A disposable gown is a nonwoven fabric, cut and joined, with cuffs, ties and a fold. That sounds simple. It is, once the fabric is right and the checks are in the right places. Here is the route, and where each check sits on the trail.
1. the Nonwoven
SMS stands for spunbond, meltblown, spunbond. Polypropylene resin is melted and extruded into fine continuous filaments (spunbond) for strength, and into much finer fibres (meltblown) for barrier. The layers are laid and thermally bonded into a roll. Weight is set in grams per square metre. A Level 2 isolation gown might use 35 gsm; a Level 3 surgical gown 45 gsm. A Level 4 gown adds a polyethylene film laminate to make the critical zone impervious. Check: every roll lot is tested for gsm, hydrostatic pressure and impact penetration before it is released to cutting. The certificate goes on the order.
2. Slitting and Cutting
Rolls are slit to width and the gown pattern is cut, usually by die or automated cutter. Pattern layout determines material yield, which is why the material line of a price depends on the size mix. Check: pattern dimensions against the spec on the first pieces of each lot.
3. Seaming
Side seams and sleeves are joined by ultrasonic welding or by sewing. Welded seams keep the barrier continuous, which matters in the critical zone. Sewn seams are stronger on heavy fabrics. Level 3 and 4 gowns get reinforcement panels welded or bonded onto the front and sleeves. Check: seam strength and, on surgical gowns, seam barrier testing on finished garments, not just fabric.
4. Cuffs, Ties and Closures
Knit cuffs are sewn on. Ties or belts are attached at neck and waist, or a hook and loop neck closure on surgical gowns. Thumb hooks on some isolation gowns. Check: attachment strength, and a visual on every piece at the end of the line.
5. Folding and Packing
Surgical gowns are folded for aseptic donning and packed with hand towels in a single or double wrap. Isolation gowns are folded flat and bagged in tens or bulk. Labels and cartons carry the artwork agreed at spec lock. Check: count, label content, carton marks, Trust ID applied.
6. Sterilization
Sterile gowns go through ethylene oxide to ISO 11135, then aeration to bring residuals within ISO 10993-7 limits, then release. Non sterile gowns skip this. Check: biological indicators and the release record.
7. Inspection and Shipping
A third party pre shipment inspection samples the lot to ISO 2859, repeats the key tests, and issues the report you release on. Then the document set is assembled and the container is loaded. Check: the report is on the trail before the balance is due.
Where to Go from Here
Every gown and drape on our protective apparel page is listed with its level, tests and construction. The tariff page carries the current duty picture for US buyers, and the quotation request takes a spec, a SKU or a competitor's item.