Standards

Blast and Bullet Resistance

Blast Resistant Standards

Performance Condition Protection Level Hazard Level Description of Window Glazing Response
1 Safe None Glazing does not break. No visible damage to glazing or frame.
2 Very High None Glazing cracks but is retained by the frame. Dusting or very small fragments near sill or on floor acceptable.
3a High Very Low Glazing cracks. Fragments enter space and land on floor no further than 3.3 ft. from the window.
3b High Low Glazing cracks. Fragments enter space and land on floor no further than 10 ft. from the window.
4 Medium Medium Glazing cracks. Fragments enter space and land on the floor and impact a vertical witness panel at a distance of no more than 10 ft. from the window at a height no greater than 2 ft. above the floor.
5 Low High Glazing cracks and window system fails catastrophically. Fragments enter space impacting a vertical witness panel at a distance of no more than 10 ft. from the window at a height greater than 2 ft. above the floor.

Bullet Resistant Standards

UL 752

Ratings of Bullet Resistant Materials

Protection Level Ammunition No. of Shots
Level 1 9mm Full Metal Copper Jacket with 3. Lead Core 3
Level 2 357 Magnum Jacketed LeadSoft Point 3. 3
Level 3 44 Magnum Lead Semi-Wadcutter 3. Gas Checked 3
Level 4 30 Caliber Rifle Lead Core Soft Point(.30-06 caliber) 1
Level 5 7.62mm Rifle Lead Core Full Metal Copper 1 Jacket, Military Ball (.308 caliber) 1
Level 6 9mm Full Metal Copper Jacket with 5 Lead Core 5
Level 7 5.56mm Rifle Full Metal Copper Jacket with 5 Lead Core (223 caliber) 5
Level 8 7.62mm Rifle Lead Core Full Metal Copper 5

NIJ Standard 0801.01

Ballistic Resistant Protective Materials

Armor Type Test Ammunition Rqd. Hits per Specimen
I LRHW Lead 38
Special RN Lead
5
5
II-A 357 Magnum
JSP 9mm FMJ
5
5
II 357 Magnum JSP (higher velocity round)
9mm FMJ (higher velocity round)
5
5
III-A 44 Magnum, LeadSWC Gas Checked
9mm FMJ
5
5
III 7.62mm, 308Winchester FMJ 5
IV 30-06 AP 1

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