Retardant cotton filters

Retardant cotton filters Features: * an incremental structure, that is, to pure air of the fiber density increases * Press filtration efficiency into early effect, in effect two categories; * Press flame retardant properties to be divided into two types: 1 In case of fire is not flammable; 2, in case of fire only shrink, does not burn, can be tested by vertical method; * both cotton filters other similar properties, can completely replace similar imported products; * comply with fire retardant classification criteria of the European DIN53438-F1, GB GB5454-1977B1, Japan JCAC NO.11A-2003 purposes: for all kinds of equipment for air filtration pre-filtration, spraying fire demanding work environment and air ventilation equipment;