Which lubricants can be used in a GMP environment?

Lubricants are categorized into three groups according to the National Sanitation Foundation (NSF). These three group titles are used for labelling lubricants.
H1 lubricants may be used throughout the food industry where product contact may be technically unavoidable.
H2 lubricants may be used throughout the food industry where product contact can be ruled out.
H3 lubricants consist of water soluble oils which are used as corrosion proofing agents or for cleaning transport trolleys, hooks, etc. and are categorized as chemically acceptable.

[GMP Compliance Adviser, Chapter 4.B]

You can find out more about this topic:

The GMP Compliance Adviser is the world's largest knowledge portal for quality management in the pharma business!