Stab Resistance of Personal Body Armor NIJ Standard–0115.00

HOSDB 2007 (UK Police - “Home Office Scientific Development Branch” Standard)

Impact Energy Strike 1

Impact Energy Strike 2

Level

Police Standard
Test Weapon

Joules

ft/lbs

Penetration
Max (mm)

Joules

ft/lbs

Penetration
Max (mm)

Anti-Slash

3 inch Bowie Knife (L113)

25

18.4

5

Not Tested
Impacts at Energy 1 Strike + 50% (Energy Strike 2) were not introduced until 1999

6 inch Bowie Knife (L104)

5

KR1+SP1

Engineered Blade (P1/B)

24

17.7

7

36

26.5

20

Engineered Spike (SP/B)

Nil

Nil

KR2+SP2

Engineered Blade (P1/B)

33

24.3

7

50

36.8

20

Engineered Spike (SP/B)

Nil

Nil

KR3+SP3

Engineered Blade (P1/B)

43

31.7

7

65

47.9

20

Engineered Spike (SP/B)

Nil

Nil

HOSDB 2007 Test Weapons

PSDB Stab Resistant Standard - Body Armour (1999)

PSDB
Level

Energy Level E1
(joules)

Maximum Penetration at E1
(mm)

Energy Level E2
(joules)

Maximum Penetration at E2
(joules)

KR1

KR1 is the lowest protection level and is tested at a performance level of 24 joules of energy. It
should offer maximum periods of wear in a low risk-patrolling environment. Armour tested to
this level would be suitable for covert or overt use.

24

7

36

20

KR2

KR2 is a medium protection level, tested at a performance level of 33 joules. This should
provide for a general duty garment for extended wear and may be covert or overt.

33

7

50

20

KR3

KR3 is a high protection level tested at a performance level of 43 joules. This would be
suitable for short periods of wear in high-risk situations. Armour manufactured to this level would normally be overt.

43

7

65

20