Felt must always maintain porosity, softness and uniformity, after a period of time will be adhered to the top resin, clay oil stained metal and other causes pore clogging
1. cleaning clay and pigment polyphosphates.
2. dissolved aluminum complex with hydrochloric acid, sulfuric acid and so on.
3.1000L water temperature in 40-50 degrees plus 2KG non-ionic surfactant solvent and 4KG sodium tripolyphosphate washing 100KG felt each time washing 10-20Min according to water rinse the resin on the felt.
4. formulation of special solvent for felt