... chemical fertilizer, ash, sand, coke, etc. It is widely used in building materials, metallurgy, chemical industry, electric power, coal, machinery, light industry ... not suitable for conveying perishable, sticky or easy agglomerating materials. In general, the working environment temperature for series LS ... between -20~40°c, and the temperature of materials conveyed is between -20~80°c.Series LS screw ...