Powder Coating for Agricultural and Construction Machinery MT-602 is an outdoor polyester powder coating system combined with a zinc-rich primer, specifically designed for agricultural and construction machinery and heavy-duty equipment. You can use this system to achieve long-term corrosion protection, enhanced edge coverage, and stable outdoor durability for machinery operating in harsh and corrosive environments.
You can apply MT-602 to machinery and components that require enhanced corrosion resistance and mechanical protection, including:
Construction machinery frames and attachments
Logging and forestry machinery components
Agricultural machinery structures and housings
Automotive machinery and special-purpose equipment
Truck bodies and heavy-duty metal components
Performance verification is conducted on degreased and derusted cold-rolled steel panels commonly used in machinery manufacturing. Testing covers corrosion resistance, impact resistance, stone chip resistance, humidity resistance, fuel resistance, and artificial weathering under internationally recognized standards.
| Item | Specification |
|---|---|
| Product Type | Outdoor polyester powder coating + zinc-rich primer system |
| Curing Schedule | 180–200 °C × 10–15 minutes (metal temperature) |
| Application Method | High-voltage electrostatic spraying |
| Recommended Voltage | 60–80 kV |
| Recommended Film Thickness | 60–150 µm |
| Standard Test Substrate | 0.8 mm degreased and derusted cold-rolled steel |
| Test Film Thickness | 60–80 µm |
Coating Performance:
| Property | Test Standard | Performance Requirement |
|---|---|---|
| Adhesion | ISO 2409 | Class 0 |
| Impact Resistance | ISO 6272 | 50 kg·cm, no failure |
| Pencil Hardness | ASTM D3363 | ≥ 1H |
| Bend Resistance | ISO 1519 | ≤ 2 mm |
| Salt Spray Resistance (NSS) | ISO 7253 | ≥ 1000 h, rating 10, no blistering, creepage ≤ 2 mm |
| Damp Heat Resistance | ISO 6270 | ≥ 960 h, slight discoloration only, no blistering, rust, or peeling |
| Weathering Resistance (QUV-B313) | ISO 11341 | ≥ 1000 h, ΔE ≤ 5, gloss retention ≥ 50 % |
| Fuel Resistance | ISO 2812-1 | 24 h immersion, no surface change |
| Gasoline Resistance | ISO 2812-1 | 4 h immersion, no surface change |
| Stone Chip Resistance | SAE J400 | Rating ≤ 3 |
| Water Resistance | ISO 2812-2 | 20 cycles, no blistering |
You obtain excellent corrosion resistance through the combination of polyester topcoat and zinc-rich primer.
You benefit from improved edge and corner coverage, reducing corrosion risk at critical areas.
You achieve reliable stone chip resistance suitable for machinery exposed to gravel and debris.
You gain stable UV resistance, helping maintain appearance during long-term outdoor exposure.
You apply a coating system designed for heavy-duty machinery operating under mechanical and environmental stress.
We solved a long-term corrosion protection challenge for an agricultural machinery manufacturer.
The customer needed a coating solution for machinery frames and truck bodies operating in high-humidity and abrasive environments. Their previous coating system showed early corrosion at edges and fasteners, as well as coating damage from stone impact.
We recommended the MT-602 system with a zinc-rich primer to enhance corrosion protection and edge coverage. By optimizing film thickness and curing conditions, the customer achieved improved salt spray resistance, stable adhesion, and better stone chip performance under laboratory evaluation. This helped extend equipment service life and reduce repainting frequency in field use.
Powder coatings can be categorized by resin system (epoxy, polyester, hybrid, polyurethane), appearance (smooth, texture, hammer, metallic, pearlescent), or performance level (anti-corrosion, heat-resistant, UV-resistant, architectural grade, automotive grade).
Powder coatings offer thousands of colors in gloss, matte, satin, metallic, candy, texture, wrinkle, hammer tone, wood grain, fluorescent, and other custom effects. Special powders can create soft-touch, anti-scratch, anti-fingerprint, or anti-graffiti surfaces.
The process generally includes surface pretreatment (degreasing, phosphating, chromating, sandblasting), drying, electrostatic spraying, curing in an oven, and cooling. A well-controlled pretreatment and curing process ensures strong adhesion and long service life.
Powder coatings are environmentally friendly, solvent-free, and produce minimal waste. They offer excellent corrosion resistance, weather durability, mechanical strength, and uniform film appearance. The coating is tough, impact-resistant, scratch-resistant, and has a long lifespan.
Powder coatings are widely used in appliances, aluminum profiles, architectural components, automotive parts, bicycles, furniture, outdoor equipment, machinery, electrical cabinets, pipeline systems, and general industrial and consumer goods.
Powder coating is a dry finishing technology where finely ground powder is electrostatically sprayed onto a metal or non-metal surface and then cured at high temperature. After curing, the powder melts into a continuous, durable, and decorative coating layer.
Powder coating protects the substrate from corrosion, weathering, chemical attack, and mechanical wear. It also provides decorative appearance with rich colors, gloss levels, textures, and special effects.
In many industrial applications, powder coating outperforms liquid paint. It forms a thicker and tougher coating, resists corrosion and chemicals better, and does not contain VOCs. It also provides excellent consistency and cost-effective mass production.
It is called powder coating because the coating material is a solid powder instead of a liquid paint. The coating is formed by melting and curing powder particles under heat.
Powder coatings include several families depending on resin chemistry:
• Epoxy powders
• Polyester powders
• Epoxy-polyester hybrid powders
• Polyurethane powders
• Acrylic powders
• Fluorocarbon (PVDF) powders
Each type has its own performance features such as corrosion resistance, UV resistance, chemical resistance, outdoor durability, or decorative properties.
Powder coatings are based on thermoset or thermoplastic resins combined with pigments, curing agents, fillers, additives, and in some cases metallic or effect particles. Common substrates include steel, aluminum, galvanized metal, MDF, and certain heat-resistant plastics.
The lifespan depends on powder type, film thickness, application method, pretreatment, and service environment. Indoor coatings can last more than 10–20 years. High-grade outdoor polyester or fluorocarbon powders can last 15–25 years or longer under UV exposure.
For help with solutions customized to your business needs, contact Export Director now.
Export Director
With 30+ years of experience and We firmly believe that product quality is the basis of cooperation.
Send Inquiry
TEl
+86 132 6275 2056
