Spandex nylon polyester fabric

Buyers must prioritize GSM (Grams per Square Meter), which determines the fabric's thickness and opacity; for leggings, a range of 250-320 GSM is standard to ensure 'squat-proof' quality. The composition ratio is equally critical—typically 80% Nylon/20% Spandex for high-end activewear due to its superior hand-feel, or Polyester blends for better sublimation printing clarity. Additionally, verify the four-way stretch recovery rate to ensure the garment maintains its shape after repeated use.

For global trade, ensure the fabric carries the OEKO-TEX® Standard 100 certification, guaranteeing it is free from harmful substances. Depending on the end-use, you should request functional finishes such as Moisture Wicking (Quick-Dry), Anti-Bacterial/Anti-Odor (Silver Ion technology), and UPF 50+ UV protection. For the European market, compliance with REACH regulations regarding chemical dyes is mandatory.

Request a Grade 4 or higher rating on the ISO 105-C06 scale for colorfastness to washing and ISO 105-X12 for rubbing (crocking). It is highly recommended to ask for a Pilling Resistance test report (ASTM D3512) to ensure the surface doesn't fuzz after friction. Always demand a pre-production sample (PPS) to verify that the bulk dye lot matches the approved lab dip under standard D65 light sources.

Color shading between different production batches is a common risk. To mitigate this, include a clause in your contract requiring central-to-selvage color consistency and a maximum Delta E (ΔE) variance of < 1.0. Utilize Made-in-China.com's inspection services to have a third-party auditor verify color consistency across multiple rolls before the balance payment is made.

While standard MOQs for custom-dyed fabric are often 500kg to 1,000kg, many suppliers on Made-in-China.com offer 'Ready-to-Ship' colors with MOQs as low as 1 roll (approx. 20-25kg). When negotiating, offer a forecast of annual volume to secure lower unit prices, but start with a smaller trial order to test the supplier's lead time reliability, which should typically range between 15 to 25 days for custom orders.

Synthetic fabrics are sensitive to moisture and pressure. Ensure the supplier uses double-layer packaging: an inner transparent PE bag to prevent moisture ingress and an outer durable woven bag to prevent tearing. Rolls should be packed on fumigated pallets for LCL (Less than Container Load) shipments to avoid deformation of the fabric cores, which can cause permanent creasing.

Always conduct transactions through Secured Trading Services provided by reputable platforms like Made-in-China.com. This ensures your funds are held in escrow and only released once you confirm receipt of goods that meet your specifications. Avoid direct wire transfers to private accounts and always verify the supplier's Business License and Export Qualification through the platform's audited supplier reports.