa). Fortron 1130L4 is optimized for excellent flow in thin-wall applications .
Q12: Is Fortron 1131L4 RoHS compliant?
A: Yes, it is RoHS and REACH compliant .
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Sample Policy:
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Samples of Fortron 1131L4 are for laboratory validation tests only, not for production use.
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Buyer bears international sample-shipping freight.
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If bulk-product performance deviates from sample reference, the manufacturer’s official TDS serves as the authoritative benchmark.
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After-Sales Support
| Service | Details |
|---|---|
| Quality Inspection Period | All quality-related claims must be submitted within 7 working days after delivery, supported by test data and photographic evidence. |
| Return / Exchange Policy | Confirmed product defects caused by our side trigger replacement or refund. Terms and conditions apply. |
| Logistics Damage | Report shipping damage directly to carrier immediately upon goods receipt. We assist with claim-document preparation. |
| Technical Support | Remote technical guidance available. On-site troubleshooting can be arranged upon special request. |
| Export Documentation | We supply commercial invoice, packing list, bill of lading, COA, and additional compliance certificates on request. |
Disclaimer
DISCLAIMER: All technical data is referenced from original manufacturer typical values for Fortron 1131L4 . Our company acts as supplier/trader rather than original manufacturer. Final performance depends on processing conditions and part design. Buyers shall independently validate product suitability for individual applications. Our firm bears no liability for product failure caused by improper processing or improper usage. Always reference the latest manufacturer official TDS of Fortron 1131L4 as the definitive specification.
