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Permanent Flame Retardant High Loft Fiber for Mattress, Pillow, Outdoor Sleeping Bag
Specifications can be customized
Product Overview
The 15D*64MM 3D crimped flame retardant hollow polyester staple fiber is an upgraded filling material that solves common pain points of ordinary hollow filling fibers: insufficient loft, easy flattening, poor rebound, and surface-coated flame retardant that washes off easily.
Unlike ordinary straight single-hole hollow fiber, this product adopts a three-dimensional spiral crimp structure. Each fiber forms a natural spring-like shape, which interlocks with each other after opening to create a highly elastic three-dimensional network. This structure delivers significantly higher bulkiness, better shape retention and longer service life than straight hollow fiber.
The intrinsic copolymerization flame retardant technology integrates fire-resistant functional groups into the polyester molecular chain during polymerization. Unlike surface-coated FR fibers that easily lose effectiveness after washing or abrasion, this fiber maintains permanent, stable self-extinguishing performance.
Application Scenarios
Contract Furniture & Hospitality Bedding: Fire-safe filling for hotel sofas, guest room mattresses, pillows, seat cushions and public seating
Automotive Interior Filling: Car seat cushions, headrests, door panel padding, trunk insulation and interior sound-damping filling
Building Thermal & Fire Insulation: Fire door core filling, wall insulation cotton, sound-absorbing panels and fire-partition filling materials
Outdoor & Cold-Proof Gear: Filling for sleeping bags, outdoor cushions, thermal jackets and cold-proof equipment
Product Images
Core Features & Benefits
3D Spiral Crimped Hollow Structure: Delivers over 30% higher bulkiness and superior rebound recovery compared to ordinary straight hollow fiber
Intrinsic Copolymerization Flame Retardant: Permanent fire-resistant performance that will not wash off or degrade with use
Excellent Thermal Insulation: Multiple air cavities trap static air for superior heat retention
Optimized Processability: 15D coarse denier and 64mm standard length ensure excellent fiber opening and compatibility with automatic equipment
Low Smoke & Low Toxicity: Reduces secondary injury risk in fire scenarios and complies with strict safety standards
Virgin Material Quality: 100% virgin flame-retardant PET chips ensure consistent batch-to-batch performance
Specifications
Item
Parameter
Product Name
3D Crimped Intrinsic Flame Retardant Hollow Polyester Staple Fiber
Q1: What is the main difference between 3D crimped hollow fiber and ordinary straight hollow fiber?
A: 3D crimped hollow fiber has a three-dimensional spiral spring-like structure, delivering over 30% higher loft, superior rebound resilience and better thermal insulation than ordinary straight single-hole hollow fiber. It maintains plump shape much longer and resists compression flattening.
Q2: Is the flame retardant performance permanent? Will it wash out?
A: Yes, it adopts intrinsic copolymerization flame retardant technology. The flame retardant components are part of the polymer molecular chain, not a surface coating. They will not migrate, wash off or degrade with laundering, friction or long-term use.
Q3: Is it compatible with automatic filling production lines?
A: Yes. The 64mm standard industrial cut length delivers excellent opening performance with low broken fiber rate, and is fully compatible with high-speed fiber opening machines and automatic filling equipment.
Q4: Does it meet furniture and automotive fire safety standards?
A: It delivers stable self-extinguishing performance and low smoke emission, and is widely used in products complying with commercial furniture flame retardant standards and automotive interior fire codes.
Q5: Can we get samples for flame retardant and performance testing?
A: Yes, samples are available for flame retardancy test, loft & resilience measurement and production trial. Please contact our sales team to request sample details.
Q6: What is the lead time for bulk orders?
A: Depends on order quantity and specification requirements. Standard specifications generally ship within 7-15 working days after deposit confirmation.
Guangzhou Octopus Fiber Co., Ltd. is a manufacturer, supplier, and exporter located in Guangzhou, China. A source manufacturer focusing on the field of chemical fibers. Our polyester fibers are widely used as the main raw material in modern applications such as polyester fiber fillings, stuffed to...
Guangzhou Octopus Fiber Co., Ltd. is a manufacturer, supplier, and exporter located in Guangzhou, China. A source manufacturer focusing on the field of chemical fibers. Our polyester fibers are widely used as the main raw material in modern applications such as polyester fiber fillings, stuffed to...
