Sunday, 1 November 2026
Standing Office 81 (SOVNPA 81) emblem Viet Nam NVietnam National Presiding Agency
on Countering the Proliferation of Weapons of Mass Destruction
Standing Office 81

1.B.5.‘Isostatic presses’, and related equipment, as follows:

List
NSG – Nuclear-related dual-use equipment, materials, software and related technology (Part 2) – INFCIRC/254/Rev.13/Part 2
a. ‘Isostatic presses’ having both of the following characteristics:
1. Capable of achieving a maximum working pressure of 69 MPa or greater; and
2. A chamber cavity with an inside diameter in excess of 152 mm;
b. Dies, moulds, and controls specially designed for the “isostatic presses” specified in Item
a.
Technical Notes: 1. In Item 1.B.5. ‘Isostatic presses’ means equipment capable of pressurising a closed cavity through various media (gas, liquid, solid particles, etc.) to create equal pressure in all directions within the cavity upon a workpiece or material.
2. In Item 1.B.5. the inside chamber dimension is that of the chamber in which both the working temperature and the working pressure are achieved and does not include fixtures. That dimension will be the smaller of either the inside diameter of the pressure chamber or the inside diameter of the insulated furnace chamber, depending on which of the two chambers is located inside the other.