A food grade lubricant is one acceptable for use for machinery in food, beverage, food packaging and pharmaceutical processing industry. During processing, incidental contact between lubricants and food, products maybe occur. Therefore, beside the same technical functions as normal industrial lubricants, food-grade lubricants must be odorless, colorless, tasteless, and food safety.

In addition, food-grade lubricants must withstand the severe working environment in food-processing such as: temperature rapid change, temperature considerable change, wet, high humidity, growing of microorganisms such as bacteria, yeast and fungi due to presence of food, additive negative impact on chemical stability of lubricants...

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