描述
Fortron 1141L4 is a 40% glass fiber reinforced polyphenylene sulfide (PPS) injection molding grade from Celanese Corporation. This grade is specifically designed to exhibit low flash, making it particularly suitable for applications with thicker walls and shorter flow lengths .
With 40% glass fiber reinforcement, Fortron 1141L4 delivers exceptional mechanical performance, including a tensile modulus of 15,500 MPa and tensile strength of 195 MPa . It exhibits outstanding heat resistance with a heat deflection temperature (HDT) of 270°C at 1.80 MPa , and V-0 flame retardancy at 0.38mm thickness .
Fortron 1141L4 is a linear, semi-crystalline PPS grade that is relatively impermeable to gases, hydrocarbons, and other liquids compared to other materials . It provides high dimensional stability, low coefficient of friction, low shrinkage (0.2-0.6% parallel, 0.4-0.6% transverse), excellent mechanical properties, creep resistance at high temperatures, a high continuous use temperature (160°C to 240°C), and very low moisture absorption (0.02%) .
This grade offers high hardness, high rigidity, and a good balance of strength and stiffness . It exhibits excellent resistance to corrosion, hydrolysis, oxidation, heat, and paraffin buildup . Shows excellent chemical resistance to all solvents below 200°C, acids, bases, typical and alternative automotive fuels, and petroleum fluids at elevated temperatures . The material is RoHS, PFOS, and PFOA compliant and is suitable for lead-free soldering and metal replacement applications .
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 1141L4
-
40% Glass Fiber Reinforcement – High stiffness and strength for demanding applications
-
Low Flash – Specifically designed for low flash formation, ideal for thick-wall parts and shorter flow lengths
-
High Strength – Tensile strength of 195 MPa
-
High Stiffness – Tensile modulus of 15,500 MPa; flexural modulus of 14,800 MPa
-
Excellent Heat Resistance – HDT of 270°C at 1.80 MPa; melting temperature of 280°C; continuous use up to 240°C
-
Inherent Flame Retardancy – V-0 at 0.38mm and 1.5mm thickness
-
High Hardness – Excellent surface durability
-
Excellent Chemical Resistance – Resists all solvents below 200°C, acids, bases, automotive fuels, and petroleum fluids
-
Very Low Moisture Absorption – 0.02% water absorption, ensuring dimensional stability
-
Good Dimensional Stability – Low shrinkage and stable dimensions
-
Regulatory Compliance – RoHS, PFOS, and PFOA compliant
-
Global Supply – Available across North America, Europe, South and Central America, Asia Pacific, Near East/Africa
Typical Applications for Fortron 1141L4
| Industry | Typical Components & Considerations |
|---|---|
| Thick-Wall Injection Molding | Parts with thicker walls and shorter flow lengths where low flash is critical |
| Electrical & Electronics | Connectors, sensors, bobbins, lamp housings – requiring low flash and V-0 flammability |
| Automotive | Under-the-hood components, fuel system parts – requiring chemical resistance at elevated temperatures |
| Lead-Free Soldering | Suitable for lead-free soldering applications |
| Metal Replacement | Applications requiring metal replacement with high-performance polymer |
Typical Properties of Fortron 1141L4
| Property | Value | Test Method |
|---|---|---|
| Physical | ||
| Density | 1.65 g/cm³ (1650 kg/m³) | ISO 1183 |
| Water Absorption (Saturation) | 0.02% | Sim. to ISO 62 |
| Molding Shrinkage – Parallel | 0.2 – 0.6% | ISO 294-4 |
| Molding Shrinkage – Transverse | 0.4 – 0.6% | ISO 294-4 |
| Mechanical | ||
| Tensile Modulus | 15,500 MPa | ISO 527-2/1A |
| Tensile Stress at Break | 195 MPa | ISO 527-2/1A/5 |
| Tensile Strain at Break | 1.9% | ISO 527-2/1A/5 |
| Flexural Modulus | 14,800 MPa | ISO 178 |
| Flexural Strength | 290 MPa | ISO 178 |
| Impact | ||
| Charpy Notched Impact (23°C) | 12 kJ/m² | ISO 179/1eA |
| Charpy Notched Impact (-30°C) | 12 kJ/m² | ISO 179/1eA |
| Charpy Unnotched Impact (23°C) | 53 kJ/m² | ISO 179/1eU |
| Thermal | ||
| Melting Temperature | 280°C | ISO 11357-1/-3 |
| Glass Transition Temperature | 90°C | ISO 11357-1/-3 |
| HDT @ 1.80 MPa | 270°C | ISO 75-1/-2 |
| Continuous Use Temperature | 160 – 240°C | — |
| Flammability | ||
| Flammability @ 0.38mm | V-0 | UL 94 / IEC 60695-11-10 |
| Flammability @ 1.5mm | V-0 | UL 94 / IEC 60695-11-10 |
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 1141L4 .
📌 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 1141L4. Request the latest official TDS from our sales team.
Processing Guidelines for Fortron 1141L4
| Step | Process |
|---|---|
| Processing Methods | Injection Molding |
| Drying Recommended | Yes |
| Drying Temperature | 130 – 140°C |
| Drying Time | 2 – 4 hours |
| Suggested Max Moisture | ≤ 0.02% |
| Dew Point Requirement | ≤ -30°C |
| Melt Temperature Range | 320 – 340°C |
| Optimum Melt Temperature | 330°C |
| Mold Temperature | ≥ 140°C |
| Injection Rate | Medium |
| Screw Length | 15 – 25 D (three-section screw) |
| Shut-off Nozzle | Preferred to free-flow nozzle |
| Storage | Store in original, sealed packaging in a cool, dry place away from direct sunlight |
Critical Processing Warnings for Fortron 1141L4
⚠️ Drying Requirement – Fortron 1141L4 requires drying prior to processing. Predrying in a dehumidified air dryer at 130–140°C for 3–4 hours is recommended . The time between drying and processing should be as short as possible .
⚠️ Moisture Control – Maximum residual moisture content should be ≤ 0.02% . Use of dry air dryers with dew point ≤ -30°C is recommended .
⚠️ Melt Temperature – The recommended melt temperature range is 320–340°C, with an optimum of 330°C. Avoid exceeding 340°C to prevent material degradation .
⚠️ Mold Temperature – Minimum mold wall temperature of 140°C is required to achieve maximum crystallization potential .
⚠️ Low Flash Design – This grade is specifically designed for low flash. For optimal results, ensure all mold cavities are effectively vented .
⚠️ Reinforced Grade – Contains 40% glass fiber reinforcement, which may require consideration for equipment wear and proper screw design. A shut-off nozzle is preferred to a free-flow nozzle .
⚠️ 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 1141L4 vs. Other 40% Glass Reinforced PPS Grades
| Feature | Fortron 1141L4 | Fortron 1140L4 | Fortron 1140L6 | Fortron 1140T4 |
|---|---|---|---|---|
| Key Feature | Low flash | Standard injection molding | Easy flow, thin-wall | Impact modified, thermal shock |
| Tensile Modulus | 15,500 MPa | 14,700 MPa | 14,700 MPa | 14,500 MPa |
| Tensile Strength | 195 MPa | 195-200 MPa | 195-200 MPa | 180-185 MPa |
| HDT @ 1.80 MPa | 270°C | 265-270°C | 265-270°C | 265°C |
| Density | 1.65 g/cm³ | 1.60-1.65 g/cm³ | 1.60-1.65 g/cm³ | 1.61 g/cm³ |
| Primary Use | Thick-wall, low flash parts | General injection molding | Thin-wall, long flow parts | Thermal shock resistance |
Related Products
-
PPS/Polyphenylene Sulfide – View our full range of PPS products
-
Fortron 1140L4 – 40% glass reinforced PPS, standard injection molding grade
-
Fortron 1140L6 – 40% glass reinforced PPS, easy flow for thin-wall applications
-
Fortron 1140L4 HR – 40% glass reinforced PPS with improved hydrolysis resistance
-
Fortron 1140T4 – 40% glass reinforced, impact modified PPS
-
Fortron 1131L4 – 30% glass reinforced, low flash PPS
-
Explore Engineering Plastics – Browse all engineering plastic materials
-
About Our Company – Learn more about our supply capabilities and quality assurance
Technical Documents for Fortron 1141L4
| Document Type | Description & Source |
|---|---|
| Manufacturer Official TDS | Complete physical, thermal, and mechanical properties of Fortron 1141L4 |
| Manufacturer Official SDS | GHS-compliant safety documentation |
| COA (Certificate of Analysis) | Batch-specific quality certification for Fortron 1141L4 |
| 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 1141L4) and document type you require.
FAQ about Fortron 1141L4
Q1: What is Fortron 1141L4?
A: Fortron 1141L4 is a 40% glass fiber reinforced PPS injection molding grade from Celanese, offering low flash characteristics for thick-wall applications with shorter flow lengths .
Q2: What are the key features of Fortron 1141L4?
A: 40% glass reinforcement; low flash; tensile strength 195 MPa; HDT 270°C; V-0 at 0.38mm; excellent heat and chemical resistance; high hardness with good balance of strength and stiffness .
Q3: What are the typical applications for Fortron 1141L4?
A: Thick-wall injection molded parts, electrical components, automotive under-the-hood components, lead-free soldering applications, and metal replacement applications .
Q4: What is the recommended drying condition for Fortron 1141L4?
A: Dry at 130–140°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 1141L4?
A: 1.65 g/cm³ (1650 kg/m³) .
Q6: What is the HDT @ 1.80 MPa of Fortron 1141L4?
A: 270°C .
Q7: What regions is Fortron 1141L4 available in?
A: North America, Europe, South and Central America, Asia Pacific, Near East/Africa .
Q8: Is Fortron 1141L4 flame retardant?
A: Yes, V-0 at 0.38mm and 1.5mm thickness (UL 94) .
Q9: What does “low flash” mean for Fortron 1141L4?
A: Low flash means the material is specifically designed to minimize flash formation during injection molding, making it particularly suitable for applications with thicker walls and shorter flow lengths .
Q10: What is the difference between Fortron 1141L4 and Fortron 1140L4?
A: Both are 40% glass reinforced PPS grades. Fortron 1141L4 is specifically designed for low flash for thick-wall parts, while Fortron 1140L4 is a general injection molding grade. Fortron 1141L4 offers slightly higher stiffness (15,500 MPa vs. 14,700 MPa) .
Q11: Is Fortron 1141L4 RoHS compliant?
A: Yes, it complies with RoHS, PFOS, and PFOA regulations .
Q12: What color options are available for Fortron 1141L4?
A: Natural and Black (SD3002) .
CTA (Call to Action)
Ready to order Fortron 1141L4?
To get a precise quotation and professional technical support for Fortron 1141L4, please share:
-
Required quantity (kg)
-
Destination port or delivery address
-
Target application (injection molding, automotive, electrical, thick-wall parts, etc.)
-
Preferred color (natural or black)
-
Document requirements (TDS, SDS, COA, UL docs)
Sample Policy:
-
Samples of Fortron 1141L4 are for laboratory validation tests only, not for production use.
-
Buyer bears international sample-shipping freight.
-
If bulk-product performance deviates from sample reference, the manufacturer’s official TDS serves as the authoritative benchmark.
Take action now:
📧 Email Us – ruiqingchem@gmail.com
📝 Send Inquiry – Use our quick inquiry form
💬 Live Chat – Click the bottom-right chat widget to speak directly with our team
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 1141L4 . 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 1141L4 as the definitive specification.
