SALT-RESISTANT/ANTI-RUST IRON BOX DESIGN

Salt-resistant and anti-rust iron enclosure is engineered to withstand the harshest coastal and high-humidity environments, ensuring long-lasting durability for gas station LED signs. The heavy-duty iron construction is fortified with a multi-layer protective coating system, including electro-galvanization and advanced powder coating, to create an impenetrable barrier against salt spray, moisture, and corrosive fuel vapors. Unlike standard metal casings, this specialized design prevents oxidation and rust even in extreme conditions, such as seaside locations or industrial areas with high airborne salinity. The rugged, weatherproof sealing (IP65/IP66 rated) further blocks saltwater intrusion, dust, and rain, while the reinforced structural integrity resists physical impacts. With minimal maintenance requirements and a fade-resistant finish, this enclosure guarantees years of reliable performance

DATA SHEET

FAQ

Q1: Why is salt-resistance critical for gas station LED signs?
A1: Coastal areas and winter road salt create highly corrosive environments. Our salt-resistant iron box uses specialized coatings and sealing to prevent rust, ensuring years of reliable operation where standard enclosures would fail.

Q2: What anti-rust technologies are used in your iron enclosure?
A2: We employ a 3-stage protection system:

Electro-galvanized iron base for foundational rust prevention

Epoxy primer layer for chemical resistance

UV-stable polyester powder coating for durable weather protection

Q3: Can this withstand high-pressure washing at fuel stations?
A3: Absolutely! The IP66-rated seals block water ingress during cleaning, while the marine-grade powder coating resists peeling or blistering from chemical detergents or pressurized washes.

Differences Between Outdoor-Grade vs Indoor-Grade Powder Coating Materials

1. Weather Resistance

• Outdoor: Formulated with UV stabilizers to prevent fading/chalking from sunlight exposure. Resists oxidation, rain, and temperature swings (-40°C to +80°C).

• Indoor: Lacks UV protection; prolonged sun exposure causes discoloration and brittleness.

2. Corrosion Protection

• Outdoor: Contains anti-corrosive additives (e.g., epoxy-polyester hybrids) to withstand moisture, salt, and chemicals (e.g., fuel vapors at gas stations).

• Indoor: Minimal corrosion resistance; suitable only for dry, controlled environments.

3. Durability & Thickness

• Outdoor: Thicker coatings (60–80μm) with enhanced adhesion to survive mechanical wear, hail, or windblown debris.

• Indoor: Thinner (40–60μm), prioritizing aesthetics over impact resistance.

4. Chemical Resistance

• Outdoor: Resists oils, solvents, and acidic/alkaline cleaners (e.g., for industrial or automotive use).

• Indoor: Vulnerable to chemical damage; designed for household or office cleanliness.

5. Material Composition

• Outdoor: Uses polyester, polyurethane, or fluoropolymers for long-term weatherability.

• Indoor: Often acrylic or epoxy-based, cheaper but less robust.

6. Flexibility

• Outdoor: Retains elasticity in cold/heat to avoid cracking.

• Indoor: More rigid; may crack under thermal expansion.

7. Cost

• Outdoor: 20–30% more expensive due to advanced additives.

• Indoor: Budget-friendly for non-harsh applications.