Virgin Colored Flame Retardant Polyester Staple Fiber (FR PSF)
Engineered for high-risk industrial safety, our virgin colored short fiber portfolio introduces advanced molecular modification. Phosphorus-based flame retardant agents are integrated directly into the polymer backbone prior to melt spinning. Unlike topical spray-on finishes that diminish via abrasion or washing, this intrinsic fire resistant fiber forms a robust self-extinguishing matrix that terminates combustion within 2 seconds of source removal. Designed to meet the stringent British Standard BS 5852, it guarantees minimal smoke density , zero halogen toxic off-gassing. This ultra-reliable polyester staple fiber is the global benchmark for automotive filling, protective gear liners, and contract-grade upholstery stuffing.
Empirical Burn Performance: Copolymer FR vs. Standard Polyester
Direct comparison between standard PET fiber (without flame retardant) and our molecularly modified flame-retardant short fiber under direct flame exposure.
Video Demonstration: Real-time vertical ignition test (Copolymer FR PSF vs. Standard Polyester Staple Fiber under 10-second direct butane flame contact).
Technical Specifications & Architectural Alignment
Available in diverse linear density profiles and solution-dyed color palettes to balance high filling loft with immutable safety criteria.
| Industrial Spec (Density × Cut Length) | Denier Conversion | Optimal Processing Alignment & Use-Cases |
|---|---|---|
| 8.88 dtex × 64MM | ≈ 8.0 Denier | Fine profile dedicated to high-density needle-punching. Excellent for lightweight protective garment linings and public transportation seat backings. |
| 16.67 dtex × 64MM | ≈ 15.0 Denier | Coarse, high-bulk safety wadding. Engineered for heavy industrial insulation filters, thermal safety buffers, and non-woven acoustic pads. |
| 7.78D × 65MM | 7.78 Denier | Premium dope-dyed colored PSF. Optimized for carding uniformity in OEM automotive fillings, under-hood shields, and molded trunk acoustics. |
| 15D × 64MM | 15.0 Denier | High-resilience hollow or solid configuration. Best for maximum compression recovery in luxury residential mattress cores and commercial upholstery stuffing. |
Flame Retardant Standard
BS 5852 / LOI ≥ 28%
Standard Bale Weight
450 KG / Compressed Bale
Industrial Minimum Order
5,000 KG (5 Metric Tons)
Uncompromising Structural & Thermal Advantages
- Molecular-Level Permanent Safety: Because the chemical structures are bonded into the core chain, the flame retardancy cannot wash out or abrade, outperforming standard finishes across 50+ commercial wash cycles.
- Self-Extinguishing Carbonization Barrier: Stops flame propagation instantly upon ignition-source removal. The matrix chars rather than liquefies, completely mitigating the risk of flaming molten drops in enclosed public spaces.
- Eco-Friendly, Non-Toxic Chemistry: Formulated free of halogenated gasses. Minimizes toxic smoke density outputs ($D_s\text{ max} < 300$) ensuring compliance with critical safety guidelines during transit emergencies.
- Dope-Dyed Shade Homogeneity: High-purity solution-dyeing blends pigments into the molten polymer. Delivers exceptional UV light fastness (Grade 6-7) and zero color crocking for high-exposure environments.
High-Risk Applications & Targeted Industries
🚗 Tier-1 Automotive Interiors
Premier filling material for cabin acoustic damping, engine partition padding, dash insulators, and seat linings demanding FMVSS 302 and BS 6853 fire compliance.
🏢 Contract Upholstery & Hospitality
Supplies vital, non-combustible underlying support for theater seats, hotel draperies, institutional mattresses, and public lounge furniture stuffing.
🛡️ Protective Gear & Insulation
An excellent structural component for firefighter gear padding, thermal garment layers, and technical insulation barriers satisfying EN 11612 profiles.
🎨 Specialty DIY Safety Crafts
Provides reliable consumer-level protection for custom stage props, cosplay base structures, and artisan hobbyist upholstery projects looking for true certification.
International Fire Safety & Compliance Certifications
Every deployment step undergoes extensive quality audits using Crib 5 and Crib 7 test parameters to secure seamless customs transfers for target European and global commercial centers.
OEKO-TEX® Standard 100
ISO 9001:2015 Certification
Global Recycled Standard (GRS)
High-Precision FR Extrusion Plant
Processing modified chemical matrices requires specialized slow-speed extrusion control and deep melt-homogenization. Our advanced draw lines keep molecular density strictly linear, ensuring uniform crystalline structures that guarantee predictable carding performance for all global industrial manufacturing hubs.
Global B2B Supply Chain & Fulfillment Workflow
FR Parameter Specification & RfQ
Specify your desired color matching indices, linear density requirements (dtex/Denier), and structural web goals. Our engineers provide a tailored commercial outline and accurate Technical Data Sheets (TDS).
Lab Sample Verification & Burn Testing
We ship loose fiber samples or carded wadding blocks for industrial trial runs and fire testing chamber evaluations. Mass production begins directly upon your approval.
High-Density Hydraulic Consolidation
The inherently fire-safe fibers are consolidated into highly dense, uniform compressed bales wrapped inside robust poly-woven membranes to maximize container capacity.
Ocean Transport & Customs Transfer
Finished cargo bales are secured inside 20GP or 40HQ container slots. Crucial shipping manifests (Bill of Lading, Certificate of Origin, Safety Compliance Sheets) are distributed rapidly for a seamless import experience.
