ECCN.DEV by Cancelli

2A225 Category 2A

Crucibles made of materials resistant to liquid actinide metals (see List of Items Controlled).

Category 2: Materials Processing

Reasons for control

Country chart

ControlColumn
AT applies to entire entryAT 1
NP applies to entire entryNP 1

List-based license exceptions

ExceptionAs stated in the entry
GBS N/A
LVS N/A

Items

  1. Items: a. Crucibles having both of the following characteristics:
  2. a.1. A volume of between 150 cm 3 (150 ml) and 8,000 cm 3 (8 liters); and
  3. a.2. Made of, or coated with, any of the following materials, or combination of the following materials, having an overall impurity level of 2% or less by weight:
  4. a.2.a. Calcium fluoride (CaF2);
  5. a.2.b. Calcium zirconate (metazirconate) (CaZrO3);
  6. a.2.c. Cerium sulfide (Ce2S3);
  7. a.2.d. Erbium oxide (erbia) (Er2O3);
  8. a.2.e. Hafnium oxide (hafnia) (HfO2);
  9. a.2.f. Magnesium oxide (MgO);
  10. a.2.g. Nitrided niobium-titanium-tungsten alloy (approximately 50% Nb, 30% Ti, 20% W);
  11. a.2.h. Yttrium oxide (yttria) (Y2O3); or
  12. a.2.i. Zirconium oxide (zirconia) (ZrO2);
  13. b. Crucibles having both of the following characteristics:
  14. b.1. A volume of between 50 cm 3 (50 ml) and 2,000 cm 3 (2 liters); and
  15. b.2. Made of or lined with tantalum, having a purity of 99.9% or greater by weight;
  16. c. Crucibles having all of the following characteristics:
  17. c.1. A volume of between 50 cm 3 (50 ml) and 2,000 cm 3 (2 liters);
  18. c.2. Made of or lined with tantalum, having a purity of 98% or greater by weight; and
  19. c.3. Coated with tantalum carbide, nitride, boride, or any combination thereof.

Related controls

See ECCNs 2E001 (“development”), 2E002 (“production”), and 2E201 (“use”) for technology for items controlled under this entry.

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