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Characteristics:
Under normal circumstances, it can increase the luster of the aluminum surface, which is conducive to the stability of the color base of the coloring profiles, and the color is bright;
It has special lightening and whitening effect on the profiles treated by sandblasting;
Low cost, less pollution, simple operation;
It can be used as degreasing agent.
Characteristics:
Under normal circumstances, it can increase the luster of the aluminum surface, which is conducive to the stability of the color base of the coloring profiles, and the color and luster are bright.
It has special lightening and whitening effect on profiles treated by sandblasting.
Low cost, less pollution, simple operation.
Process parameters:
Brightening and degreasing agent: 6%-8%
Temperature: 15-35℃
Time: 3-5min
Residual amount: tap water
Tank fluid maintenance:
According to analyze the working electricity of the tank liquid to adjust the additive quantity, generally work for 6-8 points, when the index is lower than 6, should add additives, the index is higher than 8, profiles in the tank time should be reduced accordingly, processing each ton of profiles to consume brightening agent 5-8KG.
Attention:
As the brightening agent in aluminum work processing, lightening effect is limited, relative to the three acid polishing gap is still far, can not be the same.
Operation steps:
Brightening degreasing - washing - oxidation - washing - coloring - washing - closed - washing
Analysis method:
Take 10.00ml sample in 250ml conical flask, and add 50ml distilled water, add 3-5 drops of 1% phenolphthalein indicator, titrate with 1.0N NaOH standard solution, when the solution from colorless to pink for the end point, record the titration end point of the number of milliliters of NaOH used (V)
Calculation: Brightener % = 1.17.N-NaOH.V-NaOH
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