Most paints contain harmful substances that, if not properly disposed of, can affect both the environment and personal health. It's actually time to consider sustainable development paths. Waste paint recycling itself is a recyclable material. After recycling and treatment, it can be used in auto repair shops, etc., and is generally indistinguishable from new paint. Moreover, it costs only half as much as new paint, saving costs while protecting the environment. It also does not compromise on quality due to its reused nature.

Paint is an ancient term; coatings are the modern term, encompassing more technological components. They are widely used in modern technology and industrial fields. However, some colloquial and habitual names for paint, such as latex paint, primer, and topcoat, are still retained. Generally, paint is a material that can be applied to the surface of an object to form a continuous, firmly adherent film. It can be inorganic, such as electroplated copper, electroplated nickel, electroplated zinc, etc., or organic, like most organic macromolecular materials, which constitute the main part of today's paint market.

Paint classifications:
1. Categorized by parts. Paints are mainly divided into wall paint, wood paint, and metal paint. Wall paint includes exterior wall paint, interior wall paint, and ceiling paint, primarily featuring latex paints and the like; polyurethane paints; metal paint is mainly magnetic paint.
2. Categorized by type. Paint can be divided into water-based and oil-based paints. Latex paint is the main type of water-based paint, while nitrocellulose paint, polyurethane paint, and more belong to the oil-based category.
3. Categorized by function. Paints can be divided into waterproof, fire-retardant, mold-proof, mosquito-proof, and multifunctional paints with various functions.
4. Categorized by their action form, paints can be divided into volatile paints and non-volatile paints.
5. Categorized by surface effect. Paints can be divided into transparent, semi-transparent, and opaque types.