Food grade hoses are special and cleaning is very special. Before using food grade hoses, the inside of the hose must be flushed to ensure the desired sanitary condition during installation.
The cleaning suggestions are as follows:
1. The maximum temperature of hot water is 90 °C, the maximum temperature of steam is 110 °C (the cleaning time of this type of hose is less than 10 minutes) and 130 °C (the high temperature cleaning of this type of hose is 30 minutes), specifically as product engineer. The recommendations are subject to change.
2, nitric acid (HNO3) or containing nitric acid components, the maximum concentration: 0.1% at 85 ° C, 3% at room temperature.
3, chlorine (CL) or chlorine containing components to clean, the maximum concentration: 1% maximum temperature of 70 ° C.
4, sodium hydroxide (NaOH) or cleaning with sodium hydroxide, the maximum concentration: 2% at 60-80 ° C, 5% at room temperature.