1A003 Category 1A

Manufactures of non-“fusible” aromatic polyimides in film, sheet, tape or ribbon form having any of the following (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

Control	Column
AT applies to entire entry	AT 1
NS applies to entire entry	NS 2

List-based license exceptions

Exception	As stated in the entry
GBS	N/A
LVS	$200

Items

Items: a. A thickness exceeding 0.254 mm; or
b. Coated or laminated with carbon, graphite, metals or magnetic substances.

Related controls

This entry does not control manufactures when coated or laminated with copper and designed for the production of electronic printed circuit boards. For “fusible” aromatic polyimides in any form, see 1C008.a.3.

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