RP500 is a solvent-based anti-rust wax offering long-lasting corrosion protection for steel, cast iron, and galvanized surfaces. It forms a dense wax film with excellent salt spray resistance (≥1000h) and humidity resistance (≥1000h). This all-weather anti-rust wax remains stable from -35°C to 80°C without dripping, peeling, or cracking. Easy to spray, ideal for marine transportation, outdoor machinery, and warehouse storage.

RP500 Long-lasting All-weather Anti-rust Wax is a high-performance solvent-based anti-rust wax formulated with advanced rust-preventive compounds, refined compound waxes, and petroleum alkanes. Upon application, it forms a dense, flexible, and strongly adherent wax film that provides exceptional long-lasting corrosion protection by effectively sealing out moisture, oxygen, and salt spray in all weather conditions. Whether used for indoor and outdoor metal rust prevention, long-term machinery protection, high-humidity marine transportation, or safe parts storage in warehouses, RP500 delivers reliable and durable anti-rust performance across a wide range of metal substrates including steel, cast iron, and galvanized surfaces.
Physical and Chemical Properties
Testing Item | Test Method | Specification |
Color | Visual | Brownish-yellow viscous liquid |
Flash Point (closed cup), ℃ | GB/T3536 | ≥45 |
High-temperature creep resistance (80℃, 24h), mm | SH/T0942 | ≤2 |
Low-temperature flexibility (-35℃, 8h) | SH/T0942 | No peeling or cracking |
Rust prevention (humidity), h | GB/T2361 | ≥1000 |
Rust prevention (salt spray), h | SH/T0081 | ≥1000 |
Product Features
1. Excellent salt spray and humidity resistance, long anti-rust duration.
Provides outstanding corrosion protection in high-moisture and salty environments, ensuring long-lasting anti-rust performance for marine transportation, machinery protection, and parts storage.
2. Wide application range: after film formation, the wax film does not drip at 80°C, and shows no peeling or cracking at -35°C.
Delivers reliable all-weather protection across extreme temperatures, suitable for both indoor and outdoor metal rust prevention without film failure.
3. Easy to spray, good workability.
Designed for smooth, clog-free application on complex metal surfaces, improving efficiency for production lines and field maintenance.
Packaging Specifications
● 18L/drum ● 200L/drum (or customized according to customer requirements).








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