Zipper Length and Allowable Tolerance
Time：2026-07-27
To measure zipper length, close the zipper fully.
To measure zipper length, close the zipper fully. Measure the distance from the top end of the top stop to the bottom end of the bottom stop or separating component. During zipper production, inertia generated by machine operating speed and requirements for complete chain teeth lead to allowable dimensional tolerances. Longer zippers carry larger allowable tolerances. Allowable tolerance range (International Standard):
Zipper Length | Allowable Tolerance Range |
Below 30cm | Within ±5mm |
30cm up to less than 60cm | Within ±10mm |
60cm up to less than 120cm | Within ±15mm |
Over 120cm | Within ±2% of zipper length |
Note: Special products, special sizes or finished goods with special requirements may not comply with the tolerance regulations listed above.
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