CLI Inspection Services

Book Online One Day Ahead

Get Quality Report On Next Day
+86 592 8212631
  • HOME
  • CLI
    • Pricing
    • What We Inspect ?
    • Coverage Area
    • CONTACT
      • Contact Us
      • Registering
    • POLICIES
      • Win Win Policy
    • SUBSCRIBERS
  • Benefits
    • Outsourcing Inspection
      • Why CLI
      • Set Up Own QC Team ?
      • Is Bigger, The Better ?
      • No Fake Testing Samples
      • Avoid Fake Inspection
      • Better Quality Lower Price
      • CONCEPTS
        • Quality Protocol
        • Quality Report
        • Why Recalls ?
        • Why Returns ?
    • ● Quality Cases
      • About Quality Cases
      • Brand Cases
      • Quality Mirror
      • Production Process
      • Quality Videos
    • ● In-Depth
  • ● MUST
    • Sample Review
    • Credit Investigation
    • Quick Factory Audit
    • Testing Consultancy Services
    • Pre Shipment Inspection
  • Services
    • Inspection
      • Pre Shipment Inspection
      • Initial Production Inspection
      • During Production Inspection
      • Container Loading Supervision
      • Random Sample Picking
      • Sample Review
    • Audit
      • Credit Investigation
      • Quick Factory Audit
      • Factory Audit
      • COMPR Factory Audit
      • Social Audit
    • Lab Testing
      • Testing Consultancy Services
      • Testing Scopes
      • Lab Partner
    • Order Follow Up
  • ● Voice Of Quality
    • Importers Benefits
      • Less Import Risk
      • Less FOB Cost
    • Online Seller/Shopper
    • Amazon FBA
    • Quality Cases
    • China Industry Chains
    • In-Depth
    • Lab Testing Consultancy
  • BLOG

Did Your Clothes Pass The Needle Detector?

Home » ● Voice Of Quality » Did Your Clothes Pass The Needle Detector?

By Scott Chin • 12/1 @ 9:22 • No Comments

Spread the love

Everyone in the clothing industry should know that there is a general test: Needle detector test. The simple statement is that the broken needle in the garment will be detected to avoid harming the human body. As early as the 1970s, there was an incident in Japan where there was a broken needle in the textile, causing the child to be injured and killed. Therefore, the Japanese legislated “Needle Inspection Law” ordered all textiles and all wearing items which touched human skin,the detection of sharp metal foreign matter must be carried out before retailing,it was named needle detector test. China has developed a national standard for needle detectors, which is suitable for detecting broken spurs, pins or other ferromagnetic substances left in various types of clothing. In the clothing inspection, needle detector test must be carried out.Because it is close-fitting clothing, after touching the human body, if the broken needle is found, it is extremely harmful.

The needle detector machine,it mainly uses in toys, garments, shoes, chemicals, leather, knitting and other industries. They detect needles, pins and iron scraps left in the products to ensure that the products are free of iron filings. Provide the most reliable quality assurance. However, there are still some shortcomings. The principle of the needle detector is the principle of magnetic induction, so only ferromagnetic metals (iron, cobalt, nickel and alloys containing these metal impurities) can be detected, and other high-purity fine tiny metals cannot be detected. If it is a small factory or a small workshop, there may not be a regular needle detector. The Factory Audit article explains how CLI testing can help importers review plant size and equipment. 

According to the regulations, before the production, the accessories and decorations must pass the needle detector first.Then all the large goods pass the needle detector before the product leaves the factory again. Of course, from the needle detector itself, it is a very sensitive machine, the product placed in different directions and different positions may lead to different results and the resulting reaction is also different. However, in the needle detector test, there are many external factors that influence the final result, such as:

  1. There are broken needles in the clothes (especially the seams of the fabric, the overlap of the fabric or the thicker part of the fold);
  2. Magnetic foreign matters(metal piece, metal scrap or wire, etc.) is mixed in the filling of the clothes;
  3. The magnetic body is attached to the conveyor of the needle detector;
  4. A large number of metal accessories (buttons, rivets, etc.) are seton the clothes, because even if the individual parts meet the needle-detecting standards, the reaction values will rise if combined.
  5. 5.The printing on the clothes, the influence of the hanging tag, or forgetting to remove the bad identification film, etc. will also cause the needle reaction;
  6. When performing stone washing and other processing, the metal impurities attached to some of the accompanying materials are attached to the clothes.

Iron metal buttons or zippers, can they pass the needle detector test after demagnetization?

This is a headache that is often encountered in garment factories. The demagnetization refers to the process in which the magnet returns to a magnetic neutral state. Demagnetization is an addition and subtraction operation involving magnetic objects, and the needle detector checks the magnetic components of iron/cobalt/nickel in these articles, rather than checking the magnetic properties of the metal button zipper. Of course, magnetic metal is impossible to pass the needle detector test.

Therefore, the demagnetization can not change the iron metal button, but the purpose of passing the needle detector test can be achieved.Only the raw material can be replaced to make a metal with no magnetic force, such some non-ferromagnetic metals:copper, aluminum or zinc alloy.

Therefore, when testing various products, the needle detector test is for accessories that do not have magnetic metal, otherwise the test will be meaningless.

This article is an original article for CLI Inspection, who is committed to providing high-quality product inspection technology and know-how sharing for global importers and retailers to make imports safer.

All rights reserved. The contents of this website provided by CLI Inspection may not be reproduced or used without express permission.

For reprint, please contact with CLI Inspection, thank you.

Related Posts:

  • The Transfer of Production in Southeast Asia Encountered the Shortcomings of the Industry ChainThe Transfer of Production in Southeast Asia…
  • Wenzhou Garment Industry is "China's Button Capital", but Now Even Attracting Workers Becomes a ProblemWenzhou Garment Industry is "China's Button…
  • How Does A Small Clothing Factory Surpass A Big Factory?How Does A Small Clothing Factory Surpass A Big Factory?
  • Clothing Ironing TrilogyClothing Ironing Trilogy
Categories:● Voice Of Quality Quality Cases Quality Mirror
Tags:2545 Needle detector test

Scott Chin

Senior professionals in the field of quality inspection are committed to finding and sharing valuable experiences.

说点什么 Please Input Your Comments !

avatar
This comment form is under antispam protection
avatar
This comment form is under antispam protection
  Subscribe  
提醒

SEARCH

Email Subscribers

Loading

Recent Posts

  • You Can’t Imagine That A Big Brand Like KAPPA Will Find Serious Batch Problems During Inspection! 04/13 @ 9:08
  • Folding Table: Technological Comparison Between Two Factories 04/6 @ 8:45
  • Are You Still Worried About Clothes Damaged by Hangers? 03/29 @ 8:26
  • The Experience of A Shoe Factory Owner 03/23 @ 8:04
  • Why can’t Factory Internal Quality Inspection Replace Third-Party Quality Inspection? 03/15 @ 8:26

Recent Comments

  • Pay Attention to Shoulder Straps for Bag Inspection in Quanzhou | CLI Inspection Services发表在《Do You Know Supplier Quality Management?》
  • Actually Investigate the Production Technology of Folding Table | CLI Inspection Services发表在《Implement Pre-shipment Inspection! Start to Build Brand Popularity》
  • Shoe Factory Owner Tells About His Manufacturing Journey | CLI Inspection Services发表在《What importers need to pay attention to when sourcing new factories》
  • Zoom in to See the History of the Development of Made in China | CLI Inspection Services发表在《Tear off the Label Made in China of “Good Quality and Low Price”, Don’t Spoil the International Market》
  • Reasons for the "return" of China's Textile Industry to the Midwest | CLI Inspection Services发表在《How Does A Small Clothing Factory Surpass A Big Factory?》

Monthly Files

Catalogue

  • ● Voice Of Quality
  • China Industry Chains
  • In-Depth
  • Less Import Risk
  • Production Process
  • Quality Cases
  • Quality Mirror

Tags

0837 1224 2459 2539 2543 2545 2547 2548 2549 2551 2565 2578 2579 2580 2582 2595 2596 2607 2620 2624 Chain inspection clothing quality control cord plug electrical safety Garment factory production management glassware quality inspection,2583 Hair dryer quality inspection In-process quality inspection label inspection,2550 Mattress structural inspection Needle detector test Packaging inspection Paper cup craft inspection paper mill audit,2581 Plastic clip quality check plastic quality control Product use test Quality check Quality control check Shoes quality control,2584 stainless steel quality control Stock shoes quality inspection Thermos cup inspection tightness test Toothbrush defect check Wooden floor inspection

BLOG

  • You Can’t Imagine That A Big Brand Like KAPPA Will Find Serious Batch Problems During Inspection! 04/13 @ 9:08
  • Folding Table: Technological Comparison Between Two Factories 04/6 @ 8:45
  • Are You Still Worried About Clothes Damaged by Hangers? 03/29 @ 8:26
  • The Experience of A Shoe Factory Owner 03/23 @ 8:04

Email Subscribers

Loading

Learn More

  • Outsourcing Inspection
  • Avoid Fake Testing Samples
  • Avoid Fake Inspection
  • Better Quality Lower Prices
  • Coverage Area

Special Sections

  • Quality Cases
  • Amazon FBA
  • In-Depth
  • Contact Us
© 2002 CLI Inspection | Make Imports Safer
  • HOME
  • CLI
    • Pricing
    • What We Inspect ?
    • Coverage Area
    • CONTACT
      • Contact Us
      • Registering
    • POLICIES
      • Win Win Policy
    • SUBSCRIBERS
  • Benefits
    • Outsourcing Inspection
      • Why CLI
      • Set Up Own QC Team ?
      • Is Bigger, The Better ?
      • No Fake Testing Samples
      • Avoid Fake Inspection
      • Better Quality Lower Price
      • CONCEPTS
        • Quality Protocol
        • Quality Report
        • Why Recalls ?
        • Why Returns ?
    • ● Quality Cases
      • About Quality Cases
      • Brand Cases
      • Quality Mirror
      • Production Process
      • Quality Videos
    • ● In-Depth
  • ● MUST
    • Sample Review
    • Credit Investigation
    • Quick Factory Audit
    • Testing Consultancy Services
    • Pre Shipment Inspection
  • Services
    • Inspection
      • Pre Shipment Inspection
      • Initial Production Inspection
      • During Production Inspection
      • Container Loading Supervision
      • Random Sample Picking
      • Sample Review
    • Audit
      • Credit Investigation
      • Quick Factory Audit
      • Factory Audit
      • COMPR Factory Audit
      • Social Audit
    • Lab Testing
      • Testing Consultancy Services
      • Testing Scopes
      • Lab Partner
    • Order Follow Up
  • ● Voice Of Quality
    • Importers Benefits
      • Less Import Risk
      • Less FOB Cost
    • Online Seller/Shopper
    • Amazon FBA
    • Quality Cases
    • China Industry Chains
    • In-Depth
    • Lab Testing Consultancy
  • BLOG
wpDiscuz