Open-End Separating Zippers for Outerwear Manufacturing
-1-100x100.png "18.5-inch #6 Molded Plastic Zipper with Alligator Tooth Design, Separating, for Jackets and Coats | PR0047T6TMS")
-1-100x100.png "80 cm / 31.5 in Light Gray #6 Molded-Tooth Separating Zipper, Pear Puller, for Jackets and Coats ZPK0080T6A")
-1-100x100.png "20-inch #6 Molded Plastic Zipper with Separating Bottom, Ideal for Jackets and Coats | PR0051T6TMS")
-1-100x100.png "Crocodile Tooth Bone Jacket Zipper Set, 5 Pieces – For 47-53 cm Short Jackets and Coats -ST-0003T5")
Open-End Zipper Sourcing for Manufacturing
Open-end zipper performance depends on the complete closure system. The chain, slider, insertion pin, retainer box, tape, fabric, lining and sewing process must function together.
Approve the zipper in a finished sample before bulk production, especially for long outerwear, coated products and two-slider constructions.
Selection by Manufacturing Application
| Production Area | Zipper Approach | Production Check |
|---|---|---|
| Children's jacket and vest | Short single-slider open-end zipper | Check pin insertion, pull-tab size and chain bulk. |
| Jacket and coat | Nylon coil or molded plastic separating zipper | Test fabric weight, centre-front length and bottom hardware. |
| Parka and long coat | Long open-end or two-slider zipper | Verify lower-opening requirements and both slider directions. |
| Abaya and full-length garment | 100–160 cm / 39.37–62.99 in coil zipper | Test tape stretch, garment length and seated comfort. |
| Technical jacket and rainwear | Coated separating or two-way zipper | Inspect seam sealing, film surface and lower components. |
| Decorative fashion outerwear | Crocodile-tooth or metallic-look molded zipper | Record the actual tooth material and visible finish separately. |
Required Product Specification
- Zipper Length: Functional length in metric and imperial units
- Zipper Size: #3, #5, #6, #9 or another verified profile
- Chain Construction: Nylon coil, molded plastic or genuine metal
- Coil Direction: Standard or reverse
- Zipper End Type: Open-end separating
- Slider Configuration: Single slider or two sliders
- Surface: Standard, metallic-look or coated
- Sales Format: Individual, pack, set, retail, wholesale or custom production
Separating and Two-Way Classification
A separating zipper uses a lower pin-and-box assembly and may have one slider.
A two-way separating zipper uses two separate slider bodies, detaches completely and allows the lower section to open.
“Separating – Bottom Opening” must not be used as one filter value. End construction and slider configuration are separate attributes.
Slider and Pull-Tab Terminology
The slider is the mechanical body that opens and closes the chain. The pull tab is the part held by the user.
Product data should distinguish:
- Single-slider zipper
- Two-slider or two-way zipper
- Single-pull slider
- Double-pull slider
- Special-design pull tab
Browse available mechanisms in the zipper slider category.
Nylon Coil and Molded Plastic Classification
Nylon coil zippers use a continuous spiral chain. Molded plastic zippers use separate plastic teeth attached to the tape.
These systems require different slider geometries. A product whose title says molded plastic while the description says nylon must be physically verified before classification.
See molded products in the molded plastic zipper category.
Reverse Coil and End Construction
Reverse coil describes the orientation and appearance of the spiral. Open-end describes the lower pin-and-box construction.
A zipper can be both reverse-coil and open-end, but reverse construction alone does not confirm separating or two-way operation.
Metallic-Look Classification
A metallic finish may be applied to nylon coil or molded plastic teeth. These products must not be classified as genuine metal chain.
Use separate fields for:
- Chain Material: Nylon coil, molded plastic or genuine metal
- Visible Finish: Standard, nickel-look, gold-look, brass-look, copper-look or another finish
Coated Open-End Zipper Production
TPU- or PU-coated zippers may be used for technical jackets and rainwear. Inspect the film through sewing, slider movement, bending and care testing.
Water protection must be assessed across the zipper tape, stitch holes, slider junction, pin-and-box assembly, top and bottom ends and main fabric.
Pre-Production Inspection
- Does the functional zipper length match the pattern?
- Are the top stops aligned on both garment fronts?
- Does the pin enter the retainer box fully?
- Does the slider run without excessive force?
- Does the chain reopen behind the slider?
- Do both sliders operate correctly on two-way products?
- Does the tape remain flat after sewing?
- Does the pin-and-box assembly remain stable after care testing?
Rules for Zipper Sets
An open-end zipper set should enter this category only when every included zipper is open-end. Mixed-end packs should remain in the workshop-set category.
The written set contents should identify:
- Total zipper quantity
- Every included length
- Chain construction
- Single- or two-slider configuration
- Color distribution
- Fixed or variable package contents
Common Manufacturing Errors
- Do not describe an open-end zipper as separating at both ends.
- Do not combine separating and two-way functions in one filter.
- Do not combine slider count and pull-tab count.
- Do not publish conflicting chain materials without physical verification.
- Do not classify metallic-look nylon or plastic as genuine metal.
- Do not use reverse coil as an end-type value.
- Do not claim full waterproofing without technical testing.
- Do not begin bulk production without sample approval.
Frequently Asked Questions
How should a workshop test an open-end zipper?
Sew the zipper into the real fabric, lining and front construction, then test pin-and-box engagement, slider movement, alignment and care performance.
What is the difference between separating and two-way zippers?
A separating zipper detaches completely. A two-way zipper also has two separate sliders and allows the lower section to open.
Is a double-pull slider a two-way zipper?
No. A two-way zipper has two separate slider bodies. A double-pull slider is one body that can be operated from two faces.
Can a reverse-coil zipper be open-end?
Yes. Reverse coil describes chain appearance, while open-end describes the lower pin-and-box construction. Both features can exist on one zipper.
Is a metallic-look separating zipper made from metal?
Not always. The actual chain may be nylon or molded plastic, while metallic appearance describes the color or surface finish.
How should the contents of an open-end zipper set be verified?
Check the written package details for total quantity, lengths, chain construction, color distribution and slider configuration.
Last updated: July 22, 2026
Business: E-Zippers — zipper, slider and textile accessory supplier, Istanbul, Türkiye.
-1-350x450h.png "19.3-inch #6 Crocodile Pattern Molded Plastic Zipper, Separating, for Jackets and Coats | PR0049T6TMS")
-1-350x450h.jpg "19.3-inch #6 Crocodile Pattern Molded Plastic Zipper, Separating, for Jackets and Coats | PR0049T6TMS")
-1-350x450h.png "Crocodile Tooth Bone Jacket Zipper Set, 5 Pieces – For 47-53 cm Short Jackets and Coats -ST-0003T5")
-1-350x450h.png "Crocodile Tooth Bone Jacket Zipper Set, 5 Pieces – For 47-53 cm Short Jackets and Coats -ST-0003T5")
-1-350x450h.png "50 cm 19.68\" Crocodile Tooth Jacket Zipper | Open-End Separating Outerwear Zipper | PR0050T6TMS")
-1-350x450h.jpg "50 cm 19.68\" Crocodile Tooth Jacket Zipper | Open-End Separating Outerwear Zipper | PR0050T6TMS")
-1-350x450h.png "20-inch #6 Molded Plastic Zipper with Separating Bottom, Ideal for Jackets and Coats | PR0051T6TMS")
-1-350x450h.jpg "20-inch #6 Molded Plastic Zipper with Separating Bottom, Ideal for Jackets and Coats | PR0051T6TMS")
-1-350x450h.png "21-inch #6 Molded Plastic Zipper Open End Separating for Jackets and Coats | PR0053T6TMS")
-1-350x450h.jpg "21-inch #6 Molded Plastic Zipper Open End Separating for Jackets and Coats | PR0053T6TMS")
-1-350x450h.png "55 cm / 21.7 in White #6 Molded-Tooth Separating Zipper, Pear Puller, for Jackets and Coats ZPK0055T6PROMO")
-1-350x450h.png "55 cm / 21.7 in White #6 Molded-Tooth Separating Zipper, Pear Puller, for Jackets and Coats ZPK0055T6PROMO")
-1-350x450h.png "55 cm 21.66\" Molded Plastic Jacket Zipper | Open-End Outerwear Zipper | ZPK0055T5PROMO")
-1-350x450h.jpg "55 cm 21.66\" Molded Plastic Jacket Zipper | Open-End Outerwear Zipper | ZPK0055T5PROMO")
