Color-varying and color-coated aluminum strip and production technology thereof
A production process and aluminum plate technology, applied in the field of color-changing aluminum strip and its production process, can solve the problems of poor color consistency between the central area and the surrounding area, environmental pollution, low efficiency, etc., achieve high production process efficiency and reduce environmental pollution , Good effect of color consistency
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Embodiment 1
[0057] The invention relates to a production process of color-changing coated aluminum strips, which includes the steps of cleaning, production process, primer coating and baking, surface coating and baking, cooling and packaging.
[0058] The production process includes degreasing and passivation steps, and the degreasing agent used in the degreasing step is a biological degreasing agent.
[0059] The biological degreasing agent comprises the following components: 2.5 wt% of biological enzyme, 5 wt% of EDTA, 2.5 wt% of surfactant, and the balance is water; the biological enzyme is selected from protein enzymes.
[0060] The degreasing step further includes the steps of pre-cleaning, mechanical brushing, degreasing agent rinsing, hot water spraying and hot air drying.
[0061] Both the pre-cleaning and degreasing agent rinsing steps use a nozzle to spray the biological degreasing agent to the surface of the aluminum strip, the nozzle pressure is 0.2MPa, and the time is 5s.
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Embodiment 2
[0072] The invention relates to a production process of color-changing coated aluminum strips, which includes the steps of cleaning, production process, primer coating and baking, surface coating and baking, cooling and packaging.
[0073] The production process includes degreasing and passivation steps, and the degreasing agent used in the degreasing step is a biological degreasing agent.
[0074] The biological degreasing agent comprises the following components: 3 wt% of biological enzyme, 6 wt% of EDTA, 3 wt% of surfactant, and the balance is water; the biological enzyme is selected from protein enzymes.
[0075] The degreasing step further includes the steps of pre-cleaning, mechanical brushing, degreasing agent rinsing, hot water spraying and hot air drying.
[0076] Both the pre-cleaning and degreasing agent rinsing steps use a nozzle to spray the biological degreasing agent to the surface of the aluminum strip, the nozzle pressure is 0.2MPa, and the time is 5s.
[007...
Embodiment 3
[0087] The invention relates to a production process of color-changing coated aluminum strips, which includes the steps of cleaning, production process, primer coating and baking, surface coating and baking, cooling and packaging.
[0088] The production process includes degreasing and passivation steps, and the degreasing agent used in the degreasing step is a biological degreasing agent.
[0089] The biological degreasing agent comprises the following components: 2 wt% of biological enzyme, 6 wt% of EDTA, 2 wt% of surfactant, and the balance is water; the biological enzyme is selected from protein enzymes.
[0090] The degreasing step further includes the steps of pre-cleaning, mechanical brushing, degreasing agent rinsing, hot water spraying and hot air drying.
[0091] Both the pre-cleaning and degreasing agent rinsing steps use a nozzle to spray the biological degreasing agent to the surface of the aluminum strip, the nozzle pressure is 0.2MPa, and the time is 5s.
[009...
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