Product Overview
Our Industrial-Grade PET (Polyester) Needle Punched Nonwoven Fabric is an engineered, non-chemical bonded substrate manufactured via advanced mechanical carding, cross-lapping, and high-density needle-punching processes. Utilizing 100% premium virgin polyester or GRS-certified recycled PET (RPET) fibers, it forms a highly cohesive, three-dimensional porous matrix. This material delivers isotropic mechanical strength, exceptional puncture resistance, low thermal shrinkage, and outstanding chemical inertness. Fully compliant with global regulatory and safety frameworks (ISO, REACH, RoHS, GRS), it serves as a critical, high-performance solution for civil engineering, automotive OEMs, high-efficiency filtration media, and industrial construction.
Key Engineering Features
Isotropic Mechanical Performance: Optimized cross-lapping technology ensures an ideal MD/CD (Machine/Cross Direction) strength ratio, minimizing weak points under multidirectional stress.
High CBR Puncture & Burst Resistance: Engineered to withstand severe mechanical energy, preventing puncture propagation under sharp-aggregate loads or heavy packaging stresses.
Controlled Hydrodynamic Permeability: Delivers predictable, high-flux hydraulic discharge while maintaining precision microscopic retention for optimal filtration and separation.
Thermal Resilience & Low Shrinkage: Operates continuously at temperatures up to 150°C (302°F) with minimal dimensional distortion, critical for automotive molding and hot liquid filtration.
Chemical & Biological Inertness: Highly resistant to soil acids, alkalis, hydrocarbons, microbial attack, and long-term UV-induced degradation.
High Post-Processing Compatibility: Perfectly suited for secondary processes including singeing, calendering, laminating, PTFE coating, and custom die-cutting.
Technical Specifications & International Test Standards
| Property | Specification Range | International Test Standard |
| Material Composition | 100% Virgin PET / GRS Recycled PET (RPET) | FTIR Polymer Analysis / GRS Certified |
| Mass Per Unit Area | 80 gsm to 2000 gsm (Within 5% Tolerance) | ASTM D3776 / ISO 9073-1 / EN 965 |
| Thickness | 0.5 mm to 20.0 mm (Within 0.2 mm) | ASTM D5729 / ISO 9073-2 / EN 964-1 |
| Roll Width | 50 cm to 320 cm (Custom slitting available) | Custom Option |
| Grab Tensile Strength | Custom engineered (e.g., 1600 N or higher for 400gsm) | ASTM D4632 / ISO 10319 |
| CBR Puncture Resistance | Based on custom specifications | ASTM D6241 / ISO 12236 |
| Apparent Opening Size (AOS) | 0.05 mm to 0.30 mm (Customizable) | ASTM D4751 / ISO 12956 |
| Water Permeability | High flux, velocity controlled | ASTM D4491 / ISO 11058 |
| Surface Finish | Singed, Calendered, Double-side Heat-set | Mechanical Finished |
| Regulatory Compliance | ISO 9001:2015, ISO 14001:2015, REACH, RoHS | Third-Party Lab Certified (SGS / TUV) |
Engineering Application Matrix & Spec Selection Guide
Geotextiles & Civil Engineering
Recommended Specs: 200gsm to 800gsm (White or Grey)
Applications: Subgrade stabilization for high-speed railways and highways, landfill liner protection, coastal erosion control, drainage systems.
Standards: ASTM D4595, ISO 10319.
Automotive Insulation & Interior Linings
Recommended Specs: 150gsm to 400gsm (Black, Grey, or Charcoal)
Applications: Thermoformed wheel arch liners, trunk side trims, carpet backings, underbody shields, dash insulators, parcel shelves.
Standards: Meets FMVSS 302 flammability requirements.
Industrial Filtration Systems
Recommended Specs: 300gsm to 650gsm (Singeing or Calendering on one or both sides)
Applications: HVAC air filtration, cement/steel plant dust collector filter bags, industrial liquid filtration, oil-water separation mats.
Construction, Roofing & Soundproofing
Recommended Specs: 100gsm to 1500gsm (Custom thickness)
Applications: Bituminous roofing membrane substrates, under-slab vapor barriers, acoustic wall panels, thermal insulation blankets.
Quality Control & Production Workflow
Raw Material Spectroscopy: Incoming PET/RPET staple fibers undergo strict testing for melting point, denier uniformity, and breaking tenacity.
Computerized Blending & Opening: Multi-stage automated bale openers ensure perfectly uniform fiber homogenization (critical for colored and FR blended batches).
Laser-Guided Web Forming: Advanced carding and cross-lapping machines with online profiling ensure optimal fiber orientation and uniform basis weight across the entire width.
Precision Needle Inversion: Computerized needle-density control locks fibers to exact engineering targets for tensile and puncture strength.
Logistics & Packing
Marine-Grade Dual Layer Packaging: Inner layer sealed with heavy-duty moisture-proof transparent PE film; outer layer protected by high-density woven polypropylene bags to survive complex maritime transits and salt-spray.
Volumetric Space Optimization (CBM Optimization): We adjust winding tension and vacuum-pack options based on container configurations (20GP/40HQ) to maximize loading capacity and minimize ocean freight costs per ton for the importer.
FAQ
Q: Can we receive GRS Transaction Certificates (TC) for our recycled PET nonwoven fabric orders?
A: Absolutely. We operate a fully certified GRS supply chain. When you place an order for GRS-certified Recycled PET, we will submit a Transaction Certificate (TC) application to our official registry body upon shipment dispatch. This certificate legally authenticates the post-consumer recycled origin of your product, allowing you to pass customs green audits and satisfy your brand's regulatory compliance.
Q: What is your standard lead time for customized technical parameters or coatings?
A: For standard white/black/grey fabrics, our lead time is 7 to 10 days. For specialized specifications requiring chemical coatings (e.g., flame retardant, anti-static, oleophobic finishes), the lead time is 12 to 15 days depending on the formulation and testing queue in our facility.
Q: What are the standard payment and trade terms for major international orders?
A: We standardly operate on FOB, CIF, CFR, and door-to-door DDP/DDU terms. For payment, we accept T/T (30% deposit, 70% against B/L copy) or 100% Irrevocable Letter of Credit (L/C) at sight. For trial orders and sample air freight, secure channels like PayPal or Western Union are available.
