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When evaluating Super Poly (often used for tracksuits and sportswear), you must prioritize weight (GSM), typically ranging from 160g to 230g, and the finishing process. Ensure the fabric has a brushed backside for comfort and a glossy/matte finish on the front as per your market preference. Verify the yarn count (e.g., 75D/144F) to ensure the desired softness and durability.
Request test reports confirming a Color Fastness Grade of 4 or higher (ISO 105-B02) to prevent fading. For international compliance, ensure the supplier meets OEKO-TEX® Standard 100 or REACH requirements, which certify the absence of harmful substances like azo dyes and heavy metals, essential for apparel sold in the EU and North American markets.
Depending on your end-use, you should ask for additional treatments such as Moisture Wicking (Quick-Dry), Anti-Pilling, and Anti-Static finishes. For outdoor or team sports, UV Protection (UPF 50+) and Antibacterial treatments are highly recommended to increase the product's value and performance longevity.
Implement a 4-Point System inspection (ASTM D5430) to quantify defects per 100 square yards. You should also request a pre-production sample (PPS) for approval and a shipping sample from the actual bulk lot. Ensure the shrinkage rate is controlled within ±3% to avoid sizing issues during garment manufacturing.
Always specify a Lab Dip approval process using Pantone TCX/TPX codes before mass production. Include a clause in your contract that bulk color must match the approved sample by 95% or more under standard D65 light sources. For large orders, sourcing from a single dye lot is critical to avoid shading differences between rolls.
Focus on Total Landed Cost rather than just the FOB price. Negotiate for flexible MOQs if you are testing new colors, and ask for volume-based rebates (e.g., a 3-5% discount if annual volume exceeds 50,000 meters). Utilize the Secured Trading Service on Made-in-China.com to ensure payment safety until the goods pass inspection.
Ensure rolls are double-wrapped in strong poly bags with a woven outer layer to prevent moisture ingress and tearing during sea transit. Each roll must have a packing list sticker indicating the gross weight, net weight, and yardage. For container loading, request desiccant silica gel packs to prevent 'container rain' and mold growth during long-haul shipping.
Verify the correct HS Code (typically 6006.32 for dyed synthetic knitted fabrics) to calculate import duties accurately. Be aware of Anti-Dumping Duties (ADD) that some countries (like India or the USA) may impose on Chinese polyester. Always request a Certificate of Origin (CO) or Form E/Form F to benefit from preferential tariff rates under Free Trade Agreements.
