---
title: Carbon Graphite Materials Are a Solid Choice for Food & Pharma Applications
description: Carbon graphite is a preferred material in the food and pharmaceutical industries when because it is an impervious material grade and considered GRAS (Generally Recognized as Safe) by the FDA (Food and Drug Administration). It is suitable to be used in food and pharmaceutical applications, which are highly regulated for human safety.
---

[Metcar Blog | Metcar ](https://blog.metcar.com)

# [Carbon Graphite Materials Are a Solid Choice for Food & Pharma Applications](https://blog.metcar.com/carbon-graphite-material-for-food-and-pharma-manufacturing)

 Written by [Keri Hardyal](https://blog.metcar.com/author/keri-hardyal) | Mar 6, 2025 7:34:44 PM

Catch Metcar in the [May 2021 issue of Pumps & Systems](https://www.pumpsandsystems.com/benefits-using-carbongraphite-food-pharmaceutical-applications) to learn about how carbon graphite can be a solution in food and pharmaceutical applications.

Many of us are familiar with using self-lubricating carbon graphite mechanical components for extreme applications in the oil and gas or aerospace industries. However, carbon graphite is also a suitable solution in the food and pharmaceutical industries.

During the manufacturing of carbon graphite parts, porosity is created. This porosity can be potentially hazardous in food and pharmaceutical applications if it is not completely filled. When the porosity of material grades is completely filled, the part is considered to be impervious to liquids. As such, there is no available porosity for bacteria to enter and grow. Impervious material grades are considered GRAS (Generally Recognized as Safe) by the FDA (Food and Drug Administration) and therefore, are suitable to be used in food and pharmaceutical applications, which are highly regulated for human safety.

Metcar offers several resin, carbon, copper, bronze, nickel chrome, and oxidation inhibitor impregnated carbon graphite grades, that are impervious to liquids and considered GRAS as seen in the table below.

Select material grades also have additional approvals such as USP Class VI, NSF-51, and WRAS, which are described below:

- RAS, which are described below:
  
    - **USP Class VI** – U.S. Pharmacopeial Convention
  
  
  
    - **NSF-51** – National Sanitation Foundation
  
  ** **
  
    - **WRAS** – Water Regulations Advisory Scheme
  
  With these approvals, self-lubricating carbon graphite mechanical components can be used in food handling conveyors and ovens, vacuum pumps, mixer scraper blades, and much more.

With these approvals, self-lubricating carbon graphite mechanical components can be used in food handling conveyors and ovens, vacuum pumps, mixer scraper blades, and much more.

Read more about how you can use carbon graphite in the food and pharmaceutical industries for high temperature, submerged, and dry applications in Metcar’s Pumps & Systems article “[*The Benefits of Using Carbon/Graphite in Food & Pharmaceutical Applications*](https://www.pumpsandsystems.com/benefits-using-carbongraphite-food-pharmaceutical-applications)” in the May 2021 issue of Pumps & Systems.

For more information about carbon graphite products for your application, contact an engineer today.

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