1C006 Category 1C

Fluids and lubricating materials, as follows (see List of Items Controlled).

Category 1: Special Materials and Related Equipment, Chemicals, “Microorganisms,” and “Toxins”

Reasons for control

• NS: National security
• AT: Anti-terrorism

Country chart

List-based license exceptions

Items

1. a. [Reserved]
2. b. Lubricating materials containing, as their principal ingredients, phenylene or alkylphenylene ethers or thio-ethers, or their mixtures, containing more than two ether or thio-ether functions or mixtures thereof.
3. c. Damping or flotation fluids having all of the following:
4. c.1. Purity exceeding 99.8%;
5. c.2. Containing less than 25 particles of 200 µm or larger in size per 100 ml; and
6. c.3. Made from at least 85% of any of the following:
7. c.3.a. Dibromotetrafluoroethane (CAS 25497-30-7, 124-73-2, 27336-23-8);
8. c.3.b. Polychlorotrifluoroethylene (oily and waxy modifications only); or
9. c.3.c. Polybromotrifluoroethylene;
10. d. Fluorocarbon fluids designed for electronic cooling and having all of the following:
11. d.1. Containing 85% by weight or more of any of the following, or mixtures thereof:
12. d.1.a. Monomeric forms of perfluoropolyalkylether-triazines or perfluoroaliphatic-ethers;
13. d.1.b. Perfluoroalkylamines;
14. d.1.c. Perfluorocycloalkanes; or
15. d.1.d. Perfluoroalkanes;
16. d.2. Density at 298 K (25 °C) of 1.5 g/ml or more;
17. d.3. In a liquid state at 273 K (0 °C); and
18. d.4. Containing 60% or more by weight of fluorine.

Related controls

See also 1C996.

Notes

Note: 1C006.d does not apply to materials specified and packaged as medical products.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.