Texwipe TX3217 Sterile TechniSat (9" × 11") is a sterile, pre-wetted cleanroom wiper engineered to remove a common “hidden variable” in controlled cleaning: how the solvent step is delivered. Instead of squeeze bottles, shared reservoirs, or open beakers that drift by evaporation and back-contamination, TX3217 delivers a repeatable 70% IPA / 30% DI water condition in a sealed, resealable flex-pack format.

The control value is operational. When every wipe is loaded consistently, teams reduce streaking, pooling, mid-pass re-wetting, and “mystery residue” re-clean cycles that come from inconsistent solvent handling rather than the surface itself. In sterile workflows, TX3217 adds a second layer of discipline: sterile presentation and lot documentation that supports audit readiness and faster investigations when a trend shifts. :contentReference[oaicite:1]{index=1}

TX3217 is best used for sterile, routine wipe-downs where repeatable wetness and reduced open-solvent exposure matter: benches and staging areas, equipment exteriors, carts, fixtures, and controlled cleaning steps where the process goal is consistent soil removal without solvent variability. It is supplied as a sterile, pre-wetted wiper saturated with 0.2 µm filtered 70% IPA / 30% DI water and packaged for point-of-use dispensing.

TX3217 earns its place when the solvent step must be treated as a controlled input rather than an operator-dependent variable:

• Standardized solvent delivery: pre-wetted format reduces dilution errors, evaporation drift, and re-wetting habits that turn cleaning into redistribution.
• Sterility posture: gamma irradiated to a 10⁻⁶ SAL with lot documentation (CoC/CoA/processing/irradiation) available for sterile products. :contentReference[oaicite:4]{index=4}
• Solvent quality alignment: for sterile products, the TechniSat program lists USP-grade IPA fill for TX3214 and TX3217. :contentReference[oaicite:5]{index=5}
• Practical packaging control: resealable flex-pack helps prevent “half-dry / half-wet” drift and reduces incidental exposure versus open stacks.
• Consumption planning that matches reality: 20 wipes per flex-pack, 24 flex-packs per case supports kitting and staged issuance without breaking sterile intent.

TX3217 uses a hydroentangled polyester/cellulose nonwoven substrate. Hydroentanglement matters because the web is mechanically interlocked rather than binder-heavy—helpful when you are trying to keep extractables behavior predictable under alcohol/water exposure.

In practical wiping, the cellulose component improves wet-out and pickup (especially on aqueous films), while polyester supports tensile strength so the wipe maintains integrity when folded, pressed into corners, or used in longer wipe paths typical of equipment wipe-downs.

Terminology note: TX3217 is engineered for low-linting performance; no wiper is truly “lint-free” in every process condition. Technique (pressure, stroke direction, surface texture, and face rotation) is still the dominant control lever.

For many facilities, the defensible reason to standardize a pre-wetted wipe is repeatability first, then contamination background (releasables, residues, and ions). Manufacturer documentation for the TechniCloth/TechniSat family frames performance data as typical analyses, which should be treated as a qualification starting point rather than a contractual specification. :contentReference[oaicite:9]{index=9}

Typical values published for this family include particles and fibers, NVR in common extractants, and ionic extractables (example typical ions shown include sodium, potassium, and chloride), along with absorbency metrics such as sorptive capacity and rate. Use these data to place the wipe in the right tier, then confirm fit in your own solvent contact time, surface sensitivity, and acceptance window—especially when streaking, spotting, corrosion sensitivity, or residue visibility is a known defect mechanism. :contentReference[oaicite:10]{index=10}

In sterile or aseptic-adjacent workflows, contamination risk is frequently handling-driven. A resealable pack reduces exposure time and discourages “top-off” behaviors that undermine repeatability. TX3217’s sterile posture and lot documentation support faster investigations and stronger change control when audit questions arise. :contentReference[oaicite:11]{index=11}

Safety note: pre-wetted wipes containing IPA are flammable. Follow your facility’s controls for storage, ventilation, and ignition-source management.

TX3217 performs best when technique matches the intent of a standardized solvent step:

• Face control: fold consistently to create multiple clean faces; treat each face as single-pass for higher-control wipe-downs.
• Stroke discipline: use overlapping, single-direction strokes (cleanest to dirtiest); avoid back-and-forth scrubbing that redistributes dissolved soils.
• Wetness discipline: “pre-wetted” should still behave like damp cleaning in most wipe-downs. If you are pooling, you are over-delivering solvent to seams and interfaces.
• Do not top off: adding solvent changes loading and undermines the reason you chose a controlled pre-wet format.
• Escalation logic: if residue sensitivity is the limiting factor, define a finishing step (often a tighter-control polyester knit/sealed-edge wipe) rather than forcing a general pre-wet wipe to do final-pass work.

Pre-wetted wipes do not eliminate failure modes; they shift the control points to technique and role clarity:

• Streaking from over-wetting: prevent by shortening wipe paths, swapping faces early, and avoiding seam flooding.
• Redistribution from overuse: once the wipe face is loaded, it becomes a transfer tool; face rotation and early discard are the control.
• Using the wrong architecture for the finish: if the step is ultra-residue-sensitive, define a finishing wipe rather than “wiping harder.”
• Pack discipline lapses: leaving packs unsealed leads to dry-down and concentration drift—negating repeatability.

The most relevant comparisons are other sterile presaturated 70% IPA wipe programs offered in resealable pouches. When comparing, focus on (1) sterility validation posture and available lot documentation, (2) substrate architecture (polyester knit vs. nonwoven blend), and (3) how well saturation level holds over pack life.

Practical comparator classes include sterile presaturated wipe programs from Contec, Berkshire (SatPax families), and Valutek in similar size and chemistry formats.

TX3217 is a strong choice for the sterile standardized solvent wipe-down tier: a repeatable 70% IPA/DI wetting condition, sterile presentation (gamma irradiated SAL 10⁻⁶), and documentation posture that supports disciplined change control. It is most valuable where the dominant risk is solvent handling variability—especially across shifts—rather than “not enough wiping.” :contentReference[oaicite:12]{index=12}

• SOSCleanroom product page: “Texwipe TX3217 Sterile TechniSat 9" × 11" Polyester and Cellulose Wiper Pre-Wetted 70% IPA” (chemistry and filtration note; flex-pack format; pack/case configuration; application positioning).
• ITW Texwipe technical data sheet (TechniSat/TechniCloth family): sterility and documentation posture (gamma SAL 10⁻⁶; lot certificates available; TX3214/TX3217 USP-grade IPA fill); shelf-life framing for sterile pre-wetted products. :contentReference[oaicite:14]{index=14}
• Test-method context referenced in manufacturer literature (e.g., IEST-RP-CC004.3; ASTM E2090) for typical-value reporting and interpretation. :contentReference[oaicite:15]{index=15}