Disposable dust mask pricing on Chinese B2B platforms ranged from US$0.02 to US$2.50 per piece at 100,000-piece MOQ as of 2026-05, with the spread driven by certification tier and filter media rather than moulding cost [S3].
The same listing pages show 3-piece non-woven KN95-style masks at US$0.10–0.15 per piece (3,000 MOQ) and reusable plastic-shield dust masks at US$0.56–0.98 per piece (200 MOQ), while cotton sun-protective 3D masks trade around CN¥1.02 per piece at 2-piece MOQ on Yiwu Go [S1][S2].
Filtration Class and the NIOSH / EN 149 Map
European EN 149:2001 + A1:2009 grades dust masks into FFP1 (≥80% filtration, 4× OEL), FFP2 (≥94%, 10× OEL) and FFP3 (≥99%, 20× OEL), and these classes remain the most common shorthand on 2026 B2B listings even when the certificate is older [S4].
US NIOSH 42 CFR Part 84 lines up roughly as N95 = FFP2, N99 ≈ FFP2-high, N100/P3 ≈ FFP3; the Chinese GB 2626-2019 KN95/KN100 series tests to nearly identical aerosol loads, so a buyer who needs FFP2 performance can usually accept KN95 on a sight-test basis, but the seal and exhalation-valve clauses are not 1:1 across schemes. CE and NIOSH are the two certifications most often listed by mainland Chinese export suppliers, and absence of either is the single biggest spec red flag on Made-in-China and Yiwu product cards [S4].
Construction: Non-Woven Stack, Melt-Blown Core, Exhalation Valve
Almost every flat-fold and cup-style mask in the price band above is built as a three-layer non-woven laminate: spun-bond outer, melt-blown polypropylene (MBPP) filter, spun-bond inner; the melt-blown layer carries electrostatic charge to capture sub-micron particulates and is the reason these masks are typically single-use [S4].
Higher-tier FFP3/N100 parts add an outer carbon pre-filter and a one-way exhalation valve to drop breathing resistance below the 2.4 mbar limit at 95 L/min defined in EN 149 §7.16; valve masks are forbidden in sterile rooms and in any job task where exhaled unfiltered air can contaminate a workpiece, which is a real constraint in paint booths and pharmaceutical suites. Plastic-shield hybrid masks (the US$0.56–0.98 segment on Made-in-China) layer a clear PET face shield over an FFP2 cup and target splash + dust in light construction, not airborne silica grinding.
Fit, Sizing, and the 5–15 % Leakage Budget
EN 149 total inward leakage is capped at 22 %, 8 % and 2 % across the FFP1/2/3 grades, and OSHA 1910.134 fit-tests the equivalent US products to a similar 10× OEL protection factor for half-masks; field fit-test pass rates with a generic cup mask sit around 65–80 % and only cross 90 % after qualitative or quantitative fit-testing with the actual lot in use. [S1]
Sizing runs S/M/L on cup respirators and is reduced to a single adjustable nose-foam plus elastic length on flat-folds; buyers buying in 100,000-piece batches should request at least 3 nose-foam density samples, because foam density is the single biggest driver of in-frame seal on flat-folds. For workers with facial hair the only compliant choice is a powered air-purifying respirator (PAPR) — facial hair under the seal is enough to break a dust-mask fit, full stop.
Selection Criteria Matrix by Use Case
Four spec gates decide the part: (1) filter class, (2) construction/valve, (3) fit-test data, (4) task duration. A specifier who locks all four rarely has to swap a mask mid-shift. [S2]
Woodworking / renovation dust: FFP2 or N95 minimum, no valve, single-use, ≤4 h per shift. Concrete / silica grinding: FFP3 or N100 mandatory, valve acceptable, paired with eye protection and a real-time dust detector reading on heavy pours. Paint spraying and pesticide handling: FFP2 + activated carbon layer, valve, and a separate organic-vapour pre-filter on FFP3 platforms. Welding fume and metal grinding: FFP3 with particle layer, plus a flip-up visor, never a paper flat-fold. For routine low-dust warehouse work a CE-marked FFP1 at US$0.10–0.15 per piece is the cost floor; below that, certification is almost always missing.
Use Cases, Limits, and Failure Modes
On the failure side, the melt-blown layer loses electrostatic charge over 6–12 months of shelf storage and visibly degrades above 80 % relative humidity; lots older than 24 months from manufacture should be re-cert-leak-tested or scrapped, not donated. Reusable fabric masks sold on Yiwu at CN¥1.02 each carry no FFP/NIOSH marking and should be treated as source-control only, not as occupational dust PPE [S2].
Sourcing Channels, MOQ, and 2026 Price Spreads
Made-in-China 2026-05 listings put disposable FFP2 cup masks at US$0.02–0.26 per piece (100,000 MOQ) from Jiangsu and Anhui factories, and US$2.50-per-piece listed product lines from ADVANCE INTERNATIONAL CORP are typically valve-equipped FFP3 / KN100 SKUs aimed at industrial distribution [S3]. Plastic-shield dust masks from Innovation Plastic Industry cluster at US$0.56–0.98 per piece at 200 MOQ — useful for light-duty splash + dust, but always check that the inner filter element is independently certified, because the shield alone is not a respirator [S1].
For B2B buyers comparing channels, the relevant tradeoff is: factory direct from audited Diamond/Gold members (lower unit cost, 100k MOQ, 30–45 day lead) vs Yiwu trading-platform listings (lower MOQ from 2 pieces, generic certification, 7–15 day air-ship). Audit the supplier's test report batch number, request a sealed sample for in-house fit-testing, and lock the re-order on a 12-month max age clause written into the PO.
Buyers who want a head-to-head with face shields can cross-check the spec cut on face shield vs dust mask selection, and anyone running a dust-loaded shop floor should consider pairing PPE with continuous dust particle meter monitoring to confirm the filter class is not over- or under-specified for the actual load.