
Quality control procedures for raw materials and trims and accessories form the essential 'pre-production' foundation of garment manufacturing. This process ensures that only defect-free inputs enter the production line. Since raw materials typically account for about 70% of a garment's cost, these early quality control procedures are vital for ensuring profitability.
Quality control procedures for trims and accessories in garment manufacturing involve strict inspection of materials (buttons, zippers, labels) upon receipt, typically adhering to AQL 1.5/2.5 standards to ensure compliance with approved samples, colorfastness, and functional performance. Key steps include 100% inspection if lots fail initial sampling, testing for washing/rubbing, and checking for defects such as color, size, or logo inaccuracies.
Incoming Inspection: In the garment manufacturing process, trims and accessories are thoroughly checked upon arrival at the factory by a Quality Control (QC) team adhering to AQL 1.5 standards.
Sample Comparison: All items are rigorously compared against the approved trim card, lab dips, and technical specifications provided by merchandising to ensure compliance with quality control procedures.
Testing Procedures:
Color Fastness: Colored labels, tapes, and accessories undergo testing for rubbing and washing durability.
Functionality: Zippers, buttons, and fasteners are assessed for strength and functionality, including the smoothness of zip movement.
Metal Check: Metal components are passed through a metal detector to identify any potential broken needles or metallic contaminants.
Sample Size: A common practice in quality control procedures is to check 10% of the total received quantity (10% of each carton); however, if defects exceed acceptable limits, a 100% inspection is initiated.
Reporting & Action: Defect reports are meticulously created, and in cases of failure, the non-compliant materials are returned or replaced by the supplier.
Issues such as incorrect or missing Country of Origin, incorrect or missing fabric composition, and incorrect or missing care instructions or symbols can significantly impact garment manufacturing. Additionally, non-compliance with language or bilingual regulations on labeling, printing, and packaging poses challenges in quality control procedures. Other concerns include incomplete label information, whether related to law and mandatory regulations or not, as well as incorrect or missing vendor codes, brand logos, style numbers, and price information. Errors like wrong bar code numbers and missing or incorrect tracking labels for children’s products need attention, particularly since the metallic components must pass through metal detectors for safety. Shipping cartons must also meet client requirements, including specifications for corrugated plies and bursting seals. Other quality control issues could involve rusted or oxidized metal accessories, damaged markings or labeling, print spots, dirty packaging, or damaged polybags. Packages not as specified, accessories that are not as described or damaged, and illegible or incorrect printing on price tags, labels, and packing slips can undermine the integrity of the product. Additionally, printing that is blurred or unclear, broken or damaged buttons, button style mistakes, non-functional zipper runners, and wrong text prints can all detract from the quality of trims and accessories. Material that is wrinkled also needs to be addressed to maintain the standards expected in garment manufacturing.
In garment manufacturing, quality control procedures are essential to identify functional defects such as zippers not working, buttons breaking, or elastics failing strength tests. Additionally, visual and dimensional defects like wrong shades (colors), incorrect sizes, print mistakes, broken items, or incorrect supplier codes must be addressed. Furthermore, attachment issues, including improper placement of labels or tags, can compromise the overall quality of trims and accessories.
Labels & Tags: Wording layout, color, and spelling accuracy are essential in garment manufacturing. Sewing Thread: Ensure shade, strength, and correct specification meet quality control procedures. Elastics & Tapes: Check measurements (width/length) and color bleeding for all trims and accessories. Timeframe: Inspection should ideally occur within 72 hours of receiving the materials to ensure timely production.
Raw Material Inspection: Verification of yarn, fiber, and fabric for color consistency and texture upon arrival is crucial in the garment manufacturing process. Visual Inspection (4-Point System or 10% of the total volume): A standardized method where trims and accessories are graded based on points assigned to defects (yarn quality, stains, slubs) according to size. A total score is used to accept or reject the trims. Physical & Chemical Testing: Shrinkage: Ensures elastic retains size after washing/steaming. Color Fastness: Tests resistance to fading, bleeding, rubbing, or light. GSM (Weight) Testing: Confirms the weight per square meter. PH Level Testing: Confirms the fabric is skin-friendly, which is essential in quality control procedures.
Standard Body / Focus Area
AATC / Dyeing, washing behavior, and appearance in garment manufacturing
ASTM / Physical properties like strength and pilling, essential for quality control procedures
ISO / Global general methods for tensile and colorfastness, ensuring high standards in trims and accessories
GOTS / Environmental and social criteria for organic textiles
Our Company focuses on the following core components of raw materials essential in garment manufacturing:
Trims Quality: Inspectors assess the weight of accessory inner materials, print standards, and 'hand feel' against approved samples as part of our quality control procedures.
Physical Defects: Identification of weaving or knitting faults, color shading inconsistencies, dye spots, or odors is crucial for maintaining quality.
Trims & Accessories: Verification that buttons, zippers, fasteners, and threads match the required quality, strength, and color is vital in our quality control procedures.
Labeling Compliance: We confirm that care labels include the correct fiber content, country of origin, and mandatory safety warnings (e.g., flammability or suffocation warnings for kids' wear) to ensure compliance in garment manufacturing.
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