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Food Grade Powder Coatings

Introduction

Food grade powder coatings are specially formulated solvent-free, non-toxic coatings that meet FDA and EU food contact regulations. They are designed for direct or indirect contact with food, providing a safe, durable, and aesthetically pleasing finish. These coatings are ideal for kitchen appliances, food processing equipment, and public food facilities.

Applications & Use Cases

IndustryTypical Products/PartsBenefits of Food Grade Powder Coatings
Kitchen Appliances Ovens, mixers, toasters, cookware Non-toxic, heat-resistant, easy to clean
Food Processing Equipment Conveyor belts, storage bins, stainless steel trays Hygienic, corrosion-resistant, FDA compliant
Beverage & Dairy Industry Milk tanks, beverage dispensers Safe for direct contact with liquids, durable finish
Furniture & Public Use Cafeteria tables, metal shelves Anti-bacterial, easy to maintain, long-lasting
Packaging & Containers Metal cans, food storage containers Protective coating, prevents contamination

Key Advantages

Food Safety Compliance – Meets food contact standards.

Durable & Hygienic – Resistant to corrosion, scratches, and cleaning chemicals.

Eco-Friendly – 100% solvent-free, low VOC, safe for food applications.

Wide Range of Colors & Gloss – Attractive and consistent surface finish.

Industrial B2B Supply – Suitable for OEM production and large-scale applications.

Health and safety

Operators should wear dust masks during use to avoid inhaling dust, and minimize long-term contact between skin and powder coating. Paint attached to the skin can be washed with soap.

Coating performance – indoor mixed type

Test items Inspection standard or method Inspection index
Appearance Visual Coating uniform, no burrs, bubbles and other defects
Film thickness GB/T 1764 >60 μm
Adhesion GB/T 9286 Level 0
Impact GB/T1732 ≥50Kg·cm
Neutral salt spray resistance GB/T 1771 500h; Stroke area: unidirectional rust ≤2.0mm; Unstrike area: no abnormality
Acid resistance GB/T9274 300h no smearing, no spots, slight discoloration allowed
Alkali resistance GB/T9274 200h no smearing, slight discoloration allowed
Bending GB/T 6742 ≤3mm
Wet and hot resistance GB/T1740 500h no abnormality
Soluble lead (mg/kg) ≤ GB 18581 90
Soluble chromium (mg/kg) ≤ GB 18581 60
Soluble cadmium (mg/kg) ≤ GB 18581 75
Soluble mercury (mg/kg) ≤ GB 18581 60
Total mobility/(mg/mch2) ≤ USFDA21CFR175.300 10
Curing conditions 180℃/15min

Coating performance – outdoor pure polyester type

Test items Inspection standard or method Inspection index
Appearance Visual Coating uniform, no burrs, bubbles and other defects
Film thickness GB/T 1764 ≥60 μm
Adhesion GB/T 9286 Level 0
Impact GB/T1732 ≥50Kg·cm
Neutral salt spray resistance GB/T 1771 500h; Scribed area: unidirectional rust ≤2.0mm; Unscribed area: no abnormality
Acid resistance GB/T9274 500h; No smearing, no spots, slight discoloration allowed
Alkali resistance GB/T9274 200h; No smearing, slight discoloration allowed
Bending GB/T 6742 ≤3mm
Cupping GB/T 9753 ≥6mm
Wet and hot resistance GB/T1740 500h No abnormality
Soluble lead (mg/kg) ≤ GB 18581 90
Soluble chromium (mg/kg) ≤ ;B18581 60
Soluble cadmium (mg/kg) ≤ GB 18581 75
Soluble mercury (mg/kg) ≤ GB 18581 60
Total mobility/(mg/mch2 ) ≤ USFDA21CFR175.300 10
Artificial weathering resistance GB/T 1865 800h; Discoloration ≤2 level; Gloss loss ≤2 level
Curing conditions 190℃/15min

Applicable to household appliances, tableware, food processing machinery, toys, stationery, sports equipment, etc. that come into contact with food.

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