... , chemical industry Material: stainless steel Type: high efficiency Usage: gas-liquid filteringSuitable users: transformer Aperture ratio: 20% Weaving method: ... proof, alkali-resisting, heat-resistant, fireproof, anti-staticApplication: automobile engine system, filterSuitable user: chemicals Aperture ratio: 80% Weaving method: ... used as air filter in cars and tractors. Gas-liquid Filtering Pad