Jeans are popular in China from Europe and the United States. According to statistics, the denim produced in China reaches 2 billion meters each year, accounting for 25 % of the world, and the jeans produced in China are also more than 2.5 billion pieces each year. It can be said that China has become an important producer of jeans in the world, among which Changzhou in Jiangsu and Weifang in Shandong are the concentrated manufacturing regions for jeans,and more and more import and export trade is related to jeans. In addition, these jeans manufacturers are also constantly updating and developing more popular denim fabrics.What follows is that importers are paying more and more attention to jeanswear inspection because they want to seize the opportunity and grab the market chance with the help of CLI inspection.In the article of advantages of outsourcing inspection , the advantages of outsourcing inspections to third parties are detailed and reference is provided to importers.
Introduction of product composition and main structure
Jeanswear usually refer to ordinary or colored denim clothes made mainly of pure cotton and cotton fibers, blended or interwoven dyed denim as the main raw material. Generally, it consists of fabric, lining and accessories, including shoulder pads, pocket cloth, stitches, buttons, zippers and metal accessories.
The product core manufacturing process
Complete technological process: raw material selection – confirmation of size and color and various accessories – sewing – washing – quality inspection – primary ironing – secondary ironing – labeling – finishing and packaging
Among the important links are:
- Sewing process: The quality of the locking line and the sewing line is the easiest to see, and it is also the first step for the inspector in jeanswear inspection.
- Washing process: This is a special process in the production of jeans, which does not retain the original color of the fabric and gives the product a new texture and color after washing. In jeanswear inspection, inspectors need to check the color of the product to make sure it is consistent with the customer’s confirmation.
- Ironing process: before ironing, it is necessary to confirm the ironing tools used and the safe ironing methods in order to meet the customer’s requirements.
Common Defects and Causes in Jeanswear Inspection
Appearance class:
- The waist surface is uneven and wrinkled: the fabric is inferior or poorly ironed;
- Poor stitch, floating thread, obvious needle eye, continuous jumper, left-right asymmetry, etc: Improper sewing operation and inferior stitching;
- The color fading is serious and uneven, the hand feeling is obviously rough, and the pollution is variegated, etc. The water washing process is not properly operated and the water quality is polluted.
- Severe shrinkage deformation: no pre-shrinkage treatment was carried out;
- Poor quality, corrosion and copper stain of metal fittings: The fittings are of poor quality and have not been properly treated for rust prevention;
- Zipper bending, non – lubrication, lack of teeth, zipper head falling off, etc: wrong installation of zipper and poor quality of zipper;
- The trademark is skewed, the printing is not obvious, the logo is wrong, etc: bad sewing and bad printing.
Functional category:
- Dimensions are not allowed to deviate;
- No peculiar smell is allowed;
- All accessories can be used normally.
Product testing
On – site testing of inspectors in jeanswear inspection
- Appearance neatness, no smudgy;
- Color and printing, check whether there is color difference in batch products, or check with the customer’s signature if there is one, so as to facilitate the customer to visually see the quality;
- Metal fittings are free from rust, safe and firm, and metal edges cannot have sharp points and edges, etc;
- The sewing quality must be good and every detail must be thoroughly checked in the jeanswear inspection;
- Abuse test: Repeat 20 times for sewing, jujube beating, zipper, button, hook and loop or chicken eye. No damage is found. Pay attention to the unilateral pulling force of zipper and check the sewing strength;
- Tests for color fastness: Check whether the dry rubbing and wet rubbing on the printing surface will fade and whether the product will fade;
- Check the number of needles: Measure the number of needles per inch with a ruler or tape and record it.
Laboratory testing
- Twist before washing, change rate of washing size, color fastness, abrasion resistance, breaking strength, tearing strength, etc. shall conform to FZ / T 81006 – 2007 of the national textile industry;
- Basic safety performance, including formaldehyde content and PH value, shall conform to FZ/T81006-2007 of the national textile industry.
In order to ensure the quality stability of jeans, the factory needs to establish a series of procedures and control them during the production process.Generally speaking,the production of jeans is a flow process.Importers need to know the production progress of the products in a timely manner. It is not enough to rely solely on the description of suppliers.It is right to arrange a third-party inspection. CLI inspection will formulate corresponding measures for different customers’ jeanswear process inspection to help importers reduce product risks.
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:
free viagra samples by mail best place to buy viagra online do i need a prescription for viagra
cialis super active viagra vs cialis vs levitra viagra vs cialis price
ivermectin horse ivermectin over the counter ivermectin lotion over the counter
where to buy liquid cialis cialis purchase i need cialis
buy cialis with dapoxetine in canada brand cialis us cialis generic 20 mg
buying prednisone on line 2.5 mg prednisone daily prednisone 20mg capsule
doxycycline 150 mg cost doxycycline cost doxycycline 20
doxycycline mexico doxycycline 500mg where to buy doxycycline in australia
doxycycline 1000 mg best buy doxycycline online paypal buy doxycycline from canada
where to get clomid medication price of clomid in uk clomid 50mg tablets buy
where can you buy clomid clomid cheap online clomid canada pharmacy
amoxacillian without a percription amoxicillin buy online canada amoxicillin 500mg price
buy cheap prescription drugs online natural drugs for ed erectile dysfunction pills
ed pumps new ed drugs men with ed
male enhancement best cure for ed mens ed pills
best natural ed treatment ed aids ed medications comparison
ed drugs over the counter over the counter ed medication non prescription ed drugs
buy ed pills ed for men ed drugs
prednisone pill prednisone 10 mg over the counter prednisone daily use
cialis manufacturer coupon 2019 cialis 10mg tablets what is cialis black 800mg
purchase stromectol online ivermectin 200
modafinil 100mg generic provigil 100mg ca
order generic provigil 200mg provigil online buy
buy provigil pill buy provigil 100mg
buy generic provigil 200mg buy provigil sale cheap modafinil 200mg
modafinil 100mg price
generic modafinil
erythromycin eye drops https://erythromycin1m.com/#
buy modafinil 100mg pill
modafinil pill provigil 100mg cost buy modafinil 200mg online cheap
purchase modafinil for sale
is erythromycin a penicillin http://erythromycinn.com/#
erythromycin ophth ointment 3.5 gm clindamycin vs erythromycin
erythromycin oint
erythromycin iv erythromycin side effects
cialis on line pharm cialis
[url=https://stromectolgf.online/#]stromectol 15 mg[/url] ivermectin buy nz
free cialis medication generic tadalafil 20mg india
[url=https://drwithoutdoctorprescription.online/#]prescription drugs[/url] buy anti biotics without prescription
[url=https://drwithoutdoctorprescription.site/#]prescription drugs online without[/url] best canadian pharmacy online
erythromycin topical solution
plaquenil pills order plaquenil for sale
https://sildenafilmg.com/ viagra from canada
https://sildenafilmg.online/# viagra amazon
https://sildenafilmg.online/# where to buy viagra
otc hydroxychloroquine for sale
zithromax 250 mg pill order zithromax over the counter
doxycycline 100mg capsules price 100 doxycycline
buy hydroxychloroquine pills
[url=https://buymetformin.best/#]generic metformin prescription mexico[/url] metformin on line
metformin buy australia metformin 1000 mg pill
https://buynolvadex.store/# tamoxifen
best treatment for ed ed meds online without doctor prescription
neurontin 500 mg tablet neurontin 600 mg coupon
prescription drugs amoxicillin without a doctor’s prescription
buy generic ciprofloxacin ciprofloxacin 500mg buy online
https://diflucan.icu/# diflucan 200 mg capsules
neurontin prices generic neurontin buy online
neurontin 100 mg cost generic neurontin 300 mg
cost of diflucan diflucan 150 mg prescription