Proper use of NSF H1 lubricants
In food, beverage, and pharmaceutical production, lubricants are subject to special requirements. NSF H1 registration provides clarity in this regard. This article explains what H1 means, where it applies, and what to consider when selecting lubricants.
To the point: What does NSF H1 mean?
An NSF H1 registered lubricant may be used where occasional, technically unavoidable food contact is possible – for example, on conveyor chains or filling lines. The registration is product-specific and does not replace a separate risk assessment (e.g., HACCP). The current NSF registration and the product's technical data sheet are authoritative.
H1, H2, H3 – the categories
| category | Meaning |
|---|---|
| H1 | for areas with possible, technically unavoidable food contact |
| H2 | for areas without the possibility of food contact |
| H3 | Soluble (e.g., rope grease) for specific applications |
Guideline values – the specific suitability depends on the product and application and must be checked in the respective technical data sheet.
Where H1 comes into play
- Conveyor and drive chains across product areas,
- Filling and packaging systems,
- Bearings, gears and sliding surfaces in food/beverage production,
- Pharmaceutical and cosmetic manufacturing with corresponding hygiene requirements.
What you need to pay attention to
- Valid registration: H1 is product-specific – check the current NSF listing.
- Technical suitability: H1 says nothing about load-bearing capacity, temperature or service life – these must be suitable for the application.
- Own risk assessment: H1 does not replace HACCP and operational requirements.
- Clear separation: H1 and non-H1 lubricants must be clearly labelled in the workplace.
H1 is not a quality seal for performance
The NSF H1 registration assesses solely the suitability for areas with possible, technically unavoidable food contact – not the load-bearing capacity, temperature resistance, or service life. An H1 lubricant must also be technically suitable for the application.
Manage H1 cleanly in operation
- Clearly label and separate H1 and non-H1 products
- Do not mix containers and applicators
- Document registration records,
- Integrate into the HACCP/hygiene concept.
Frequently Asked Questions
Is an H1 lubricant food-safe for consumption?
No. H1 only allows occasional, technically unavoidable contact in minimal quantities – it is not a food additive.
Where can I find the valid registration?
In the public NSF database and in the product datasheet. The registration is product-specific.
Does H1 apply indefinitely?
Registrations are maintained and may change. Check the current status before critical use.
Sources and technical basis
The information is based on NSF registration principles and manufacturer data sheets. Specific registration and suitability are product-specific; the current NSF listing and the respective technical data sheet are authoritative. This information does not replace your own risk assessment.
How SILITECH supports
Tell us the application, load and temperature – we will recommend a suitable, NSF-H1 registered lubricant and provide a data sheet and proof of registration.
