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There is no single global standard that completely defines panty liner quality. Manufacturers should combine destination-market regulations, a documented quality-management system, buyer specifications, recognized test methods, risk-based hygiene controls, and lot-release criteria. The product is acceptable only when safety, performance, construction, packaging, and traceability requirements are all met.
The master specification should identify every material and measurable finished-product requirement. It should include drawings, tolerances, bill of materials, approved suppliers, test methods, sample sizes, acceptance limits, packaging, coding, artwork, shelf life, and change-control rules. Descriptions such as “premium softness” are not release criteria unless linked to an agreed method or reference sample.
| Material | Typical checks |
|---|---|
| Topsheet/nonwoven | Identity, basis weight, width, tensile, hydrophilicity, appearance, odor, contamination |
| Core materials | Weight, moisture, absorbency-related properties, cleanliness, supplier lot and certificates |
| SAP | Grade identity, moisture, particle distribution, retention or supplier performance data |
| Backsheet film | Thickness, barrier, print, pinholes, winding, breathability claim evidence |
| Adhesive/release material | Grade, application window, peel/release, ageing, residue, odor |
| Printed packaging | Artwork version, colour, dimensions, barcode, language, sealability |
Monitor line speed, web tension, layer registration, core weight and position, adhesive temperature and coat pattern, embossing, finished dimensions, cut quality, fold, wrapper sealing, and reject-system function. Control charts can reveal drift before products exceed tolerance. When a critical result fails, isolate material produced since the last verified check.
EDANA’s guidance for feminine hygiene products identifies several relevant performance areas for pads and liners: strike-through or penetration time, wetback, absorption/retention, and adhesion/stay-in-place performance. The selected method must state the test liquid, dose, loading, pressure, conditioning, and sample preparation.
Additional checks can include total weight, thickness, core integrity, barrier leakage, dimensions, visual defects, odour, flexibility, package seal strength, count, coding, and transit resistance.
Requirements depend on the market, product claim, material, and applicable regulation. A risk-based programme may cover environmental hygiene, raw-material controls, microbiological limits, restricted substances, fragrance or lotion declarations, heavy metals or trace chemicals where required, and supplier documentation. Testing should be performed by qualified laboratories using suitable methods.
Acceptance Quality Limit sampling can classify defects as critical, major, or minor and determine sample size and acceptance numbers. It is useful for visual and dimensional inspection, but it cannot replace process control or safety testing. A rare critical defect may require zero acceptance even when cosmetic defects use a statistical allowance.
Every released lot should connect finished cartons to material lots, line, date, shift, inspection records, and disposition. Measuring equipment must be calibrated or verified. Any change to a supplier, material grade, adhesive, artwork, machine setting, test method, or packaging component should follow documented review and, where necessary, buyer approval and revalidation.
In the United States, menstrual pads fall under FDA device classifications and establishment or quality obligations depend on product type and applicable exemptions. In Europe, product claims, chemical requirements, packaging, and voluntary schemes such as the EU Ecolabel must be assessed separately. Certificates should be verified for scope, issuing body, validity, and the exact product or site covered.
Audit document control, training, sanitation, pest control, supplier qualification, incoming inspection, line clearance, calibration, maintenance, nonconforming product, corrective action, complaint handling, traceability, sample retention, laboratory methods, warehouse conditions, and export-release records.
BI-Ehealthcare presents its quality and manufacturing capabilities in the company profile and supports OEM/ODM product specifications for wholesale panty liner programmes.
Core tests usually include dimensions, weight, thickness, strike-through, wetback, absorption or retention, adhesive performance, barrier integrity, package seals, and visual inspection.
No. It demonstrates a quality-management framework, but buyers still need product specifications, test evidence, traceability, and market-specific compliance.
A defect that could create an unacceptable safety, legal, contamination, or severe functional risk. Critical defects are normally subject to very strict acceptance rules.
Frequency should be based on process risk, line speed, historical capability, material changes, and buyer requirements, with checks at startup, intervals, changes, and end of run.
A controlled quality agreement should require notification and approval for changes that may affect safety, performance, claims, packaging, or regulatory status.
BI-Ehealthcare supports OEM and ODM feminine hygiene projects covering material selection, absorbency design, sample development, packaging, quality control and export coordination. Contact BI-Ehealthcare with your target market, size, absorbency, pack count and expected order volume.
