Ammonia-protected cartridge (K1)
Filter Class: Type K (green marking)
Protection Level: Grade 1
Conformity Standard: GB 2890-2022
Materials: High-strength ABS shell, specially impregnated activated carbon
Core Performance
- Protected Contaminants: Ammonia, organic amines, and other alkaline gases/vapors
- Test Medium: Ammonia (NH₃)
- Grade 1 Protection Time: ≥ 25 minutes (at a test concentration of 0.76 mg/L)
- Identification Color: Green
- Protection Principle: Specific chemical adsorption of alkaline gases via impregnated activated carbon, paired with physical filtration
Application Environment
Suitable for industrial scenarios such as pharmaceutical manufacturing, fertilizer production, refrigeration maintenance, livestock farming, and cleaning operations where exposure to low-concentration alkaline gases is present. Applicable in oxygen-enriched workable environments with oxygen concentration not lower than 19.5%.
Classification & Marking
- Type Code: K
- Color: Green
- Purpose: Protection against alkaline gases and vapors
- Level Designation: K1
Skip to content 
Optimized by Seraphinite Accelerator
