This standard specifies the hygienic requirements and inspection methods for epoxy phenolic coatings on the inner wall of food cans. This standard applies to epoxy phenolic coatings (film-forming by high-temperature iron printing) made of copolymerized high molecular weight epoxy resin and phenolic resin and can be used for the inner wall of food cans. GB 4805-1994 Hygienic Standard for Epoxy Phenolic Coatings on the Inner Wall of Food Cans GB4805-1994 Standard Download Decompression Password: www.bzxz.net

National Standard of the People's Republic of China
Hygienic standard for epoxy phenolic resin coating for the internal lacquer offood cans Subject content and scope of application
This standard specifies the hygienic requirements and inspection methods for epoxy phenolic resin coating for the internal lacquer offood cans. GB4805-94
Replaces GB4805-84
This standard applies to epoxy phenolic resin coating (film-forming by high-temperature iron printing) that is copolymerized with high-molecular epoxy resin and phenolic resin and can be used for the internal lacquer offood cans.
2 Referenced standards
GB5009.69 Analysis methods for hygienic standards of epoxy phenolic resin coating for the internal lacquer offood cans 3 Hygienic requirementsbZxz.net
3.1 Sensory index
The sensory index should meet the requirements of Table 1.
Coating immersion liquid
3.2 Physical and chemical indicators
Brown viscous liquid
The surface is golden yellow, smooth and uniform. After soaking, the color is normal, without whitening or shedding. There is no different color, no odor, and no turbidity. 3.2.1 The physical and chemical indicators of resin and coating should meet the requirements of Table 2. Table 2
Free phenol, %
Phenolic resin
Epoxy phenolic coating
3.2.2 The physical and chemical indicators of the coating should meet the requirements of Table 3. Approved by the Ministry of Health of the People's Republic of China on March 18, 1994 V
GB4805-94
Free phenol (water), 95℃, 30min
Free formaldehyde (water), 95℃, 30min
Potassium permanganate consumption, 95℃, 30min
Implemented on September 1, 1994
Evaporation residue, water, 95℃, 30min
20% ethanol, 60℃, 30min
4% acetic acid, 60℃, 30min
N-hexane, 37℃, 2h
4 Inspection method
Operate according to the provisions of GB5009.69.
Additional remarks:
This standard is proposed by the Health Supervision Department of the Ministry of Health. This standard was drafted by Shanghai Food Hygiene Inspection Institute, Shanghai Food Industry Research Institute, and Food Fermentation Industry Science Research Institute of the Ministry of Light Industry. The main drafters of this standard are Gu Zhenhua, Zhang Weilan, Tu Yongli, and Yi Weixue. The Ministry of Health’s Food Hygiene Inspection Institute, the technical unit entrusted by the Ministry of Health, is responsible for interpreting this standard.
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