... fastness: 5APPLICATION1. MilitaryRegimentals, flying wear, chemical resistant wear ,etc.2. Fire-fightingFireman wear, fireman boot, fireman bag, ect.3. Worker ProtectionHeat ... , ect.6. Environment ProtectionBase fabric of dust filter.7. OthersHotel fire retardant textile, airplane textile, etc... KEYSTONE FIRE RETARDANT FABRIC(EN531.EN533)