Zipper configuration
State element type and material, size, slider and puller, open or closed end, number of sliders, length, top and bottom stops, colour and sewing method.
Product and operating conditions
Describe the product, load direction and frequency, operating conditions and adjacent materials. For a replacement, include markings and photos of both sides; for a new assembly, add a drawing or section.
Verification
Confirm the exact designation and available documents. Before series production, evaluate the zipper in the complete assembly after all processing operations.