Practical solutions in a critical environment
Many “hard-to-clean” failures are not about access — they’re about contact control.
On intersecting surfaces, small joints, radiused corners, and tight channels, a rigid swab tip can chatter, skate, or dig an edge and leave behind a thin, smear-prone film.
Operators compensate by scrubbing, over-wetting, or reworking the same line with a loaded face, and the outcome is usually predictable: streaks, drying rings, or redeposited residue that shows up under inspection.
TX709A is built for that reality. The medium, flexible-head design is meant to maintain a more compliant contact patch in confined geometry so you can keep
directional stroke discipline and avoid turning the step into an operator-dependent “feel” activity.
The 100 PPI polyurethane foam head supports controlled solvent pickup and particulate capture, while the swab’s geometry helps you work corners and joints without flooding the area.
Low-linting outcomes depend on technique and surface condition. No swab is truly lint-free; edge sharpness, surface roughness, solvent load, contact pressure, and stroke discipline govern what you see on the part.
What is this swab used for
Texwipe TX709A is used for precision cleaning and controlled solution application in small or recessed areas where wipes cannot maintain stable contact. It is commonly selected for
corners, joints, intersecting surfaces, small channels, and compact hardware features that benefit from a compliant head rather than a rigid tip.
Typical applications include applying and removing lubricants, adhesives, and process solutions; cleaning with compatible solvents (IPA is common — validate compatibility with your surface/coating/ink/adhesive system);
lifting particulate; and removing light films when the process requires repeatable technique rather than aggressive scrubbing.
Food-area program note (NSF): TX709A is listed by the manufacturer as NSF certified for use as a cleaning swab (P1) in and around food processing areas, with the standard restriction that it must not have direct contact with food or potable water and must be used per the manufacturer’s directions.
Why should customers consider this swab
- Flexible-head geometry helps maintain contact in corners and joints, reducing the tendency to dig edges or skip across surfaces.
- 100 PPI polyurethane foam supports controlled solvent pickup and release for thin-film work when “damp” technique is maintained.
- Published typical ion extractables and NVR data help establish realistic background expectations in residue-sensitive cleaning and investigations.
- Silicone-free and amide-free bag packaging supports processes sensitive to common trace-transfer variables.
- Lot-coded packaging supports investigations and change-control discipline in ISO-aligned programs.
- Trademarked light-green handle with “TEXWIPE” embossed on the handle is a practical line-level identity and segregation cue.
- Inner-bag configuration (2 inner bags of 50) supports point-of-use handling discipline and reduces repeated full-bag openings at the bench.
Materials and construction
Head: 100 PPI CleanFoam® polyurethane foam
Head support: flexible head paddle (manufacturer-listed as nylon head paddle for this geometry class)
Head bond (TX709A listing): thermal/epoxy
Handle: 100% virgin polypropylene; handle color: light green
Practical implication: TX709A is designed to be compliant without being sloppy. Use enough pressure to keep the foam face engaged, then back off slightly.
Treat burrs and sharp edges as a process risk: reduce pressure near edges, avoid dragging the foam across sharp corners, and do not “power through” snag points that can create local particle release or smear.
Specifications in context
TX709A’s value is not “small head” alone — it’s the combination of a compact foam head and a geometry intended to keep contact stable inside confined features.
Use head width and length to standardize overlap and stroke count. Use head thickness to manage wetness control: thinner heads can feel “quick” in a joint, but that makes
damp technique and early face rotation more important to prevent streaking.
The handle length (and how you grip it) matters for stability so gloves and sleeves stay out of the cleaning path.
| Attribute |
TX709A |
| Head material |
100 PPI CleanFoam® polyurethane foam |
| Head width |
4.8 mm (0.189") |
| Head thickness |
4.2 mm (0.165") |
| Head length |
12.0 mm (0.472") |
| Handle material |
polypropylene (virgin) |
| Handle width |
4.3 mm (0.169") |
| Handle thickness |
4.3 mm (0.169") |
| Handle length |
92.5 mm (3.642") |
| Total swab length |
104.0 mm (4.08") |
| Head bond |
thermal/epoxy |
| Handle color |
light green |
| Design notes |
flexible head paddle; medium handle |
Cleanliness metrics
The values below represent typical analyses and are not per-unit specifications.
Use them as a baseline for risk assessment, method development, and troubleshooting.
If you run film-sensitive work (optics, polished metals, coated parts) or you validate cleaning (TOC, HPLC/UV-Vis, ion chromatography),
qualify the swab with your solvent, your surfaces, your stroke count, and your inspection method so the swab does not become the dominant background signal.
Typical ion extractables (µg/swab)
| Ion |
TX709A |
| Calcium | 0.02 |
| Chloride | 0.54 |
| Fluoride | 0.01 |
| Magnesium | 0.01 |
| Nitrate | 0.11 |
| Phosphate | 0.03 |
| Potassium | 0.13 |
| Sodium | 0.15 |
| Sulfate | 0.17 |
Typical nonvolatile residue (NVR) (mg/swab)
| Extractant |
TX709A |
| DIW extractant | 0.15 |
| IPA extractant | 0.24 |
Operator takeaway: flexible heads can make it easier to overwork a corner. Keep the head damp, rotate faces early, and stop when drag increases.
If you see a drying ring, reduce solvent load and shorten the end-of-stroke so the corner does not pool.
Packaging, sterility and traceability
- Packaging (TX709A): 100 swabs/bag (2 inner bags of 50 swabs); 10 bags/case; 1,000 swabs/case
- Bag packaging controls: silicone-free and amide-free bag packaging
- Sterility: non-sterile (sterile CleanFoam® variants exist; do not assume a one-for-one substitute — confirm geometry, packaging presentation, and method impact)
- Shelf life (series statement): non-sterile 5 years from date of manufacture; sterile 3 years from date of manufacture
- Traceability cues: lot coded packaging supports investigations; “TEXWIPE” embossed handle and light-green handle color support practical line segregation
- Country of origin (manufacturer statement): Non-sterile – Made in The Philippines; Sterile – Made in The Philippines, irradiated in the U.S.
Best-practice use
Treat TX709A as a controlled transfer tool. The goal is stable contact and controlled solvent delivery, not aggressive scrubbing.
Define stroke count, define overlap, and define discard triggers so operators do not “chase” a film line by reworking it with a loaded face.
Operator-level swabbing technique module
- “Damp” solvent technique: Wet the foam, then reduce to damp — not dripping. A practical check is one touch to a controlled blot surface to remove excess. You want a light, even wet track, not a bead.
- Stroke count logic: Use single-direction strokes with overlap. Start with 2–4 controlled passes on a defined area, then stop and inspect. Rotate to a fresh face early. Discard when drag increases, the face shows visible loading, or the work starts to streak.
- Geometry control: Use the flexible head to keep contact flat in a corner — not to increase pressure. Avoid wrist twist that drags an edge through residue and creates a line at the end of the stroke.
- Pressure guidance: Apply enough pressure to maintain contact, then reduce slightly. Excess pressure can squeegee mobilized residue into a corner line and can abrade soft coatings.
- Solvent compatibility framing: IPA is common. Validate compatibility with the surface, coating, ink, and adhesive systems. If residue does not dissolve, change chemistry or dwell strategy rather than increasing pressure or stroke count.
- Handling discipline: Stage only what you need. Use inner bags (50-count) as point-of-use packs to reduce repeated bag opening. Do not re-dip a used swab into a shared solvent reservoir; decant into a small working vessel and refresh it.
Common failure modes
- Over-wetting and flooding a corner or joint, leading to pooling and visible drying rings.
- Reworking the same line with a loaded face, causing streaks and redeposition.
- Using the flexible head as permission to increase pressure, which can squeegee residue into an end-of-stroke line.
- Circular scrubbing that smears mobilized films instead of lifting and capturing them.
- Cross-contaminating solvent by re-dipping or using a shared reservoir without decant-and-refresh discipline.
Closest competitors
The closest alternatives are cleanroom foam swabs designed for recessed cleaning and intersecting surfaces, where the selection hinges on head geometry (flex vs rigid),
bond method, published cleanliness data, and packaging/traceability controls. Compare how each option manages wetting behavior (flooding risk), snag resistance near edges,
and whether published extractables/NVR data and lot coding support investigations.
- Contec foam swab formats (cleanroom-processed classes): Compare head geometry for corner compliance, documentation depth, and packaging controls for your residue/ion sensitivity.
- Berkshire foam swab classes: Evaluate solvent behavior (pickup/release), consistency, and whether typical extractables data are available for your qualification package.
- Puritan foam swab formats (comparable length classes): Confirm packaging discipline, lot coding, and the level of published cleanliness support for investigation-prone steps.
Critical environment fit for this swab
TX709A fits work where small-feature contact control matters: corners, joints, intersecting surfaces, and compact channels where a rigid foam tip can skip or dig.
It is a strong choice when you want a defined swab geometry to support consistent, auditable technique rather than operator-dependent scrubbing.
SOSCleanroom’s relationship with ITW Texwipe supports continuity of supply and documentation discipline, which reduces the risk of unplanned substitutions that change wetting behavior and background extractables.
That matters in ISO-aligned cleanroom programs and in regulated environments where documentation expectations often track FDA quality systems and standards-driven methods associated with ASTM and IEST.
Operational support matters, too. Fast shipping and responsive customer service help keep validated work instructions intact by preventing “make-do” material swaps when production schedules tighten.
SOSCleanroom note about SOP's
The Technical Vault is written to help customers make informed contamination-control decisions and improve day-to-day handling technique.
It is not your facility’s Standard Operating Procedure (SOP), batch record, or validation protocol.
Customers are responsible for establishing, training, and enforcing SOPs that fit their specific risks, products, equipment, cleanroom classification, and regulatory obligations.
Always confirm material compatibility, cleanliness suitability, sterility requirements, and acceptance criteria using your internal quality system and documented methods.
If you want help selecting a swab family, packaging presentation, or documentation set for qualification, SOSCleanroom can support the sourcing and program discussion — your team owns the final process decision.
Source basis
- SOSCleanroom product page (TX709A): https://www.soscleanroom.com/product/swabs/texwipe-tx709a-cleanfoam-medium-flexible-head-swab-closed-cell/
- Texwipe manufacturer product page (TX709A): https://www.texwipe.com/medium-flexible-head-tx709a
- SOS-hosted technical data sheet (CleanFoam® Series A including TX709A): https://www.soscleanroom.com/content/texwipe_pdf/706a%20707a%20708a%20709a%20710a%20712a.pdf
- Texwipe technical data sheet: “CleanFoam® Swab Series” (US-TDS-051 Rev. 09/21): https://www.texwipe.com/images/uploaded/documents/Swabs/Texwipe-Cleanfoam-Swabs-TDS.pdf
- International Organization for Standardization (ISO) reference (ISO 14644-1:2015): https://www.iso.org/standard/53394.html
- FDA (Food and Drug Administration): https://www.fda.gov/
- ASTM (American Society for Testing and Materials): https://www.astm.org/
- IEST (Institute of Environmental Sciences and Technology): https://www.iest.org/
SOSCleanroom is the source for this Technical Vault entry.
Briefed and approved by the SOSCleanroom (SOS) staff.
Questions: If you have any questions please email us at Sales@SOSsupply.com
Last reviewed: January 6, 2026
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