Waterproof Long Nylon Zipper
Derusen Waterproof Long Nylon Zipper is supplied as continuous coil chain rolls with pre-laminated PU waterproof film on polyester tape, allowing manufacturers to cut custom lengths and attach sliders according to production needs. Available in #3–#10 sizes, it provides hydrostatic resistance above 1,000mmH₂O, reliable sealing performance, and flexible OEM options for outdoor gear, rainwear, luggage, and marine products. Certified to OEKO-TEX® STANDARD 100.
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Product Description
Derusen waterproof long nylon zipper is supplied as a continuous coil chain on rolls, with the waterproof PU film pre‑laminated to the back of the polyester tape. Because the zipper is not cut to fixed lengths and sliders are not pre‑installed, users can cut the chain to the exact required length and attach the appropriate slider on their own production line. This format reduces inventory complexity and allows the same base chain to be used across multiple product SKUs. The waterproof seal is built into the tape, not the coil, achieving a hydrostatic resistance normally above 1 000 mmH₂O (ISO 811 / AATCC 127). The chain is produced in coil sizes #3, #5, #7, #8 and #10, covering light rainwear through to heavy‑duty outdoor luggage. All materials—polyester tape, nylon coil and PU film—are certified to OEKO‑TEX® STANDARD 100, confirming they contain no harmful substances.
Technical specification
| Product type | Waterproof nylon coil zipper long chain (continuous roll) |
| Coil material | Nylon (polyamide) monofilament |
| Tape material | 100% polyester, laminated with transparent PU waterproof film |
| Coil size (gauge) | #3, #5, #7, #8, #10 |
| Tape width | 25 mm (standard for #3, #5); 32 mm and wider for #7, #8, #10; custom widths available |
| Waterproof rating | ≥ 1 000 mmH₂O (ISO 811 / AATCC 127); higher values on request |
| Chain colour | Tape and coil colours matched to Pantone, CCC or customer swatch |
| MOQ | 1 000 yards per size and colour |
| Packaging | 200 yards (or metres) per polybag; 10–20 polybags per outer woven sack; roll‑length labelling available |
| Delivery | 3–15 working days, depending on order quantity and stock situation |
| Slider compatibility | Compatible with standard waterproof sliders (zinc alloy, acetal or nylon); sliders can be supplied separately or pre‑assembled on request |
| Certification | OEKO‑TEX® STANDARD 100; AZO‑free, nickel‑free |
Waterproof construction and performance verification
The waterproof barrier is created by thermally laminating a transparent polyurethane film to the back of the woven polyester tape. The film seals both the capillary gaps in the textile and the needle holes created during the coil stitching process. A waterproof slider—typically with a tighter throat tolerance—completes the seal when the chain is assembled into a finished zipper.
Derusen applies the following test protocol on each production batch of long chain:
- Hydrostatic pressure (ISO 811 / AATCC 127): sample lengths are tested with a waterproof slider attached; the average pressure at which three separate leak points appear is recorded.
- Chain tensile strength (BS 3084 / ASTM D2061): crosswise pull tests verify the bond between coil, tape and film.
- Reciprocation endurance: 500 opening‑closing cycles under controlled tension followed by re‑testing of hydrostatic resistance.
- Dimensional stability: tape width and thickness uniformity along the entire roll length (tolerances within ± 0.5 mm).
- Colour fastness: to washing (ISO 105‑C06), rubbing (ISO 105‑X12) and light (ISO 105‑B02).
Only lots that meet all criteria are approved for shipment. Test data is linked to a unique roll number, providing traceability back to the extrusion and coating batch.
Typical applications
Dry bags & waterproof luggage
Tent doors & canopies
Marine upholstery & outdoor covers
Rainwear & performance apparel
Continuous waterproof zipper chain is preferred by manufacturers who cut and sew in‑house, especially for made‑to‑order items like boat enclosures, waders, waterproof mattress covers, protective equipment cases and outdoor furniture. The ability to cut to exact length reduces waste and allows flexible production.
Certification
Every component of the waterproof long nylon zipper chain—polyester tape, nylon coil, PU film and the sliders (if purchased together)—is certified to OEKO‑TEX® STANDARD 100. This independently verified certification means the product meets strict human‑ecological safety requirements and can be used in articles that come into prolonged skin contact. The certificate is renewed annually; a valid copy can be provided with shipping documents.
OEM and supply options
Derusen supplies waterproof long chain in bulk rolls (200‑yard sub‑packs) or on customer‑specified reel lengths. Customisation possibilities include:
- Tape and coil colour matching (Pantone, CCC or physical swatch)
- Custom tape width and PU film thickness for higher hydrostatic requirements
- Branded labels and barcodes on each polybag or roll
- Matching waterproof sliders supplied loose in separate packaging
- Pre‑finished zipper options (cut‑to‑length with sliders attached) for buyers who prefer ready‑to‑stitch products
Free samples of stock chain are available for evaluation (customer covers shipping). Delivery lead time is 3–15 working days depending on quantity and colour. For precise cut lengths or combined orders of chain and sliders, contact the sales team with your specification.
Frequently Asked Questions
What is a waterproof long chain zipper and how does it differ from a finished zipper?
A waterproof long chain zipper is supplied as a continuous roll of nylon coil chain with the waterproof PU film already laminated to the tape. It is not cut to a specific length and the slider is not pre‑installed. This format allows manufacturers to cut the exact length needed and attach their own slider, reducing inventory of fixed‑size zippers and offering maximum flexibility for made‑to‑order production.
Which coil sizes are available and can I match tape colours?
The waterproof long chain is produced in coil sizes #3, #5, #7, #8 and #10. Tape and coil colours are matched to Pantone, CCC or a customer‑provided swatch. Both components can be dyed to the same shade or intentionally contrasted, depending on the design requirement.
Do you supply the matching waterproof sliders?
Yes. Compatible waterproof sliders (zinc alloy, acetal or nylon) are available separately. They can be shipped loose in bulk packaging, making it simple for your production line to attach them after cutting the chain. We can also quote combined chain‑and‑slider packages for a complete solution.
What is the minimum order quantity and typical delivery time?
The MOQ for waterproof long chain is 1 000 yards per coil size and colour. For stock colours, delivery takes 3–15 working days from order confirmation, depending on quantity and current production load. Custom colour matching may add 3–5 working days for lab‑dip approval before bulk production begins.
How is the waterproof performance tested on bulk chain?
A sample length is cut from each production lot, fitted with a waterproof slider, and tested according to ISO 811 / AATCC 127 (hydrostatic pressure). We also perform a reciprocation test: after 500 opening‑closing cycles, the sample is re‑tested to confirm the waterproof barrier remains intact. Additional checks cover crosswise tensile strength (BS 3084 / ASTM D2061) and colour fastness to washing, rubbing and light.
Can I receive a sample roll for evaluation?
Free sample lengths of standard stock chain are provided for technical testing. The customer covers the courier cost or arranges a collect account. Sample dispatch normally takes 1–2 working days. For custom colours or special tape widths, a pre‑production sample may require an additional 3–5 working days.
Is the waterproof long chain certified for restricted substances?
Yes. The entire construction—polyester tape, nylon coil and PU waterproof film—is certified to OEKO‑TEX® STANDARD 100. The product is also AZO‑free and nickel‑free. The certification is renewed annually, and a valid copy can be supplied with shipment documents to assist with REACH and other international compliance requirements.
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