ECCN 6C994

AT

Optical materials, as follows .

Category: 6 - Sensors & LasersProduct Group: C - MaterialsLast Updated: 2026-04-10

What This ECCN Covers

ECCN 6C994 controls optical materials as enumerated in the entry — the Anti-Terrorism companion for certain commercial optical substrate and window materials below the higher thresholds. As an AT-only entry, it reaches a limited set of destinations.

Who needs to check this?

Suppliers of optical substrate, window, and blank materials for commercial optics and instrumentation.

Compliance tip

Read the List of Items Controlled to confirm your material is enumerated, and rule out the higher-control optical-material entries. AT-only control limits licensing to a destination list; screen all parties.

Reviewed by Jack Tan · Last reviewed: Jun 5, 2026

Items Covered

  • 1. Bulk fluoride compounds containing ingredients with a purity of 99.999% or better; or
  • 2. Bulk fluoride glass made from compounds controlled by 6C004.e.1;
  • b.‘Optical fiber preforms’ made from bulk fluoride compounds containing ingredients with a purity of 99.999% or better, specially designed for the manufacture of ‘fluoride fibers’ controlled by 6A994.b.

Control Reasons

ATAnti-Terrorism

Items controlled for anti-terrorism reasons. Most items on the CCL have AT controls.

Column 1: YesColumn 2: No

Disclaimer

This information is for reference only. For official classifications, consult BIS or a qualified export control professional.

Official Reference

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