P-Hg-1 Mercury Vapor Filter Cartridge
Model: P-Hg-1
GB Standard: GB 2890-2022
Material: ABS engineering plastic
Interface: Standard bayonet (three-stage interface)
Specification: 2 pieces per pack
1. Classification & Marking
Type: Class 1 mercury vapor filter cartridge
Color Code: Red (Hg)
GB Marking: P-Hg-1
Structure: Four-layer filtration, with particulate filter (electrostatic filter cotton)
2. Protected Substances
Main Protection: Mercury vapor
Particulate Protection: 0.3μm particles (dust, smoke, aerosols)
3. Intended Uses
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Instrument manufacturing involving mercury (thermometer, manometer, relay production)
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Chemical industry with mercury vapor hazards
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Laboratory operations involving mercury
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Metal smelting and recycling with mercury release
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Lighting manufacturing (fluorescent lamp, mercury lamp production)
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Public utilities and medical fields with mercury vapor hazards
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All workplaces with mercury vapor and particulate hazards
4. Performance (GB Standard)
Protection Level: Class 1 for mercury vapor
Particulate Filtration Efficiency: ≥95% for 0.3μm particles
Breathing Resistance: Low, large filter area, full adsorption of activated carbon
5. Notes
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Use only with matching bayonet interface gas masks
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Do not use in oxygen-deficient environments (O₂ < 19.5%)
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Replace immediately when smelling mercury odor
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Shelf Life: 5 years under sealed, unopened, dry storage
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Do not wash, reprocess or reuse after expiration
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Establish a regular replacement schedule for filter cartridges
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Use only for mercury vapor and particulate protection
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