1C990 Category 1C
Fibrous and filamentary materials, not controlled by 1C010 or 1C210, for use in “composite” structures and with a specific modulus of 3.18 × 10 6 m or greater and a specific tensile strength of 7.62 × 10 4 m or greater.
Category 1: Special Materials and Related Equipment, Chemicals, “Microorganisms,” and “Toxins”
Reasons for control
- AT: Anti-terrorism
Country chart
| Control | Column |
|---|---|
| AT applies to entire entry | AT 1 |
List-based license exceptions
Items
- Items: The list of items controlled is contained in the ECCN heading.
Related controls
N/A
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.