1.Same batch of China color paper you want to use the same batch of dye. According to the program budget for the color of the dye batch of China color paper usage. 4.3 dye dissolved dye dilution 4.3.1 Weigh arrange in advance, weighing each pot a separate package.

1.1 dilute dye mixed use 0.5m3 recausticizing dye tank, barrel or so to join lOOkg water,China color paper then add the weighed dye,And to mixing evenly and then add water to the bucket capacity about 400kg (caustic concentration of 2% or less), stirring constantly.

1.2 through steam heated to dissolve, China color paper and stir from time to time dyes, dye temperature control 80-90 ℃, steaming time control in 20-30min between the barrel surface should be clear, no dye foam, stir with a glass rod without any dye particles determine recausticizing end.

1.3 shall be dissolved dyes dual-channel 200-mesh strainer directly into the slurry tank filter, China color paper mesh filter no significant precipitation was dissolved well,China color paper or is required to continue to heat the dye. Dye barrel bottom of the barrel must rinse with water.

1.4 Furnish order: wood + straw + dye (Direct Red / chrysophenine) + aluminum sulfate + broke above and then click Add.

1.5 After adding the dye to be around lOmin stir,China color paper then add aluminum sulfate.

1.6 change the paper before dry damaged China color paper kept separate until the next production of the same product return copy paper systems.

1.7 change paper pulp crushing required Shimizu; China color paper system is stable after the switch Whitewater broken solution, the dye dosage reduction, fine-tuning.

1.8 normal production, need to closely monitor each class big good beating, papermaking section, note China color paper hue contrast, found that color promptly notify the workshop director and craft workers, in order to adjust.