80 70 80 160 160 99.9 95.0 80.0 50 100 100 50 45 80 70 60 100 50 45 150 99.9 95.0 80.0Particle respirator protects respiratory organs from the dust and other particulates generated during welding, excavating, etc. Our extensive product lineup features a range of respirators from the ultimate in protective respirators to light and compact models for a variety of industrial fields. All of our particulate respirators have been approved by the Japanese Ministry of Health, Labour and Welfare.Dispose the filter per every use in atmospheres such as arsenic, chromium etc.It is prohibited to take filters that are used in work handling asbestos, indium, etc. out of the workplace as they are. Dispose of such filters after one use.* In accordance with "Choosing and Usage of Particle Respirator, Gas Respirator and Powered Air Purifying Respirator" Mechanical filters generally do not experience degradation in particle filtering efficiency.Since electrostatic filters have a certain degradation of particle filtering efficiency with the passage of time, the storage period is rather short.Please use both types of filter within the storage period as a safety precaution, as those filters cannot be always used immediately after the storage period.Meaning of Abbreviations• Replace the filter with a new one when you have difficulty in breathing due to clogging from particle accumulation.• Replace the filter with a new one when you have difficulty in breathing due to clogging from particle accumulation.• Replace the filter with a new one after a certain period of use determined beforehand.See P.9,10■ Test Conditions for Filter Efficiency■ Shelf Life after the Manufacturing Date (Unopened)■ Class of Reusable Respirator for Particle■ Class of Disposable Respirator for Particle■ PneumoconiosisSee P.13See P.9Count median diameter [μm]Concentration [mg/m3]Air flow [L/min.]TimeDOP : Di(2-Ethylhexyl) PhthalateNaCl : Sodium ChlorideR : ReplaceableD : Disposable(Notice of the Japanese Ministry of Health, Labour and Welfare Division Labour Standards Bureau No.0525 of Article 3, May 25, 2023) .(Disposable Respirator) DOP (Liquid)NaCl (Solid)0.15-0.25[ g 1.6]0.06-0.1 1.8][ g 85L : LiquidS : Solid3 : Filter efficiency 99.9% 2 : Filter efficiency 95.0% 1 : Filter efficiency 80.0% Inhalation Resistance* [ Pa ]FilterEfficiency[%]Inhalation SupportYesInhalation Resistance* [ Pa ]FilterEfficiency [%]Exhalation ValveYes 70 60Healthy lungStructual change in lung due to dust (Welder's lung)Exhalation Resistance* [ Pa ]Inhalation SupportNoYesNo 80 70Exhalation Resistance* [ Pa ]Exhalation ValveNoYesNoPneumoconiosis has been known as "the staggers" in Japan since many years ago and is an incurable disease causing respiration disorder due to fibro proliferative change in the lung by inhaling dust.ClassDOPNaClRL3RS385RL2RS2RL1RS1ClassDOPNaClDL3DS3DL2DS2DL1DS1* Air flow rate at 40 L/min.Test ParticulateUntil 200 mg supplied Until 100 mg suppliedg: Geometric standard deviationMechanical FilterElectrostatic FilterMechanical FilterElectrostatic Filter10 years 6 years for the Model: DD02 series 2 years for the Model: DD11 series11Reusable Respirator (For Particle & Gas)Reusable RespiratorRefer to your own national regulations.February, 2026(2026.2)Dust Hazard – Formidable Dust –Reusable & Disposable Respirator for ParticleJapanese Government StandardsParticle Filter Replacement CriteriaShelf Life of Particle Filters
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