Zabin Industries: Zippers

How to Measure a Zipper

Dimensions L, L1, and L2 (L = Length, L1 = top tape extension, L2 = bottom tape extension). The zipper must be completely closed when taking measurements.

Closed
Bottom L=FROM the upper edge of the slider body TO the bottom edge of the bottom stop L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end. L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.

Separator L=FROM the upper edge of the slider body TO the bottom edge of the box. L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end. L2=Not Applicable

2-Way Separator L=FROM the upper edge of the slider body TO the bottom edge of the reinforcement tape. L=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the cut end. L2=Not Applicable

Head to Head Closed Bottom L=FROM the upper edge of the bottom stop TO the lower edge of the other bottom stop L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end. L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.

Back to Back Closed Bottom L=FROM the upper edge of the slider body TO the bottom edge of the other slider. L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end. L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.

Bridge Top Closed Bottom L=FROM the upper edge of the bridge top TO the bottom edge of the bottom stop L1=FROM the upper edge of the bridge top TO the highest tip of the cut end. L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.

THINGS TO THINK ABOUT WHEN CHOOSING A ZIPPER

Function - Function should be the first consideration when choosing a zipper. Should a closed bottom zipper be chosen, such as the one used in pants-or, should a separator be chosen like the one used in a jacket? Does it need to function as a two-way? Is continuous chain needed for assembly? Which slider function will be best? Which pull is most appropriate?
Application - Next, another important consideration is the application. Where will the zipper be used? Will it be used in an outdoor environment? Will it need to be chemically resistant? In other words, what stress factors will the zipper be exposed to? Is individual teeth construction important? Is continuous element construction more effective? How much abrasion will the zipper encounter? How durable does it need to be? Should larger teeth size be considered?
Materials - Materials must also be considered when selecting a zipper. The teeth of a zipper are usually metal, coil, woven, or injection molded plastic. Which of these material is best? Generally, the weight and appearance of metal and plastic zippers are different. For example, with jeans, metal teeth are more common. Outdoor applications can benefit from zippers with plastic teeth, since plastic teeth are weather resistant and lightweight. The tape material must also be considered. For example, polyester tape is not suitable for a garment dyer. A dyeable tape would be a better choice. Those interested in fire resistance would want to consider a fire retardant tape.
Aesthetics - How should the zipper be perceived? Will this zipper be used as a fashion statement, or is it the function that is most important? Should the zipper be barely visible, or be a prominent feature?

Cost - Cost is always a consideration. The above options must be weighed when selecting the correct zipper.

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Closed Bottom	L=FROM the upper edge of the slider body TO the bottom edge of the bottom stop	L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.	L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.
Separator	L=FROM the upper edge of the slider body TO the bottom edge of the box.	L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.	L2=Not Applicable
2-Way Separator	L=FROM the upper edge of the slider body TO the bottom edge of the reinforcement tape.	L=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the cut end.	L2=Not Applicable
Head to Head Closed Bottom	L=FROM the upper edge of the bottom stop TO the lower edge of the other bottom stop	L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.	L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.
Back to Back Closed Bottom	L=FROM the upper edge of the slider body TO the bottom edge of the other slider.	L1=FROM the top stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.	L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.
Bridge Top Closed Bottom	L=FROM the upper edge of the bridge top TO the bottom edge of the bottom stop	L1=FROM the upper edge of the bridge top TO the highest tip of the cut end.	L2=FROM the bottom stop, using the edge that is closest to the cut end of the zipper, TO the highest tip of the cut end.