Diaper

When sourcing diapers, the most critical factor is the Super Absorbent Polymer (SAP) content and quality, which determines the absorption capacity and dryness. For infants, prioritize 3D leak guards and a breathable backsheet to prevent diaper rash. For adult incontinence products, focus on high-tensile strength side tapes and odor control technology. Ensure the pulp-to-SAP ratio is optimized for the specific target market's price point and performance requirements.

Diapers are classified as hygiene products and must meet strict safety standards. For the US market, compliance with FDA regulations and CPSIA (Consumer Product Safety Improvement Act) for lead and phthalate content is essential. For the EU, products must adhere to REACH standards and ideally carry the OEKO-TEX Standard 100 certification to guarantee the absence of harmful substances. Always request ISO 9001 for manufacturing quality and ISO 10993 for biocompatibility/skin irritation testing.

Request a Material Safety Data Sheet (MSDS) for all raw materials, especially the top sheet and adhesives. Ensure the top sheet is made of non-woven hydrophilic fabric that is chlorine-free, fragrance-free, and latex-free to minimize allergic reactions. You should also ask for third-party lab reports verifying the pH value of the surface layer, which should be close to the skin's natural pH (approx. 5.5).

The market is shifting towards eco-friendly and biodegradable materials, such as bamboo fiber top sheets and TFC (Totally Chlorine-Free) fluff pulp. Additionally, wetness indicators have become a standard expectation for premium lines. Sourcing ultra-thin core technology (composite cores) allows for a slimmer fit without sacrificing absorption, which reduces shipping costs due to higher packing density.

The primary risk is quality inconsistency between samples and bulk production, particularly regarding absorption speed and tape adhesion. To mitigate this, implement a Pre-Shipment Inspection (PSI) by a third party. Another risk is moisture damage during sea transit; ensure the supplier uses moisture-proof PE inner packaging and robust master cartons to prevent mold or degradation of the SAP.

Negotiate based on Total Cost of Ownership (TCO) rather than just the unit price. Discuss tiered pricing based on SAP weight (e.g., 8g vs 10g of SAP) to align with your budget. For long-term partnerships, request OEM/Private Labeling services included in the price for orders exceeding a 40HQ container, as high-volume orders significantly lower the per-unit branding cost.

Diapers are high-volume, low-weight goods, so maximizing container utilization is key. Work with suppliers on vacuum-compressed packaging to fit more units per carton. Ensure the shipping documents clearly state the HS Code (typically 961900) to avoid customs delays. For reliable sourcing and verified manufacturers, platforms like Made-in-China.com provide comprehensive supplier audits and trade security.

Always use secure payment methods such as Letters of Credit (L/C) for large volumes or Escrow-based trade assurance services provided by reputable platforms. Avoid direct transfers to private accounts. Ensure the Proforma Invoice (PI) explicitly details the technical specifications, defect rate allowance (usually <1%), and lead times before making a deposit.