... of filter cartridge is used in filtering the tap water,drink,industrial water,living water,electroplate liquid,chemical liquid,oil,paint and so on ... steel axle)≤90; 5.)Usagea.Electronic,electronic & power Industries: pure water, gas, electroplate liquid, presswork and so on.b.Chemical & petrochemical ... , magnetism slurry, wash and so on.c.Medicine & Pharmacy: pure water injection and ally liquid.