Practical Zipper Knowledge for Buyers & Makers
Learn the basics and beyond—from zipper types and materials to design tips. This knowledge base is curated for sourcing managers, designers, and zipper enthusiasts.
Zipper Quality Identification Methods:
Tape:
- Color Uniformity: Dyeing is even without stains or blemishes.
- No Scars: Tape should be free of scars or marks.
- Soft Touch: The fabric should be soft to the touch.
- Wavy Pattern: In the vertical or horizontal direction, it should exhibit a moderate wavy pattern.
Teeth:
- Smooth Surface: Teeth should have a smooth and shiny surface.
- Alignment: Teeth should be neatly arranged without obvious skewing.
- No Missing Teeth: There should be no missing teeth.
- Smooth Pulling: Smooth and easy pulling with minimal noise.
Slider:
- Easy Sliding: The slider should slide easily and smoothly.
- Secure Locking: The slider should lock securely without slipping.
- Flexible Movement: Slider parts should move flexibly.
- Clear Branding: Clear branding on the slider.
- Plating and Dyeing: Plating and dyeing should be even, without bubbles, peeling, or other defects.
Top and Bottom Stops:
- Secure Attachment: Stops should tightly grip the teeth.
- No Gaps: There should be no gaps between the stops and the teeth.
- Firm and Solid: Stops should be firm, solid, and appropriately sized.
- Locking Ability: Should be able to lock but not jam the slider.
Square Peg (Bottom Stop, Double Slider):
- Smooth Insertion: Peg should insert smoothly and secure the fabric tightly.
- Firm Attachment: Peg should be firmly attached without coming loose.
- No Skewing: Should be neat without skewing.
Fabric Attachment:
- Adherence: Fabric should adhere closely without cracking or peeling.
- Not Overcooked or Undercooked: Fabric should not be overcooked or undercooked.
- Neat Cut Edges: Cut edges should be neat.
Top and Bottom Gaps:
- Clean Cut Edges: Cut edges should be neat and clean.
- Attractive Edging: Edging should be aesthetically pleasing without skewing or unraveling.
- Accurate Dimensions: Dimensions should be accurate.
We have over 15+years’ experience in garment accessories Industry,Should you have any zipper problems or if there’s anything else we can assist you with, please feel free to let us know.