Automobile Exterior Spray Plastic Parts
Materials such as plastics and metals are often used as the base for spray painting to achieve decorative effects and provide protection. Commonly used paint types include ordinary paint, rubber paint, PU paint and UV paint, each of which has unique functions and uses.
Automobile Plastic Parts Painting Process
The process flow of painting automotive plastic parts mainly includes the following steps:
Cleaning: Use topcoat thinner or recommended solvent to thoroughly clean plastic parts, ensure that the parts are dry, and avoid using alkaline chemical detergents.
Degreasing: Remove oil and mold release agents from the plastic surface. Solvent cleaning or alkali cleaning can be used to enhance the adhesion of the paint.
Surface treatment: Depending on the needs, it may include mechanical treatment (such as grinding) and chemical treatment (such as pickling, oxidation treatment, etc.) to improve the adhesion of the paint.
Spraying: Select a suitable acrylic topcoat or primer varnish, dilute the paint according to the dilution ratio in the instructions, and usually use spraying for painting.
Drying: Let the paint dry naturally or use hot air to dry it to ensure that the paint is fully cured.
Inspection: Check the coating's film thickness, adhesion, water resistance, color difference and other indicators to ensure the quality of the coating.
For the spray painting of automotive plastic parts, the following points should also be noted:
1.Avoid mixing products from different manufacturers, and try to use the same brand of softener, primer, topcoat and thinner.
2.Choose appropriate spraying methods and equipment to ensure uniform and defect-free coating.
3.Pay attention to safety, wear protective equipment during spray painting, and avoid inhaling paint mist or contact with skin.
4.The above steps and precautions can ensure the quality and safety of spray painting of automotive plastic parts.
