The Paint filter paper sepa used for fuel filters is a crêped paper with controlled porosity, which is pleated and wound to cartridges. The raw material for filter paper used in fuel filters are made of a mixture of hardwood and softwood fibres. The basis weight of the paper is 50 - 80 g/m2The paper used for fuel filters is a crêped paper with controlled porosity, which is pleated and wound to cartridges. The raw material for filter paper used in fuel filters are made of a mixture of hardwood and softwood fibres. The basis weight of the paper is 50 - 80 g/m2 This kind of paint filter paper is the most popular spray booth filter in the  world. The holding capacity is up to 5 times higher than other spray booth filter in the market. # kertas filter # It is made of two layers of kraft paper that is cong lutinant,poriferous, tensile, and it has more pleats to increase desiltingpaint area of particle,andincrease holding capacity.