Factory and Activities
Specifications
General Information
| Parameter | Detail |
|---|---|
| Product Name | Polypropylene Resin S2025 |
| Brand | Kunlun |
| Polymer Type | Homopolymer Polypropylene (HP) |
| Manufacturer | PetroChina — Dushanzi Petrochemical Company |
| Production Process | Innovene gas-phase horizontal stirred bed |
| Primary Application | BCF yarn extrusion for carpet and rug manufacturing |
| Replaces | SIBEX H253FF (SIBUR, Russia) · Moplen HP552R (Iran) |
| Execution Standard | Provisional Indicators |
| Appearance | Natural particles, no impurities, no black particles |
Technical Properties
| Item | Unit | Technical Parameter | Test Method |
|---|---|---|---|
| Coloring (Color Pellets) | pcs/kg | 0 | SH/T 1541-2006 |
| Over or Undersized Pellets | g/kg | 0.6 | SH/T 1541-2006 |
| Melt Mass-Flow Rate (MFR) | g/10min | 22.4 | Q/SY DS 0513 |
| Tensile Strength at Yield | MPa | 30.5 | Q/SY DS 0515 |
| Flexural Modulus | GPa | 1.31 | Q/SY DS 0516 |
| Izod Impact Strength (23℃) | J/m | 33.2 | Q/SY DS 0517 |
| Yellow Index | - | -4.8 | Q/SY DS 0514 |
| Isotactic Index | % (wt) | 97.7 | GB/T 2412-1980 |
| Ash Content in Aggregate | % | 0.0115 | GB/T 9345.1-1988 |
Recommended Processing Conditions
| Component | Temperature Range (℃) |
|---|---|
| Barrel | 160 ～ 230 |
| Die | 180 ～ 220 |
| Melt | 180 ～ 220 |
Note: The above processing conditions are for reference only. Actual parameters should be adjusted based on specific extrusion equipment and downstream application requirements.
Applications
Bulk Continuous Filament (BCF) Yarn Production
S2025 is purpose-built for BCF yarn extrusion. The 22.4 MFR delivers a stable, high-throughput melt stream through spinnerets at spinning speeds comparable to established fiber-grade resins. The Innovene gas-phase process yields a highly uniform polymer chain structure, allowing processors to hold consistent melt temperatures across the die face. BCF yarns produced from S2025 exhibit uniform crimp, controlled shrinkage, and the physical resilience required for downstream twisting, heat-setting, and tufting operations. The natural color and low yellow index (–4.8) provide a clean base for masterbatch dope dyeing, enabling vibrant, fade-resistant coloration across solid and tricolor yarn configurations.
From BCF Yarn to Finished Carpet
Carpet manufacturers convert S2025-based BCF yarn into tufted broadloom carpets, carpet tiles, and area rugs for residential, commercial, and automotive interiors. The high isotactic index (97.7%) produces fibers with strong elastic recovery and excellent pile retention under heavy foot traffic. Polypropylene fiber resists moisture absorption, mildew, and staining — properties that make BCF carpets a practical choice for hotels, offices, exhibition halls, and vehicle cabins. Processors can specify yarn deniers from 1,000 dtex to 5,000 dtex with filament counts ranging from 90F to 200F, covering everything from lightweight loop-pile carpet tiles to dense cut-pile broadloom.
Staple Fibers and Non-Woven Fabrics
Beyond BCF yarn, S2025 also processes into staple fibers for non-woven applications. The resin features zero black particles per kilogram and extremely low ash content (0.0115%), preventing spinneret clogging during high-speed spunbond web formation. Medical and hygiene product manufacturers use S2025-based spunbond fabrics for surgical gowns, protective masks, and disposable wipes.
Cross-Reference: Equivalent Grades Replaced by S2025
S2025 serves as a direct, cost-effective alternative to two widely used fiber-grade polypropylene homopolymers from Russia and Iran. All three grades share the same core performance profile — high MFR, anti-gas-fading stabilization, and suitability for BCF yarn, continuous filament, and staple fiber production.
| Property | Kunlun S2025 (China) | SIBEX H253FF (Russia) | Moplen HP552R (Iran) |
|---|---|---|---|
| Manufacturer | PetroChina — Dushanzi Petrochemical | SIBUR — ZapSibNeftekhim | Shazand Petrochemical (Arak) |
| Polymer Type | Homopolymer PP | Homopolymer PP | Homopolymer PP |
| MFR (230°C / 2.16 kg) | 22.4 g/10 min | 25 g/10 min | 25 g/10 min |
| Tensile Strength at Yield | 30.5 MPa | 33 MPa | — |
| Flexural Modulus | 1,310 MPa | 1,300 MPa | 1,500 MPa |
| Anti-Gas-Fading Package | Yes | Yes | Yes |
| Primary Applications | BCF yarn, CF, staple fiber, non-woven | Multifilament yarn, staple fiber | BCF, CF, staple fiber, non-woven, carpet |
| Supply Risk | Stable — domestic Chinese production | Subject to sanctions and logistics disruption | Subject to sanctions and payment restrictions |
Note: Values shown are typical published figures from manufacturer datasheets. Actual batch results may vary. Contact BASTONE for current S2025 COA data.
Why Source Through BASTONE
BASTONE Petrochem operates as a listed distributor for China's top petrochemical producers, including PetroChina facilities like Dushanzi Petrochemical. We bypass spot-market traders to secure direct factory allocations of Kunlun-branded resins. Buyers receive authentic material backed by original manufacturer Technical Data Sheets (TDS), Material Safety Data Sheets (MSDS), and batch-specific COAs. Providing complete, downloadable technical documentation is a standard part of our supply chain service.
Our parent company manufactures specialty chemicals across four production sites and operates a dedicated R&D center. We do not just move shipping containers. Our technical team understands polymer compounding, BCF yarn extrusion parameters, and downstream carpet manufacturing requirements. Procurement managers at BCF spinning mills and carpet factories can consult our engineers to match specific melt flow and isotacticity requirements to their exact equipment and end-product specifications.
Zhejiang Bastone Technology Co., Ltd manages the entire export platform. Moving petrochemicals from inland facilities like Dushanzi to global markets requires precise logistics coordination. We manage inland freight to major Chinese loading ports, handle all customs documentation, and adapt packaging to meet specific container loading requirements. Buyers get predictable lead times, flexible trade terms, and transparent logistics updates from the initial purchase order to final port delivery.
Sourcing & Logistics
| Sourcing Detail | Specification |
|---|---|
| Supply Origin | PetroChina — Dushanzi Petrochemical Company (Kunlun Brand), China |
| Standard Packaging | 25kg woven bags (custom palletization and wrapping available) |
| Export Entity | Zhejiang Bastone Technology Co., Ltd |
| Documentation Provided | TDS, MSDS, Batch COA, Commercial Invoice, Packing List, Bill of Lading |
| Available Trade Terms | FOB, CIF, CFR, DDP (subject to destination port) |
| Sample Availability | Available upon request for R&D qualification and trial runs |
