Purchase Guide - 5 parameters determine the cost-effectiveness of honeycomb activated carbon
Key indicators:
Iodine value: >800mg/g (guarantee of purification efficiency)
Ash content: <15% (affects service life)
Cell density: 150 holes/square inch (balance wind resistance and dirt holding capacity)
Water resistance: 24-hour strength retention rate after immersion in water >90%
Fireproof grade: Class A flame retardant (oxygen index >32%)
Avoidance tips: Beware of pseudo-high iodine value products with "apparent density >0.45g/cm³"

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