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Home > Resources > Glossary > K

Perimeter security glossary - K

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K

SD-STD-02.01 Revision B U.S. Department of State Designation crash test rating that indicates vehicle speed during crash test and are based on the kinetic energy of the vehicle during impact. Results are normally combined with the L ratings.

K and L Ratings

Ratings established by the U.S. Department of State test procedures in accordance with standard SD-STD-02.01. This standard specifies a vehicular impact (perpendicular to the barrier) of a 15,000-pound vehicle at a speed of 30, 40, or 50 mph.

K12

SD-STD-02.01 Revision B U.S. Department of State Crash Test rating indicating a barrier with this rating can withstand a 15,000-pound vehicle crashing perpendicularly into the barrier at 50 mph or 80 kph. Normally, the K ratings are combined with an L series penetration rating.

K4

SD-STD-02.01 Revision B U.S. Department of State Crash Test rating indicating a barrier with this rating can withstand a 15,000-pound vehicle crashing perpendicularly into the barrier at 30 mph or 48 kph. Normally, the K ratings are combined with an L series penetration rating.

K8

SD-STD-02.01 Revision B U.S. Department of State Crash Test rating indicating a barrier with this rating can withstand a 15,000-pound vehicle crashing perpendicularly into the barrier at 40 mph or 65 kph. Normally, the K ratings are combined with an L series penetration rating.

Kevlar

A synthetic yellow-brown (aramid) fiber of very high tensile strength, woven into bulletproof vests, molded into solid sheets of lightweight armor (from aircraft to helmets). Kevlar is the brand name from DuPont used in bulletproof jackets. It loses its good properties when exposed to the sun for extended periods of time. See Bullet Resistant Vest.

Killing Zone

An area in which the enemy is to be lured or forced to occupy so as to concentrate fire upon them, often as a result of an ambush.

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L | M | N | O | P | Q | R | S | T | U | V | WXYZ

For more information about Infrastructure Defense Technologies' perimeter security products and applications, please call us at 1-800-621-5617, email us at info@themetalith.com, or fill out our contact form.

The Metalith
A Division of Infrastructure Defense Technologies
3575 Morreim Drive • Belvidere, Illinois 61008
Phone: 1-800-621-5617• Fax: 1-815-323-1317
Email: info@themetalith.com