Mattress Topper Fill Fiber — Polyester Wadding for Mattress Manufacturers
- Mattress topper fill fiber, or polyester wadding, is a high-loft material used to create a soft, cushioned comfort layer in mattress manufacturing.
- Utilizing Hollow Conjugate Siliconized (HCS) technology, it provides excellent structural recovery and “spring-back” to prevent sagging over time.
- It is a breathable, hypoallergenic, and cost-effective alternative to foam, making it ideal for large-scale production of pressure-relieving toppers.
PRODUCT DETAIL
Why Mattress Toppers Need Conjugate Crimp
The mattress topper is the fill application with the most demanding loft recovery requirement: sustained body weight compression for 7–9 hours every night, repeated every day for 3–5 years—approximately 1,000–1,800 compression-recovery cycles over the product lifetime. The fiber that delivers reliable loft recovery through this cycle count is conjugate crimped HCS; no other fill fiber specification meets this test.
- Mechanical crimp fiber fails progressively: 2D zigzag crimp relaxes under sustained loading. By 500 cycles, a mechanically crimped topper has lost 20–35% of original loft. By 1,000 cycles, 40–50% loft loss is common. Consumers experience this as a topper that ‘went flat’ within its first year.
- Conjugate crimp maintains performance: The 3D helical spiral is geometrically locked into the polymer crystal structure—it functions like a coil spring. After 1,800 compression cycles representing 5 years of use, quality HCS conjugate crimp fiber retains 80–90% of original loft—within consumer-acceptable performance for the full product life.
Bonded Wadding Sheet vs Loose Fill
- Thermally bonded wadding sheet (recommended for toppers): HCS + LMF fiber blend through-air bonded into a coherent, stable batting at your specified gsm. Even distribution guaranteed. No migration during use or washing. Consistent GSM throughout. Easier, more consistent quilting. VNPOLYFIBER supplies bonded wadding in standard widths.
- Loose fill in pocket construction: Higher loft achievable. A ‘cloud-like’ premium feel is preferred by some consumers. Risk of fill migration within pockets over time. It is more difficult to control fill distribution consistency in manufacturing.
GSM Guide by Topper Thickness
- 20–30mm compressed thickness: 150–250g/m² bonded wadding. Thin comfort layer—quilted mattress cover or thin flat pad.
- 40–50mm compressed thickness: 280–380g/m² bonded wadding. Standard flat-pad mattress topper.
- 60–75mm compressed thickness: 400–600g/m² bonded wadding or 500–700g/m² loose fill.
- 75mm+ deep pillow-top: 600–900g/m² loose fill in close-channel pocket shell.
Applications
- Consumer retail mattress topper (pillow-top): HCS loose fill, 600–800g/m². Premium consumer positioning.
- Consumer retail topper (flat pad): HCS+LMF bonded 250–400g/m². Consistent manufacturing. Easy quilting.
- Hotel mattress topper: 7D HCS+LMF bonded 250–350g/m². Weekly 60°C laundering.
- Firm orthopedic topper: 7D HCS + LMF bonded 400–500 g/m². Higher LMF ratio.
- Quilted mattress cover comfort layer: 4D HCS+LMF bonded 100–200g/m². Thin layer sewn into cover.
Care specification: standard HCS PSF and co-PET LMF thermal bonds are stable through 40–60°C machine wash on a gentle cycle. Tumble dry on low heat with dryer balls. High-heat tumble drying above 70°C can soften LMF bonds and deform the wadding structure. Specify correct care label instructions — verify with VNPOLYFIBER for your specific LMF grade’s temperature tolerance.
Frequently Asked Questions
Q: What GSM is a 50mm thick mattress topper?
For bonded HCS+LMF wadding: approximately 300–400g/m² for 50mm target compressed thickness. Actual uncompressed thickness: 4D HCS at 350g/m² produces approximately 60–70mm uncompressed, compressing to 40–50mm under bedding weight. Test your specific construction before finalizing fill weight.
Q: How do I prevent wadding from shifting inside the topper shell?
For bonded wadding: sew tufting points at 15–20 cm grid intervals through wadding and shell. This anchors the batt and prevents corner migration through repeated washing. For loose fill, close-channel stitching with channels no wider than 10–12 cm limits migration within each channel.
Q: What is the price premium for GRS recycled vs. virgin HCS wadding?
GRS-certified recycled HCS typically carries a 5–15% material cost premium over equivalent virgin grade, reflecting recycling supply chain and certification costs. For sustainable brand positioning where the recycled content is a product feature, this premium is typically recoverable in retail pricing.
Technical Parameter
Product Specifications
| Grade | Specification | Notes |
| Standard flat-pad topper | 4D–6D HCS + 4D LMF (80/20), 200–350g/m² | Thermally bonded wadding sheet. Medium-soft. Consistent distribution. |
| Premium soft topper | 3D–4D HCS + 4D LMF (80/20), 250–400g/m² | Finer HCS for softer feel. Maximum loft recovery. |
| Firm / orthopaedic topper | 7D HCS + 4D LMF (75/25), 350–500g/m² | Higher LMF ratio for firmer bonds. Compression-resistance. |
| Thick pillow-top topper | 4D–6D HCS loose fill, 500–800g/m² | Deep-fill pocket construction. ‘Cloud-like’ consumer feel. |
| Hotel topper | 7D HCS + LMF (80/20), 250–350g/m² | Commercial laundering rated 60°C. Dimensionally stable. |
| GRS recycled topper | 4D rHCS + 4D rLMF (80/20), 200–400g/m² | GRS certified both components. Sustainable mattress brand. |
FAQ
1. What do you offer?
We supply a comprehensive range of fibers, including recycled hollow conjugated (both siliconized and non-siliconized) polyester staple fiber, hollow fiber, microfiber, virgin polyester staple fiber, and low-melt fiber.
2. What is it used for?
Our fibers are versatile and widely utilized across both the filling and non-woven industries, providing essential loft, durability, and texture for various consumer and industrial applications.
3. Are you a factory or a trading company?
We are primarily a manufacturer specializing in polyester staple fiber with years of industry expertise. To better serve our clients, we also operate a dedicated trading division that allows us to act as a one-stop solution provider.
In addition to our own fiber production, we source high-quality textile components (such as yarn and low-melt fibers) and finished goods (including foam, pillows, cushions, toys, and down/feather products) to ensure our customers have access to a comprehensive supply chain.
4. Where is your factory location?
To maintain a robust and flexible global supply chain, our manufacturing facilities are strategically located throughout Asia, specifically in Vietnam, China, Malaysia, Thailand, and Indonesia. If you would like to visit one of our sites, please contact your sales representative, and we will be happy to arrange transportation for you.
5. Can you accept free sample?
Yes, we provide free hand samples for quantities under 1 kilogram. Once a price is confirmed, we can prepare and dispatch your sample within 2–3 business days. Please note that while the sample is free, the freight costs are the responsibility of the client.
6. Can you provide ODM service?
Absolutely. We specialize in ODM (Original Design Manufacturing). This means we can customize the material composition, dimensions, quantity, packaging, and branding to meet your specific requirements. Your logo and unique specifications will be integrated into the final product.
7. How about your quality? What’s the minimum order Quantity (MOQ)?
We invite you to place a trial order to experience our quality firsthand. Our standard MOQ is 23,000 kilograms per order.
Regarding pricing, we maintain a no-bargain policy. We believe in transparency and efficiency, so we provide our most competitive offer upfront to save you time and ensure a straightforward procurement process.
8. Can I mix different items in one order?
Yes, for your convenience, we allow for a maximum of two different items to be mixed within a single container.
9. How can you guarantee the product quality?
Quality is the cornerstone of our business. We employ an experienced QC team that monitors every stage of production, from raw material inspection to the final manufacturing process. We utilize a range of advanced testing instruments to ensure our fibers meet strict industry standards.
Our business philosophy is simple: We aim to serve one customer 1,000 times, rather than 1,000 customers once. We prioritize long-term partnerships built on consistent excellence.
10. What’s the payment terms?
L/C at sight, 30% TT in advance are mostly accepted; other terms shall be negotiable by both sides
For more information, please feel free to contact :
Tony Tan
Mobile number: +84 90 466 5251 (Whatsapp/Wechat/Viber/Signal)
