The quality inspection of Engraved Logo metal zipper slider puller (i.e. metal zipper slider puller with engraved logo) of luggage can carry out in the following aspects:
First. Appearance Quality Inspection
- Engraved logo clarity: check whether the engraved logo on the metal zipper slider puller is clear and complete, without blurring or missing phenomenon.
- Surface finish: Observe whether the surface of the metal zipper slider puller tab is smooth, without scratches, burrs, rust and other defects.
- Color consistency: If the metal zipper slider puller tabs have been treated with coloring, you need to check whether the color is uniform and without color difference.
Second, functionality test
- Smooth sliding performance: test whether the metal zipper slider puller slides smoothly on the zipper, without jamming or abnormal sound.
- Self-locking performance: check whether the self-locking function of the metal zipper slider puller is good, and whether it can lock the zipper stably and prevent it from sliding open accidentally.
- Tensile strength: Tensile test the metal zipper slider puller by tensile testing machine to assess its tensile strength and durability, to ensure that the metal zipper slider puller is not easy to damage in the process of using.
Third.Corrosion resistance and safety testing
- Corrosion resistance test: We conduct salt spray tests and other methods to evaluate the metal zipper slider puller’s corrosion resistance in various environmental conditions., to ensure that it is not easy to rust or corrode in the process of use.
- Nickel release test: According to the relevant standards (such as REACH regulation), testing the nickel content in the metal zipper slider puller to ensure that it meets the safety requirements for human contact. If the nickel content exceeds the standard, it may cause irritation or allergic reaction to human skin.
Fourth. Size and Specification Testing
- Size Measurement: Use precise measuring tools to check whether the size of metal zipper slider puller tabs meets the design requirements or order specifications.
- Specification matching: Ensure that the metal zipper slider puller tab matches the specifications of other parts of the zipper (e.g. chain teeth, fabric tape, etc.) and can assemble properly and use
Fifth. Comprehensive Evaluation and Test Report
After completing the above tests, it is necessary to make a comprehensive assessment of the test results and issue a detailed test report. The test report should contain test items, test methods, test results, conclusions and recommendations, etc., so that customers or related parties can understand the quality status of metal zipper slider puller.
To summarize, when quality testing of Engraved Logo metal zipper slider puller for Luggage and Bags is carried out, comprehensive consideration should be given to the appearance quality, functionality, corrosion resistance, safety as well as size and specifications to ensure that the product meets the relevant standards and customer requirements.