Outdoor Furniture (Aluminum/Iron/Stainless Steel Tables and Chairs, Hanging Baskets)

1. Typical Procurement Scenarios

Core applications: residential courtyard/balcony furniture, commercial outdoor dining furniture, park leisure facilities, hotel outdoor furniture, and coastal/poolside furniture.

Core requirements: weather resistance, scratch resistance, corrosion resistance, comfortable feel, rich colors, easy to clean, and a good balance of cost and performance.

2. Industry Pain Points

1. Long-term exposure to sunlight and rain, large temperature differences, and salt spray corrosion in coastal/swimming pool areas can cause the coating to fade, chalk, blister, and peel off.

2. Daily touching, handling, and bumps can cause the coating to have poor scratch resistance, making the edges and corners prone to wear and scratches, affecting its appearance and service life.

3. Furniture often has irregularly shaped parts and dense welding points, which can easily lead to uneven powder application and missed spots at welding points during spraying, affecting the adhesion of the coating.

4. Low-end powders have insufficient weather resistance, resulting in a high after-sales repair rate and a low customer repurchase rate.

3. How to choose

1. Selection based on substrate: Aluminum furniture (pure polyester matte/flat, ultra-weather resistant polyester, fluorocarbon high-end custom); Iron furniture (epoxy primer + pure polyester topcoat double layer coating, or epoxy polyester single layer coating); Stainless steel furniture (pure polyester/fluorocarbon, with adhesion-enhancing formula).

2. Selection based on environment: General outdoor (QUV≥1000h, salt spray≥500h, scratch resistance H grade); Coastal/swimming pool (ultra-weather resistant polyester + sealant, QUV≥1500h, salt spray≥800h); High-end commercial (fluorocarbon powder, weather resistant for 15+ years, color difference ΔE<2).

3. Surface finish: matte (mainstream, anti-glare, dirt resistant), sand texture (scratch resistant, conceals imperfections), metallic texture (high-end decoration), wood grain transfer (imitation solid wood).

4. Why choose this option?

1. Pure polyester matte powder: balances the three major requirements of weather resistance, scratch resistance and cost, with a comfortable and non-glaring matte texture, suitable for mainstream outdoor furniture scenarios.

2. Double-layer coating (wrought iron furniture): Epoxy primer provides strong corrosion protection, while pure polyester topcoat ensures weather resistance and appearance, solving the problem of wrought iron furniture being prone to rusting.

3. Ultra-weather resistant/fluorocarbon powder: Designed for highly corrosive environments such as coastal areas and swimming pools, it enhances salt spray resistance and UV protection, reduces after-sales issues, and extends the lifespan of furniture.

4. Matte/Frosted Surface: Combining practicality and aesthetics, matte surfaces are dirt-resistant, while frosted surfaces are scratch-resistant, and can also cover up processing defects, reducing production and after-sales costs.

5. Process Recommendations

1. Pretreatment process: Iron parts (shot blasting/sandblasting → degreasing → phosphating → drying); Aluminum/stainless steel parts (degreasing → passivation → drying); Key requirements: Shot blasting/sandblasting roughness Ra 1.5-2.5μm to ensure adhesion.

2. Spraying process: Use an electrostatic spray gun with a rotating hanger to spray the welding points and corners, ensuring that the coating thickness at the corners is ≥70μm and avoiding any gaps in the coating.

3. Curing process: 180–220 ℃ × 15–20min; for double-layer coating of wrought iron, ensure that the primer is completely dry before spraying the topcoat to avoid peeling between layers.

4. Quality Inspection: Mandatory inspection items (cross-cut adhesion, scratch resistance test, QUV aging test, salt spray test); appearance inspection (no particles, no color difference, no missed coating).

6. Recommended product mix

1. General outdoor furniture (patio tables and chairs, balcony hanging baskets): pure polyester matte powder (RAL9016 pure white/RAL7035 industrial gray/RAL6006 mint green) + chromium-free passivator + scratch-resistant additive, comfortable to the touch, dirt-resistant and easy to clean; pure white is suitable for minimalist patios, industrial gray is suitable for modern balconies, and mint green is suitable for pastoral-style patios. All have a matte texture, are anti-glare and not dazzling.

2. Coastal/Pool Furniture (Poolside Tables and Chairs, Coastal Leisure Facilities): Ultra-weather resistant polyester powder (color scheme: RAL8002 brown/RAL5015 light blue/RAL9003 milky white) + sealant + anti-corrosion primer (for wrought iron), resistant to salt spray and water immersion, reducing after-sales repairs; brown is suitable for beach pools, light blue matches the pool environment, and milky white is suitable for high-end hotel pools, water-resistant, sun-resistant and not easy to fade.

3. High-end commercial furniture (hotel outdoor display, park landmarks): Fluorocarbon powder (color scheme: RAL7012 graphite gray/RAL1021 cream yellow/RAL4003 violet) + metallic bonding powder (optional, champagne gold/bronze) + feel additives, high-end texture, weather resistant for 15+ years, suitable for the aesthetics of commercial scenes; graphite gray is suitable for business hotels, cream yellow is suitable for leisure hotels, and violet is suitable for distinctive park landmarks.