Type Color Composition PK Brown 600℃ PBO+Kevlar mixture K Yellow 500℃ 100%Kevlar KC Green 500℃ Kevlar+Carbon mixture N Buff 300℃ 100%Nomex it can be used for industrial filtration,product filtration solid/liquid separation, like: - Asphalt mixing plants - Biomass power stations - Chemical and pharmaceutical industry - High temperature dedusting - Coal-fired power stations - Food industry - Non-ferrous metal and steel production - Cement, gypsum and lime industry - Thermal waste treatment If the temperature or quality of our products are not reach your requirements, we will offer replacements for free. Professional manufacturer that can choose the suitable high temperature felt products for you. Terrific after-sales service: 24hours/7days