1C240 Category 1C

Nickel powder or porous nickel metal, other than nickel powder or porous nickel metal, specially prepared for the manufacture of gaseous diffusion barriers subject to the export licensing authority of the Nuclear Regulatory Commission (see 10 CFR part 110), as follows (see List of Items Controlled).

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

Reasons for control

• NP: Nuclear nonproliferation
• AT: Anti-terrorism

List-based license exceptions

Items

1. ECCN Controls: This entry does not control the following:
2. a. Filamentary nickel powders;
3. b. Single porous nickel sheets with an area of 1,000 cm 2 per sheet or less.
4. Items: a. Nickel powder having both of the following characteristics:
5. a.1. A nickel purity content of 99.0% or greater by weight; and
6. a.2. A mean particle size of less than 10 micrometers measured by American Society for Testing and Materials (ASTM) B330 standard;
7. b. Porous nickel metal produced from materials controlled by 1C240.a.

Related controls

(1) See ECCNs 1E001 (“development” and “production”) and 1E201 (“use”) for technology for items controlled by this entry. (2) Nickel powder and porous nickel metal, “specially designed” or prepared for use in separating uranium isotopes, are subject to the export licensing authority of the Nuclear Regulatory Commission (see 10 CFR part 110).

Notes

Technical Note: 1C240.b refers to porous metal formed by compacting and sintering the materials in 1C240.a to form a metal material with fine pores interconnected throughout the structure.

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