In the field of mechanical equipment manufacturing and maintenance, the coating system plays a protective role and directly affects the service life and brand image of the equipment. Currently, industrial enterprises generally face four major challenges in paint procurement: firstly, the traditional procurement model focuses on unit price while neglecting coating rate, resulting in uncontrolled comprehensive coating costs; Secondly, metal substrates are prone to rusting, poor adhesion of paint films leading to peeling, coating powdering in high-temperature environments, and rapid fading of outdoor coatings, which are prominent issues in terms of protective effectiveness; Thirdly, small and medium-sized enterprises often face restrictions on the minimum order quantity for industrial paint; Fourthly, traditional solvent based coatings do not meet environmental standards and face the dilemma of technological transformation from oil to water.
Systematic product matrix for mechanical equipment scenarios
1. Epoxy series: the underlying logic of heavy anti-corrosion
For steel structure equipment that can withstand high salt spray and high humidity environments, epoxy zinc rich primer provides 30% -90% different metal zinc content specifications to meet the C5M level high salt spray protection requirements and achieve chemical barriers for cathodic protection. In the Beijing Shanghai high-speed railway (Changzhou Shanghai section) project, an epoxy primer+polyurethane acrylic topcoat system is used to ensure the appearance stability under high-frequency operation.
Epoxy cloud iron intermediate paint solves the problem of insufficient coating thickness. The mica iron oxide it contains forms a fish scale like shielding structure, greatly extending the protective life of the topcoat and primer.
2. High performance topcoat: weather resistance test for outdoor working conditions
For outdoor construction machinery, aliphatic polyurethane topcoat provides a color and light balance solution. In the Heli forklift project, the epoxy zinc rich primer+aliphatic polyurethane topcoat matching system solves the rust prevention and aging resistance requirements of outdoor equipment operation, and the durability period can reach 5-10 years.
Polyurethane acrylic topcoat is designed for cutting fluid corrosion and slight collision scenarios of machine tool equipment. The paint film is tough, wear-resistant, and impact resistant, with a hardness of over 2H. In the Yawei machine tool project, the epoxy primer+polyurethane intermediate paint+orange stripe topcoat scheme improved the appearance delicacy and corrosion resistance of the exported equipment.
3. Special coatings: targeted breakthroughs for extreme working conditions
High temperature working conditions are the technical difficulty of mechanical equipment coating. High temperature resistant paint (200 ℃ -1200 ℃) uses modified silicone resin, which does not powder or change color at 1200 ℃, solving the problem of coating cracking and peeling in boilers, heat exchangers, and high-temperature pipelines under cold and hot cycles.
The problem of insufficient adhesion of ordinary paint on surfaces of non-ferrous metals such as stainless steel and aluminum alloys has been solved through chemical bite adhesion technology. The primer produces a special biting effect, and the adhesion does not peel off after a hundred grid test.
4. Water based paint series: technological breakthrough in environmental transformation
Faced with VOC emission restrictions and construction fire risks, the water-based industrial paint series provides a green coating transformation solution. The full range of products, including water-based epoxy primer, water-based intermediate paint, water-based polyurethane topcoat, water-based epoxy zinc rich primer, water-based orange stripe paint, etc., use water as a diluent and are non flammable and non explosive. After multiple formula improvements, the drying speed and anti-corrosion performance approach that of oil-based paint, solving the compliance pressure of environmental impact assessment exceeding the standard for enterprises.
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