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The performance of water-based colorant applied to wood coating

1. Water-based dip coating coloring: Generally, it is required to have good sealing properties for wood, good permeability, and uniform coloring, so as to reduce the water swelling of the wood texture during the construction of water-based base paint and reduce the problem of later collapse of the coating film. The specific construction precautions are as follows:

1) Check the relative humidity of the wood before construction. The moisture content of wood is 12-14% to achieve the best coating effect.

2) Ensure that the drain is overflowing with impregnant.

3) The wood should be dust-free to avoid contamination of the impregnant.

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7. Water-based color paste and its method for coating wood products: A water-based color paste and its method for coating wood products, characterized in that the composition (weight) of the water-based color paste is: 0.5 to 1.5% acid dye, 40-50% water, 8-12 polyvinyl acetate emulsion or industrial gelatin, 40-50% filler, 0.5-2% pigment.

2. Water-based spray coloring:

Many processes in wood coating require bottom spraying or surface trimming. The construction requirements are relatively simple. Direct spraying and trimming with a spray gun should be sprayed in place according to the effect required by the color plate. Depending on the pigment color paste used, it can be achieved. Different construction effects.

3. Water-based roller coating coloring: Factory assembly line operations often require roller coating machine roller coating coloring. The construction substrate is wood with large brown eyes (conduit), and the main purpose is to highlight its texture effect. The specific construction process is:

 1) Add 5-20% 71k color paste to water-based roller coating colorant and mix well.

 2) Pump the colorant with the adjusted color to the roller of the roller coater. After the water-based colorant on the roller is evenly rolled, start to transfer the wood for coloring. There is a brush roller behind the roller, which will Squeeze the colorant into the catheter and brush off the excess colorant.

3) After the base colorant is dried, spray or roll water-based paint and solvent-based paint on the above-mentioned colored substrate on time.


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