| HS Code | 183483 |
| Product Name | Mask Cleaner |
| Category | Mask care device |
| Intended Use | Cleans and sanitizes reusable masks |
| Compatible Items | Cloth masks, fabric face masks, washable filters |
| Cleaning Technology | UV-C light and steam disinfection |
| Power Source | AC adapter or USB power supply |
| Voltage | 110-240V |
| Dimensions | 6.5 x 4.2 x 2.8 inches |
| Weight | 1.2 pounds |
| Material | ABS plastic |
| Capacity | Holds up to 2 standard adult masks |
| Cleaning Time | Approximately 10 minutes per cycle |
| Warranty | 1-year limited warranty |
As an accredited Mask Cleaner factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Each 500 mL bottle of Mask Cleaner comes in durable, leak-proof HDPE packaging with a child-resistant cap and clear safety labeling. |
| Container Loading (20′ FCL) | 20′ FCL: Mask Cleaner chemical packed in sealed containers, labeled, palletized, and secured for safe maritime transport. |
| Shipping | Mask Cleaner ships via ground transport only, in leak-proof, UN-rated containers with proper hazard labeling. Packages are secured upright with absorbent material to prevent spills. Air freight is prohibited due to chemical content. Keep away from heat and direct sunlight during transit. Signature may be required upon delivery. |
| Storage | Store Mask Cleaner in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and open flames. Keep the container tightly sealed when not in use. Avoid storing near food, oxidizing agents, or incompatible chemicals. Ensure the storage area is secure and out of reach of children. |
| Shelf Life | Shelf life is typically 2 years unopened; use within 6 months after opening. Store in a cool, dry place. |
On 150 mm and 200 mm quartz reticle production lines, post-etch residue from chromium hard mask etching is removed in single-wafer spray processors equipped with megasonic transducers operating at 0.95–1.20 MHz. Mask Cleaner concentrate is introduced at 1.0–3.0 wt% into ultrapure water conforming to ASTM D5127-13 Type E-1.2, with resistivity maintained above 18.2 MΩ·cm at 25°C and total organic carbon below 5 µg/L. The process sequence includes a 120-second exposure at 40°C, a 10-second cascading 18 MΩ·cm rinse, and spin-dry under 0.003 µm-filtered nitrogen. Within this controlled window, particle removal efficiency for silicon nitride hard-bake residues above 0.15 µm exceeds the detection baseline of the scanning surface inspection system; however, if solution pH drifts above 9.5 due to evaporative concentration, chromium oxide etch rate on quartz blanks increases to 0.5 nm/min, which violates critical dimension loss allowances for phase-shift mask layers. The terminal products are quartz photomask blanks, alternating phase-shift masks, and pellicle-mounted reticles used in KrF and ArF lithography. Compliance baseline includes ISO 14644-1:2015 Class 3 airborne particulate levels and SEMI F63-0714 ultrapure water quality guidance. Published data for edge-bead cleaning of chemically amplified resist at thickness below 50 nm remains limited.
Employers maintaining reusable half-mask elastomeric respirators under 29 CFR 1910.134(h) must use a cleaning process that removes skin oils, latex proteins, and particulate contaminant cakes without swelling the sealing surface. In a central respiratory protection service facility, contaminated facepieces are disassembled, filter cartridges removed, and immersed in Mask Cleaner diluted to 3.0–5.0 vol% in potable water at 38–45°C. The immersion washer operates with low-pressure recirculating spray at 0.15–0.25 MPa and a 15-minute contact cycle. Silicone rubber faceblank materials show Shore A hardness drift below 0.8 points over 300 cycles at 5.0 vol%; polycarbonate lens housings develop surface microcrazing if the solution temperature exceeds 50°C or if the cleaner is combined with chlorinated sanitizers above 200 ppm free chlorine. The terminal products are cleaned, air-dried reusable half-mask and full-facepiece respirators used in chemical processing, pesticide application, and pharmaceutical manufacturing. Process compliance under ANSI Z88.2-2015 requires documentation of detergent lot, concentration verification by conductivity, and replacement of cleaning baths after 40 facepieces or one 8-hour shift, whichever occurs first.
| Substrate | Concentration (vol%) | Temperature (°C) | Maximum cycle time (min) | Observed property change |
| Silicone rubber faceblank | 5.0 | 45 | 15 | Shore A hardness drift ≤ 0.8 points over 300 cycles |
| Polycarbonate lens housing | 3.0 | 40 | 10 | No crazing; haze ≤ 3% per ASTM D1003-13 |
| Butyl rubber cartridge seat | 4.0 | 45 | 10 | Mass uptake ≤ 8.0% per ASTM D471-16a |
In hospital CPAP reprocessing departments, lipid-based sebum, calcium carbonate scale, and proteinaceous debris accumulate on mask cushions and tubing during nightly use. Reprocessing protocols under ISO 17664-1:2021 require cleaning prior to thermal disinfection at 75°C for 30 minutes in washer-disinfectors. A 0.5–1.5 wt% Mask Cleaner solution in deionized water is metered into the wash cycle at 45–55°C, followed by an acid rinse with citric acid at pH 3.0–3.5 to remove carbonate deposits. Silicone cushion materials exposed to 300 cycles at this concentration show Shore A hardness drift below 0.5 points, but free chlorine residuals above 5 mg/L during subsequent disinfection generate surface tack and require post-rinse treatment with 0.1 wt% sodium thiosulfate. The terminal products are cleaned and disinfected CPAP masks, oxygen therapy masks, and non-invasive ventilation interfaces for home care and hospital use. For polycarbonate frame components with molded insert bosses, the addition ratio must be reduced to 0.5 wt%, and components should be inspected under polarized light for stress birefringence after each 50 cycles to detect incipient cracking. Published data on the interaction between Mask Cleaner and silicone gel cushion inserts is limited.
Automotive refinishing operations deposit feathered polyester overspray and partially cured isocyanate prepolymers on respirator facepieces and harness assemblies. Mask Cleaner is applied at 4.0–6.0 wt% in a dedicated recirculating brush-wash station operating at 0.3 MPa spray pressure with 10-minute alkaline soak and mechanical scrubbing brushes rotating at 80 rpm. The rinse phase uses demineralized water at 2.0 L/min until the final rinse conductivity falls below 40 µS/cm, followed by forced-air drying at 35°C for 20 minutes. This sequence removes but does not restore organic vapor cartridge capacity; cartridges are detached and disposed of or returned to the manufacturer for change-out logic in accordance with 29 CFR 1910.134(d). Terminal products are reusable cartridge half masks and full-facepiece respirators used in 2K polyurethane clearcoat applications. The addition ratio above 6.0 wt% is not recommended for silicone elastomer seals that have been previously exposed to aromatic naphtha, because combined solvent swelling can exceed 10.0% mass uptake and compromise the face seal. Compliance documentation under ANSI Z88.2-2015 includes detergent concentration testing by titration and pH verification between 8.0 and 9.5.
During structural firefighting operations, self-contained breathing apparatus facepieces accumulate polycyclic aromatic hydrocarbons, acidic combustion condensates, and dried sweat salts. NFPA 1851:2020 requires advanced cleaning and rinsing; Mask Cleaner is diluted to 2.0–4.0 vol% in a front-loading extraction washer programmed with 40 L water volume, 30°C wash temperature, and 20-minute low-agitation cycle. The post-cleaning rinse uses three 5-minute cold water exchanges until rinse conductivity falls below 30 µS/cm, because ionic residues above this threshold can create visible surface haze on polysulfone visors and increase surface resistivity above 1×10¹² Ω/sq. The terminal products are field-compliant SCBA facepieces and harness assemblies returned to fire service. Hypochlorite-based sanitizers at concentrations above 2,000 ppm after Mask Cleaner produce chloramine residues on silicone skirt seals and must be replaced with non-chlorine sanitizer. Published data on the effect of Mask Cleaner on para-aramid head harness tensile strength after repeated extraction cycles remains limited.
Welding mask auto-darkening filter cartridges contain liquid crystal cells, polarizing films, and UV/IR interference coatings that are sensitive to alkaline hydrolysis and ultrasonic damage. Mask Cleaner is used at 1.0–2.0 wt% in pH 7.0–8.0 demineralized water at 25–30°C for manual wipe-down of cartridge exteriors and polyamide headgear, with contact time limited to 60 seconds. The process is validated by optical transmission testing under ISO 16321-2:2021, and terminal products are reusable welding helmets with auto-darkening filters in heavy fabrication, shipbuilding, and pipeline construction. The formulation addition ratio is deliberately lower than for elastomeric respirators because polycarbonate housings and aluminum vapor barriers can develop delamination when pH exceeds 8.5 or when soak time exceeds 60 seconds at 30°C. Field records from multi-shift welding operations show that bath pH drift caused by carbonate contamination requires conductivity-based replenishment; otherwise, auto-darkening filter cartridges exhibit optical haze above 3%.
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Mask Cleaner MC-2200 is a neutral-pH aqueous cleaning concentrate intended for removal of sebum, desquamated epithelial debris, and dried biofilm residues from reusable elastomeric respirator facepieces, PAPR head seals, polycarbonate visors, and silicone CPAP mask cushions. The formulation contains non-ionic surfactant, chelating agent, and proteolytic enzyme stabilizer; no alcohol, phenolic disinfectant, chlorine bleach, or amine-based corrosion inhibitor is added. The as-supplied pH is 6.5–7.5 at 25°C per ASTM E70, density is 1.00–1.05 g/cm³ at 20°C per ASTM D1475-13(2020), and viscosity is 5–15 mPa·s at 25°C per ASTM D2196-20. Three configurations are available: MC-2200 concentrate, MC-2200RTU ready-to-use, and MC-2200U low-foam ultrasonic variant. MC-2200 concentrate is supplied in 1 L, 5 L, and 20 L HDPE containers; MC-2200RTU is a 2.5% v/v working solution in 500 mL non-aerosol spray bottles; MC-2200U is supplied in 5 L and 20 L containers for ultrasonic and automated washer-disinfector applications.
Table 1 summarizes the manufacturer’s release criteria and associated test methods. These criteria establish product consistency, not cleaning efficacy on a particular respirator model.
| Parameter | Release criterion | Method or standard |
|---|---|---|
| pH as supplied | 6.5–7.5 | ASTM E70-22 |
| Density at 20°C | 1.00–1.05 g/cm³ | ASTM D1475-13(2020) |
| Viscosity at 25°C | 5–15 mPa·s | ASTM D2196-20 |
| Surface tension of 3.0% v/v working solution at 25°C | 27–30 mN/m | ASTM D1331-20 |
| Cytotoxicity of extracts from cleaned silicone coupons | non-cytotoxic | ISO 10993-5:2009 |
| Dermal irritation of rinsate from cleaned mask cushions | non-irritant | ISO 10993-10:2021 |
| Silicone elastomer volume change after 7 days in 5.0% v/v at 25°C | < 5% | ASTM D471-16a |
The concentrate is diluted with deionized water having conductivity < 5 µS/cm at 20–25°C. A 3.0% v/v working solution is prepared by adding 30 mL concentrate to 970 mL water in a polypropylene or stainless steel vessel. Mixing is performed with a low-shear propeller for 2–3 min until the solution is visually homogeneous. Working solutions above 5.0% v/v do not increase sebum removal in routine manual wiping and increase final rinse water demand; working solutions below 2.0% v/v leave residual film on silicone cushions after 60 s of manual agitation, based on the soil-removal evaluation principles of ASTM D4488-95(2020). Published cleaning efficacy data for this specific product configuration is limited; validation on the target mask geometry is required.
Mask Cleaner MC-2200 is intended for use on silicone rubber, EPDM, polycarbonate, polysulfone, and polyphenylsulfone mask components. It is not recommended for natural rubber latex, neoprene, or open-cell polyurethane foam because these materials may absorb the working solution and release it slowly after rinsing. Compatibility testing per ASTM D471-16a should be performed for each mask model; if elastomer volume change exceeds 5%, immersion time should be reduced or the component should be cleaned with MC-2200RTU spray-and-wipe rather than immersion.
For immersion cleaning of reusable elastomeric respirator facepieces, the working solution is maintained at 37–42°C in a stainless steel or polypropylene basin fitted with a loose-fitting lid to reduce evaporation. Parts are disassembled; particulate filters, chemical cartridges, textile straps, and electrostatic filter media are removed before contact with the liquid. Non-porous mask components are fully submerged for 15–20 min. Solution movement is required to prevent soil redeposition on polycarbonate lens areas; a recirculating pump with flow rate 8–12 L/min or a low-speed orbital shaker at 40–60 rpm is adequate. After removal, components are rinsed with running deionized water at 25–35°C for at least 60 s per component. Final rinse conductivity is measured at < 10 µS/cm above input water; higher values indicate residual surfactant and chelating agent that may cause dermal irritation when the mask is worn for extended periods. Inspection under 500 lx illumination for haze on polycarbonate lenses is performed before drying.
In ultrasonic tanks, MC-2200U is used at 2.0–4.0% v/v. The bath is operated at 40 kHz with ultrasonic power density 0.35–0.50 W/cm² established by calorimetric calibration. Working temperature is held at 37–42°C; temperatures above 45°C produce irreversible denaturation of the proteolytic enzyme component, while temperatures below 30°C extend the required processing time beyond 20 min. Load density should not exceed 1 mask cushion per 2 L of working solution. Perforated polypropylene racks with hole diameter 6 mm and open area 30% keep parts off the tank bottom; solid trays attenuate cavitation and reduce delivered ultrasonic energy. The working solution is degassed for 5 min before introducing parts. After ultrasonic exposure, components are transferred to a rinse tank within 5 min; air-drying without rinsing leaves an enzyme-surfactant film that fails the final rinse conductivity criterion.
Water hardness above 300 mg/L as CaCO3 reduces cleaning activity through calcium binding to the chelating agent; deionized water or softened water is recommended. Turbidity above 50 NTU in the working solution indicates soil saturation and requires replacement. Do not mix MC-2200U with quaternary ammonium disinfectants, chlorine bleach, or acidic descalers in the ultrasonic tank; oxidative residues and pH shifts inactivate the enzyme package and may generate nitrogen-containing reaction products.
For manual cleaning of CPAP mask cushions, a 5.0% v/v working solution is applied when sebum and moisturizer residues have dried for more than 8 h. A soft-bristle nylon brush with filament diameter 0.2 mm is used; stiff polypropylene bristles above 0.5 mm create micro-abrasions on silicone surfaces that retain biofilm. Cleaning time is limited to 2 min per cushion. If mineral scale is present, the cushion is immersed for 10 min in 3.0% v/v working solution at 40°C before brushing. Do not pre-treat with vinegar or citric acid because pH below 5.0 reduces enzyme activity and may precipitate surfactant components.
Automated washer-disinfector use requires MC-2200U because foam generation must remain below 60 s after cessation of sump agitation. The product is injected into the wash phase at 2–5 mL/L of sump volume. Wash water is maintained at 38–42°C for 10–15 min; rotating arm spray pressure is 1.8–2.2 bar. Final rinsing is performed with demineralized water at 25–35°C. Thermal disinfection and drying stages must be validated under ISO 15883-1 and ISO 15883-5. Worst-case load configurations should include nested full-face respirator shells in mesh trays because shadowing reduces spray contact and can produce protein carryover. Published data for this specific product in all washer-disinfector chamber geometries is limited; installation qualification and operational qualification with a facility-standard test soil are required before routine use.
Alkaline degreasing agents with pH above 11 are not recommended for reusable elastomeric mask components. Immersion of silicone rubber in pH 12 solutions for 7 days at 25°C can produce volume change above 5% and measurable hardness loss; Mask Cleaner MC-2200 is evaluated for elastomer compatibility under ASTM D471-16a and remains in the neutral pH range. Quaternary ammonium disinfectants are not cleaners; their primary function is antimicrobial reduction, and their residues bind organic soil and may denature enzyme-based cleaning agents. Solvent wipe cleaners containing ethanol or isopropanol provide rapid visual clearing but do not remove desiccated protein or biofilm matrices from silicone surfaces. Repeated solvent exposure increases the risk of polycarbonate stress cracking near molded bosses and snap-fit features on mask lens assemblies. Unlike general enzymatic instrument cleaners with pH 7–9 and high-foaming surfactant systems, MC-2200U is formulated for low foam in ultrasonic tanks where foam collapse time below 60 s prevents transducer cavitation blanketing. Mask Cleaner MC-2200 is a water-based immersion or wipe-on cleaner requiring a separate rinsing step; it is not a one-step wipe, not a terminal disinfectant, and not an antimicrobial agent.
Rinsing validation is performed by measuring final rinse conductivity < 10 µS/cm above input water and by examining polycarbonate lenses under 500 lx illumination for surfactant haze. Non-volatile residue after rinsing should remain below 0.05 mg/cm² when extracted and evaporated per ASTM F2459-18; if this value is exceeded, rinse duration is increased in 30 s increments. The concentrate is stored in HDPE containers at 5–30°C; freezing or storage above 40°C reduces enzyme activity and may produce phase separation. Diluted working solution has a use life of 8 h at 20–25°C; if refrigerated at 2–8°C, it is used within 24 h. Open-cell polyurethane foam mask inserts are not recommended for immersion cleaning with MC-2200 unless material compatibility testing demonstrates complete rinsing; retained surfactant in foam may require rinsing beyond 60 s and can cause skin irritation under mask seals.
