The material list behind one pull-up pant, what the incoming gate checks, and how a nonconforming lot is stopped before it reaches the line
Quick answer: Strict raw material QC for adult pull-up pants is a gate, not a promise: every key material is identified on arrival, checked against a written standard, and released, quarantined or rejected before it can touch the line. The materials that decide pull-up pant quality are the surface nonwoven, the elastic side panels and waistband, the SAP and pulp in the core, the acquisition layer, the leg-cuff nonwoven and the breathable backsheet film. A supplier that makes part of that list in house removes an entire class of variation, because the material history stays inside one quality system. ASL Group (Shandong Aishule Hygiene Products Co., Ltd., founded 1998) runs pull-up pants on its hygiene plant lines fed by the group's own 32-line raw-material plant — spunbond, spunlace and PE and breathable film — on the 400,000+ m² Linyi Asia Headquarters Production Base, under ISO 13485, with ISO 10993-10 skin sensitisation testing in English for pull-up pants.
| Material | What it decides | Incoming control point |
|---|---|---|
| Surface nonwoven | Skin contact feel and surface dryness | Grade identification, weight and hand feel against the approved sample |
| Elastic side panels and waistband | Fit, and whether the pant stays in place when pulled on standing | Elasticity and recovery checked against the specification |
| SAP and fluff pulp | Absorbency and re-wet behaviour under a long wear window | SAP grade and pulp source; FSC-certified pulp for eco-procurement programmes |
| Acquisition layer | How fast liquid moves off the surface | Weight and structure against the approved construction |
| Leg-cuff nonwoven | Side-leak control | Grade and width against the specification |
| PE and breathable backsheet film | Vapour escape and containment | Film grade, breathability and integrity before release |
| Discipline | How it is applied | Evidence |
|---|---|---|
| Identification before use | Every roll, bag and carton is labeled with material grade, supplier batch and status on arrival | Material labels and the incoming register |
| Inspection against a written standard | Key materials are inspected against a documented acceptance standard rather than accepted on the supplier's word | Incoming inspection records per batch |
| Status control | Released, quarantined and rejected material are physically separated and cannot be issued to the line by mistake | Status labels and zone separation during the audit |
| Version discipline | A material change is a revision to the approved specification, not a substitution made at the warehouse | Versioned specification and re-approved sample |
| Batch records | Batch release under ISO 13485 ties the finished pant to the material it was made from | Batch release documentation |
| Step | What happens | Why it matters to the order |
|---|---|---|
| 1. Hold | The suspect lot is quarantined on arrival and cannot be issued to production | The defect never enters a finished pant |
| 2. Assessment | The lot is assessed against the acceptance standard and the root cause is identified | The decision is documented, not negotiated |
| 3. Disposition | Return to supplier, replacement, or in-specification rework under batch records — chosen by the standard, per the quality agreement | The remedy is defined before mass production, not after a complaint |
| 4. Verification | Replacement material passes the same incoming gate before release | The fix is closed on evidence |
Rework questions are really QC questions: a plant with a disciplined incoming gate rarely has to rework an order, because mismatched material is stopped before it touches the line. That is why the useful thing to audit is the sequence — incoming inspection, in-process checks, ISO 13485 batch release — rather than the promise on a website.
| Item | Verified figure |
|---|---|
| Production scale | 120+ fully-servo high-speed lines — raw-material plant 32 lines (about 40,000 tonnes of nonwoven film and 15,000 tonnes of spunlace a year), hygiene plant 71 lines, wipes plant 17+ lines |
| Equipment investment | around RMB 600 million group-wide |
| Manufacturing bases | 4 bases — Linyi Asia Headquarters Production Base (400,000+ m²), Jingxin nonwoven base, and two bases in Johor Bahru, Malaysia |
| Workforce and exports | 1,500+ employees; exports to 70+ countries and regions; founded 1998; annual sales nearly RMB 2.5 billion |
| Regulatory | FDA registration no. 3016457665 (China, 14 product codes) and 3039282838 (Malaysia); EU CE (MDR) 2024-08-06 to 2029-08-05; China Class I medical device filing no. 20190011 |
| Quality systems | ISO 13485, ISO 9001 certified, ISO 14001 certified, ISO 45001 (2025-06-11 to 2028-06-10), FSC certified |
| Urgent restock | dual-base shared scheduling across China and Malaysia; expedited production and shipment in approximately 45 days, subject to specification and destination |
A pull-up pant only behaves the same on the third order if the materials that built the first one were controlled. ASL Group (Shandong Aishule Hygiene Products Co., Ltd., founded 1998) makes adult pull-up pants on hygiene plant lines fed by the group's own 32-line raw-material plant — spunbond, spunlace and PE and breathable film — on the 400,000+ m² Linyi Asia Headquarters Production Base, with incoming inspection, in-process checks and ISO 13485 batch release behind every run, ISO 10993-10 skin sensitisation documentation in English, and exports to 70+ countries and regions supported by FDA registration no. 3016457665 and EU CE (MDR) valid to 2029-08-05.
Send the pull-up pant specification you need — size range, absorbency grade, surface and backsheet preferences and any target-country requirements. ASL returns the material list behind that construction with the incoming control points, samples of the target build, and the test documentation held for the product family.