Lubricants that meet NSF H1 grade specifications are usually used for kitchenware and household appliances. NSF H1 specifies that food-grade lubricants are safe for accidental food contact, making them suitable for kitchenware and household appliances. In order to maintain food safety standards, any lubricating oil used on electrical appliances that may come into accidental contact with food should be NSF H1 grade.
The brand code of lubricating oil mainly depends on its usage scenario and lubrication needs, especially regarding food-grade and non-food-grade oils. Food-grade oils, also known as food safety lubricants or food-grade lubricants, are specifically designed for equipment and machinery used to handle food. They have good corrosion resistance and antioxidant properties and do not pose a hazard in accidental contact with food.
The specific grades may vary, but common food-grade oils include NSF H1, NSF H2, and NSF H3. Set by the National Health Foundation (NSF) of the United States.
NSF H1: This type of lubricant is considered safe in case of unintentional contact with food. This means that the maximum concentration of these oils in food will not exceed 25 ppm (15 parts per million). This type of lubricant is mainly used in food processing equipment and often has the possibility of accidental contact with food.
NSF H2: This type of lubricant can be used in food processing environments that do not come into direct contact with food. Generally speaking, this type of oil is used in parts of the machine, and if the lubricating oil leaks, it will not come into contact with food.
NSF H3: This type of lubricant is designated as an edible grease or lubricant, suitable for components that come into direct contact with food. Applied to molds, grills, or other equipment to prevent food from sticking to machines during processing, these lubricants have the characteristic of being safely consumed when needed without negative effects on human health.
Food-grade lubricants may be required for household appliances, such as NSF H1-grade lubricants. This type of lubricating oil is safe in case of accidental contact with food. This means that in the event of a leak or leakage, these oils can be safely used in areas that may come into contact with food and are suitable for kitchenware and household appliances. NSF H3 is a food-grade grease that is safe to use when it comes into direct contact with food. Therefore, H3 lubricants can also be used as H1 lubricants, as they often have dual purposes. For example, if you have a kitchen mixer or grinder, they usually use NSF H1 lubricant.
However, it is best to refer to the user manual or consult the manufacturer of specific equipment to determine the most suitable lubricant type. They will provide the most accurate information based on the design and materials of the equipment.
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