Pants Quality Control and Inspection Services in China & Asia

Everything you need to know about Pants' Quality Control

Pants are among the fabrics under soft line industry. They are widely worn by both genders recently.  Back in the previous century pants were reported unpopular fabrics for women and men in Rome and Greece because they were considered unmanly clothes.

They can be defined as material that covered waist to ankle. Trendy leg pants with high-quality material are demanded by both female and male users.  Customers are expecting no less quality. So, here quality control plays mainstream roles to meet the industry code standard.

Pants Inspection Process

Many established test standards are developed to guarantee a high-quality pair of trousers. They must be evaluated throughout numerous stages in the production cycle. General process of pants quality control consists of the following inspections:

  • Material
  • Spreading
  • Marking
  • Cutting
  • Sewing

1. Material Inspection

pants quality control inspection servicesLeg pants are made from variety materials. Cotton, leather, jeans and denim are most commonly used. Ensuring pants quality control, physical properties, fabric nature and fabric quality are needed. Supplier must supply exact material as per ordering.

Material inspection is the first step to ascertain their fiber length, strength and color. Trousers or leg pants material inspection is to verify the pants durability to fit for the next stages manufacturing process.

Material verification includes quantity check, sample comparison, color/ style/ assortment, dimension, weight, accessories & instruction manual (label cards, stickers).

2. Spreading Inspection

Spreading is an action of stretching out of material either by forced or unforced. Necessary spreading inspection that must be done are fabric nature, ply alignment, bowing, splicing, grain-line, shade variation, selvedge alignment & tightness, fabric width, checks and static electricity.

Various trousers or leg pants spreading defects happen because of uneven spreading, narrow material, missed section breaks, improper tension, mismatching plaids, misdirected napping and improper matching of a face of a material. When fabric spread too tight or too loose, this will result in parts not fitting in sewing. Hence, finished pants are not meeting size tolerances.

3. Marking Inspection

pants quality control inspection servicesFactors that must be checked to avoid trousers or leg pants marking defects are shaded parts, pieces not symmetrical, not marked by directional lines, skimpy marking, notches and punch marks, marker too wide, marker too narrow, mismatched plaids and misdirected napping.

Trousers or leg pants marking inspection contribute to the labeling, coding pattern, direction, grain line, accurate dimension, length & width, notches & drill marks, knife clearance and checks & stripes. When the marking is too wide, the edges of the pants will miss a bit of the cutting. The draws line does not match the original size and misalignment.

During trousers or leg pants marking every pattern, lines and dimension should be checked for intended gender and size.

4. Cutting Inspection

pants quality control inspection servicesEssential trousers or leg pants cutting inspection area is needed to control material from frayed edge, fuzzy, ragged/separated edges, ply to ply fusion, single edge fusion, uneven front/ back/side parts, pattern precision, notches & drillers, inappropriate trimming and improper/ unfinished/missing/misaligned button holes.

Common defect for leg pants or trousers are marker/perforator bot stapled/stenciled, misplaced pieces rate tickets/bundle members,  uneven waistband, drill marks, opening slits, disoriented and notches (misplaced/too depth or shallow).

Failure to follow the marker lines resulting in distorted pants parts and wrong grading.

For example, different measure causes a pair of leg pants or trousers not matches each other. The right side is L size, while the left side is M size. Such defect should not have occurred.

5. Sewing Inspection

There are several trousers or leg pants sewing defects that must be considered such as seaming defects, assembly defects, pressing or finishing defects, stitching, skipped a stitch, wrong a stitch density, uneven stitching, wrinkled sewing, staggered stitch, bad seam, irregular hemming and improperly formed a stitch.

Each sewer is assigned to sew as per design according to the pattern scathes. Crucial attention has to be given to place the pocket, zip and belt loops or waistband. Highly consideration is needed at finishing sewing to ensure unnecessary stitches do not appear on the trousers or leg pants.

pants quality control inspection servicesOnce all the stages have done, the most important phase is the production line. The next test would be to check:

  • Button – loose/broken buttons
  • Zipper – inoperative/loose/faulty/too short zippers
  • Pocket – placement/size/color

These will be checked during the production to avoid all the pieces are affected by a similar problem in middle of production. Nothing is more embarrassing than to have a broken button, different size pocket or loose zipper trousers or leg pants.

The pocket is not lying flat, sagging or rolling front and back of the trousers or leg pants. Sometimes, it tends to mismatch of the leg pants size, color and direction. Pants quality control is mandated to certify to evade this common mistake.

After trousers or leg pants passed extensive validation test and meet pants quality control with tight tolerance, they are ready to pack before shipment process and should go through a pre-shipment inspection.  Specified finishing packaging trousers or leg pants are:

  • Label – Logo/barcode/washing instruction/size
  • Tagging

pants quality control inspection servicesFor trousers or leg pants packaging, they are packed into nylon paper bag or boxed according to the sexes and sizes.

The packing and packaging is included unit packing, inner packing, inner box, outer packing, and dimension of export carton, weight of export carton and front/side mark on export carton.

Most manufacturers are facing challenge to balance between pants quality control and maintaining cost control. Quality should be the first priority.

Hope this article gives significant knowledge about quality control to you.Feel free to share your experience with us in the comments or contact us for more details on our process.

We are a team of Quality Control and Quality assurance Expert specialized in Product Inspection , Factory Audit, Quality Consulting, Testing and Certifications in China. Our Quality Control company has decade of experience in Quality inspection in China and aim to secure your productions and import operation all over Asia.

Feel free to contact us here.
About the Author

Product Inspection Services in China & Asia Expert

We are a team of Quality Control and Quality assurance Expert specialized in Product Inspection , Factory Audit, Quality Consulting, Testing and Certifications in China. Our Quality Control company has decade of experience in Quality inspection in China and aim to secure your productions and import operation all over Asia. Feel free to contact us here.

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