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Food Container Coating

Food Container Coating

The food container coating is composed of epoxy resin, special auxiliary, solvents, epoxy hardener, polyamide resin, pigments and fillers, etc with two-component packed. It is packaged as component A and component B, with the component B being universal hardener for primer and finish coat. The macromolecule food container coating is feathered in excellent water, oil and chemical resisting properties. In the meanwhile, with strong adhesion and abrasion resistance ability, the non-toxic, odorless paint film of this food container coating proves to be sanitary paint, and it meet the standard tested by the national academy of preventive medicine as per procedures for food toxicological assessment.

This macromolecule food container coating is mainly used for inner walls of drinking water tanks, fresh water tanks, dry cargo holds, granaries, as well as internal walls of tanks, pipelines, and warehouses in the beer, beverage, food, medicine, and tap water industries, to name a few.


Mixture Ratio Primer: Component A: Component B=25:5 Finish coating: Component A: Component B = 24:4
Curing Time 23±2℃: 0.5~1h
Shelf Life 23±2℃: 1h
Thinner Special thinner for polymer sanitary coating
Coating Methods Airless Spraying Air Spraying Roller Coating and Manual Brushing
Maximum Dilution 3% 10% 5%
Spray Holes 0.48-0.53 mm 2.0-3.0 mm -
Spraying Pressure 30-35Mpa 0.3-0.5 Mpa -
Tool Cleaning Special thinner for polymer sanitary coating
Paint Film Thickness Wet film: 480um Dry film: 400um
Coating Interval
Substrate Temperature 5℃ 20℃ 30℃
The Shortest Interval 24 h 8 h 6 h
The Longest Interval 14 days 7 days 5 days
Surface Treatment 1. Steel with scale: Before applying the food container coating, the surface should be treated by means of shot blasting or sand blasting, to meet Sweden derusting standard Grade Sa2.5. 2. Steel without scale: Surface treated through shot blasting or abrasion blasting should be up to Sweden derusting standard Grade Sa2.5. You can also grind the surface with pneumatic or electric tools until it reaches the level required by Sweden derusting standard Grade St3. 3. Steel coated with shop primer: Prior to application of the food container coating, the surface should be clean, free of damaged primer or impurities, and ground to the level of Sweden derusting standard Grade St3 after secondary rust removal.
Application Conditions The substrate temperature should be at least 3℃ higher than the dew point, and the relative humidity is required to be less than 85%.
Preceding Coats Epoxy zinc rich shop primer, epoxy zinc powder shop primer, and inorganic zinc silicate shop primer.


Color Primer: Iron red, Finish coating: White, gray, iron red, etc.
Gloss Glossy
Theoretical Spreading Rate Primer: 430 g/㎡, Finish coating: 400g/㎡
Specific Weight Primer: Approx. 1.75, Finish coating: Approx.1.70
Drying Time 23±2℃: Surface drying ≤2h, Complete drying ≤8h
Flash Point 35℃
Storage Life 12 months

As a professional manufacturer of food container coating in China, Zhongbang Chemical Group Co.,Ltd also provide customers worldwide with PVC door PVC window, coating, paint, epoxy primer, acrylic coating, alkyd primer (alkyd paint), etc. ISO9001: 2000 certificate is available for our products. We established business relationship with customers from Russia, Spain, Ukraine, Holland, India, Mexico, etc. If you are interested in our food container coating, please don't hesitate to contact us.

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