描述
Fortron 0320 is a high melt viscosity, unfilled linear polyphenylene sulfide (PPS) grade from Celanese Corporation. This grade exhibits high melt strength specifically designed for demanding extrusion processes . Fortron 0320 demonstrates excellent heat and chemical resistance, making it particularly suitable for extruding monofilament/fibers, rod, and slab .
Fortron 0320 is available in multiple forms: 0320P0 (pellets), 0320B0 (powder/flake), 0320C0 (crystallized pellets), and 0320B0/100 µm (ground powder) . This versatility allows processors to select the optimal form for their specific extrusion setup.
As a linear, semi-crystalline polymer, Fortron 0320 is relatively impermeable to gases, hydrocarbons, and other liquids compared to other materials . It provides high dimensional stability, low coefficient of friction, low shrinkage, excellent mechanical properties, good creep resistance at high temperatures, and a high continuous use temperature of 160°C to 240°C . The material is RoHS, PFOS, and PFOA 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 0320
-
High Melt Strength – Fortron 0320 exhibits high melt viscosity optimized for extrusion processes including monofilament/fiber, rod, and slab
-
Unfilled Grade – Suitable as base resin for direct extrusion or compounding applications
-
Excellent Heat Resistance – High melting temperature of 280°C; continuous use temperature up to 160–240°C ; thermal decomposition temperature up to 450°C
-
Excellent Chemical Resistance – Resists all known solvents below 200°C, acids, bases, automotive fuels, and petroleum fluids at elevated temperatures
-
Outstanding Dimensional Stability – Low shrinkage (1.2% flow / 1.5% transverse) ; low coefficient of friction
-
Very Low Moisture Absorption – 0.02% water absorption , ensuring stability in humid environments
-
Creep Resistance at High Temperatures – Maintains mechanical properties under load at elevated temperatures
-
Excellent Corrosion & Hydrolysis Resistance – Resists oxidation, hydrolysis, and paraffin buildup
-
Low Permeability – Relatively impermeable to gases, hydrocarbons, and other liquids
-
Versatile Forms – Available as pellets, powder/flake, crystallized pellets, and ground powder (100 µm)
-
Regulatory Compliance – RoHS, PFOS, and PFOA compliant
-
Global Supply – Available across North America, Europe, Asia Pacific, Latin America, Africa & Middle East
Typical Applications for Fortron 0320
| Industry | Typical Components & Considerations |
|---|---|
| Monofilament Extrusion | Extruding monofilament for drying belts, filters, and industrial fabrics |
| Fiber Extrusion | Fiber production, multifilament applications |
| Rod & Slab Extrusion | Extruded shapes for machining into custom components |
| Profile Extrusion | Profile extrusion for various industrial applications |
| Sheet & Film Extrusion | Sheet and film extrusion |
| Metal Replacement | Applications requiring metal replacement with high-performance polymer |
| Spunbond Nonwovens | Spunbond nonwoven fabric production |
Typical Properties of Fortron 0320
| Property | Value | Test Method |
|---|---|---|
| Physical | ||
| Density | 1.35 – 1.40 g/cm³ | ISO 1183 |
| Water Absorption (Saturation) | 0.02% | ISO 62 |
| Molding Shrinkage – Flow | 1.2% | ISO 294-4 |
| Molding Shrinkage – Transverse | 1.5% | ISO 294-4 |
| Mechanical | ||
| Tensile Modulus | 3500 – 4200 MPa | ISO 527 |
| Tensile Stress at Break | 90 MPa | ISO 527 |
| Tensile Strain at Break | 8% | ISO 527 |
| Flexural Modulus | 4200 MPa | ISO 178 |
| Flexural Strength | 145 MPa | ISO 178 |
| Unnotched Izod Impact | 82 kJ/m² | ISO 180 |
| Thermal | ||
| Melting Temperature | 280°C | ISO 11357 |
| Glass Transition Temperature | 90°C | ISO 11357 |
| HDT @ 1.80 MPa | 115°C | ISO 75 |
| HDT @ 8.00 MPa | 95°C | ISO 75 |
| CTE, Parallel | 52 × 10⁻⁶/K | ISO 11359 |
| CTE, Transverse | 53 × 10⁻⁶/K | ISO 11359 |
| Continuous Use Temperature | 160 – 240°C | — |
| Electrical | ||
| Volume Resistivity | 1×10⁹ Ω·m | IEC 62631 |
| Dielectric Strength | 18 kV/mm | IEC 60243 |
| Relative Permittivity (1MHz) | 4.6 | IEC 62631 |
| Dissipation Factor (1MHz) | 11 × 10⁻⁴ | IEC 62631 |
| Comparative Tracking Index (CTI) | 125 V | IEC 60112 |
| Flammability | ||
| Flammability (3 mm) | V-0 | 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 0320.
📌 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 0320. Request the latest official TDS from our sales team.
Processing Guidelines for Fortron 0320
| Step | Process |
|---|---|
| Processing Methods | Extrusion (monofilament, fiber, rod, slab, sheet, film, profile) |
| Drying Recommended | Yes (strongly recommended) |
| Drying Temperature | 120°C |
| Drying Time | 3 – 4 hours |
| Suggested Max Moisture | ≤ 0.02% |
| Optimum Melt Temperature | 310 – 320°C |
| Mold Temperature | ≥ 140°C |
| Dew Point Requirement | ≤ -30°C |
| Storage | Store in original, sealed packaging in a cool, dry place away from direct sunlight |
Critical Processing Warnings for Fortron 0320
⚠️ Drying Requirement – Fortron 0320 requires drying prior to processing despite low moisture absorption. Dry at 120°C for 3–4 hours using a dehumidifying air dryer with dew point ≤ -30°C. 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 extrusion quality .
⚠️ High Melt Strength – Fortron 0320 exhibits high melt viscosity for extrusion applications. For injection molding, a three-section screw with 15-25 D length is recommended. A shut-off nozzle is recommended for injection molding .
⚠️ Monofilament Processing – For monofilament extrusion, typical extruder temperatures range from 300–320°C, with a draw ratio of 3–4. Air quenching is recommended .
⚠️ 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.
⚠️ High Temperature Performance – Fortron 0320 maintains continuous use temperature from 160°C to 240°C with excellent creep resistance at elevated temperatures .
Comparison: Fortron 0320 vs. Fortron 0309 vs. Fortron 0214
| Feature | Fortron 0320 | Fortron 0309 | Fortron 0214 |
|---|---|---|---|
| Viscosity | High melt viscosity | High (optimized for extrusion) | High |
| Melt Strength | High melt strength | Good balance of flow and melt strength | Excellent melt strength |
| Primary Processing | Monofilament, rod, slab, profile | Monofilament/fiber extrusion, sheet, profile | Multi-filament, film, sheet |
| Available Forms | P0, B0, C0, B0/100µm | P4, B4, C4 | P1, B1, C1 |
| Tensile Modulus | 3500 – 4200 MPa | 4200 MPa | 3750 – 3800 MPa |
| Tensile Strength | 90 MPa | 90 MPa | 90 MPa |
| Elongation at Break | 8% | 8% | 3% |
| Flexural Modulus | 4200 MPa | 4200 MPa | 3750 – 3800 MPa |
| HDT @ 1.80 MPa | 115°C | 115°C | 110°C |
| CTI | 125 V | 125 V | 125 V |
All three grades share similar melting temperature (280°C), glass transition temperature (90°C), density (1.35-1.40 g/cm³), and water absorption (0.02%) .
Related Products
-
PPS/Polyphenylene Sulfide – View our full range of PPS products
-
Fortron 0309 – High viscosity PPS for monofilament and fiber extrusion
-
Fortron 0214 – High viscosity PPS for extrusion and multi-filament applications
-
Fortron 0205 – Medium viscosity PPS for compounding
-
Explore Engineering Plastics – Browse all engineering plastic materials
-
About Our Company – Learn more about our supply capabilities and quality assurance
Technical Documents for Fortron 0320
| Document Type | Description & Source |
|---|---|
| Manufacturer Official TDS | Complete physical, thermal, and mechanical properties of Fortron 0320 |
| Manufacturer Official SDS | GHS-compliant safety documentation |
| COA (Certificate of Analysis) | Batch-specific quality certification for Fortron 0320 |
| UL Yellow Card | UL safety certification |
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 0320) and document type you require.
FAQ about Fortron 0320
Q1: What is Fortron 0320?
A: Fortron 0320 is a high melt viscosity, unfilled linear polyphenylene sulfide (PPS) grade from Celanese Corporation, exhibiting high melt strength for extrusion processes, particularly monofilament/fiber, rod, and slab extrusion .
Q2: What are the key features of Fortron 0320?
A: High melt strength, excellent heat resistance (melting point 280°C), excellent chemical resistance to all solvents below 200°C, very low moisture absorption (0.02%), high dimensional stability, and creep resistance at high temperatures .
Q3: What are the typical applications for Fortron 0320?
A: Monofilament and fiber extrusion, rod and slab extrusion, profile extrusion, sheet extrusion, metal replacement applications, and spunbond nonwoven fabrics .
Q4: What forms is Fortron 0320 available in?
A: 0320P0 (pellets), 0320B0 (powder/flake), 0320C0 (crystallized pellets), and 0320B0/100 µm (ground powder) .
Q5: What is the melting temperature of Fortron 0320?
A: 280°C .
Q6: What is the recommended drying condition for Fortron 0320?
A: Dry at 120°C for 3–4 hours with maximum moisture content ≤ 0.02%, using a dehumidifying air dryer with dew point ≤ -30°C .
Q7: What is the density of Fortron 0320?
A: 1.35 – 1.40 g/cm³ .
Q8: What is the continuous use temperature of Fortron 0320?
A: 160°C to 240°C .
Q9: What regions is Fortron 0320 available in?
A: North America, Europe, Asia Pacific, Latin America, and Africa & Middle East .
Q10: Is Fortron 0320 suitable for injection molding?
A: Yes, it can be processed by injection molding in addition to extrusion .
Q11: What is the CTI rating of Fortron 0320?
A: 125 V .
Q12: What is the difference between Fortron 0320 and Fortron 0309?
A: Both are high viscosity grades for extrusion. Fortron 0320 is specifically designed for rod and slab extrusion in addition to monofilament/fiber, while Fortron 0309 is primarily optimized for monofilament and fiber applications. Fortron 0320 offers more form options including ground powder (100 µm) .
CTA (Call to Action)
Ready to order Fortron 0320?
To get a precise quotation and professional technical support for Fortron 0320, please share:
-
Required quantity (kg)
-
Destination port or delivery address
-
Target application (monofilament, rod, slab, profile extrusion, etc.)
-
Preferred form (pellets, powder, crystallized pellets, ground powder)
-
Document requirements (TDS, SDS, COA, UL docs, etc.)
Sample Policy:
-
Samples of Fortron 0320 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 0320. 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 0320 as the definitive specification.

