The glass fiber filter bags are made of glass fiber woven fabric that is special treated. The product  has good heat resistance. It is ideal heat resistance filter materials and has good stable size with good chemical resistance, anti-water, anti-moisture and excellent dust peeling properties. The filtering efficiency is more than *9.5%

It is applicable for conditions that continuous temperature is below **0 Centigrade, and instant temperature is below **0 Centigrade. Property of oxidation resistance is good, and allowed PH value range:**9. Relative Humidity is *5%.