Product Description Deinking Enzyme Sinzym PDK is a compound enzyme for recycled fiber pulp deinking purpose. It is a white powder which contains lipase and cellulase etc. Product Feature 1.Enhanced de-inking of recycled fibers 2.Decreased the need for pulping chemicals 3.Reduced stickiness 4.Increased in whiteness and brightness 5.Reduced BOD & COD level. Application / Models For de-inking of recycled papers. Other Information Property: Effective PH Range: 7.0 to 9.5 Optimum PH: 8.0 Effective Temperature: Range 25 to 60C Optimum Temperature: 50-60C Dosage: The optimal dosage is generally 100-300g(along with 100ml~2000ml special additive) for per ton of dry pulp, but it could be changed with the different furnish, process temperature, pH and retention times. Storage and Shelf life: This product should be kept in a cool dry location. It will keep for at least one year, if stored in original package.