General introduction of the aramid (Nomex) needle felt filter cloth: The Aramid fiber for filter media also called Aramid fiber 1313 in China, and Nomex® is one kind of the aramid fibers produced by Dupont®. Aramid (Nomex) filter bags mainly installed in the bag filter house with the temperature between 130 ~ 220 degree C, suitable PH value between 5~9, widely used in steel industry, carbon black industry, construction industry and power industry.
Relevant specification for the aramid (Nomex) needle felt: Material: aramid (Nomex) fiber, supported with aramid (Nomex) scrim / fabric. Weight: 350~650g/sq.m Operation Temperature: Continues: ≤204ºC; Peaks: 220ºC Surface treatment: singed & glazed, heat set, water and oil repellent, PTFE suspension bath, PTFE membrane. We can customize the products according to the requirements from the clients!
The properties of the aramid / Nomex filter media: 1. High temperature resistance: Recommended continuous operation temperature: ≤204 degree C (for getting a longest service life, the continuous operation temperature suggest not exceed 180 degree C); instant peaks: 220 degree C. 2. Stable size under high temperature after heat setting treatment: at the 220 degree C , the shrinkage not exceed 1%. 3. Fire proof. 4. Good abrasion and folding resistance. 5. Cheaper price when compare to other heat resistant filter cloths. 6. Long service life.
Main applications of the aramid / Nomex filter bags: 1. Chemicals Industries: Dryer bag filter houses in the pigment, plastic, catalyst, and carbon black plants, etc. 2. Minerals Industries: Dryer bag houses in the gypsum and clinker cooler bag houses, etc. 3. Metallurgy Industries: High temperature process collectors for lead oxide and electric arc furnace bag houses in the iron works, etc. 4. Power Generation and Incineration: Fly ash handling collectors. 5. Building material Industries: handle the tail gas from vertical kiln of cement plants (filter bags for cement plant), the dust air from the asphalt mixing plant, etc.
Note: 1. Special specification can be customized. 2. maximum width:2.25meters. 3. both filter cloth rolls and filter bags are available from Zonel Filtech.
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