• Glass Partitions

Glass Partitions

Transparent Armored Partition System
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PRODUCT INFORMATION

DESCRIPTION

Storefront locations, recruiting stations, office cubicles, courtrooms, police stations, airports, commercial welcome centers, hallway security, waiting rooms, and classrooms.

Casters: Four lockable swivel (or fixed) casters with brake

User replaceable transparent armor

Inter-lockable without tools

Includes supplemental armor strip for gap protection when connecting multiple units together

All units are available with CamographyTM in limitless colors and patterns to match any surrounding.

Dimensions: 24” (w) x 60” (h) x 26” (d)

Approximate weights:
NIJ Level IIIA: 210 lbs
NIJ Level III: 317 lbs
NIJ Level IV: 370 lbs

Custom sizes and finishes available upon request

 

 

Bullet-Resistant Glass – Need to Know

Bullet-Resistant Glass Construction

Bullet-resistant glass appears identical to regular glass and can save lives. This type of glass can stop single or multiple rounds of bullets from penetrating its surface, depending on the glass thickness and the type of weapon. There are several methods to construct safe and effective bullet-resistant glass.

The standard process for making bullet-resistant glass is to layer pieces of polycarbonate between regular glass sheets in a process called lamination. The polycarbonate is a durable, clear plastic that is especially resistant to damage and penetration. Polyvinyl butyral and ethylene-vinyl acetate bond the sheets together.

In general, the more layers added to the product, the stronger the glass will become. Industry standards for glass thickness can range between 7 millimeters (mm) to 76 mm. The manufacturer determines the thickness based on the product specifications and glass applications. Normal bullet-resistant vehicles may have a glass thickness of about 10mm, while military vehicles could have glass as thick as 50 to 70 mm.

The goal of bullet-resistant glass construction is for the final product to have the clarity of standard glass with added protection against firearms. Bullet-resistant glass can also protect users from the impact of physical assault and sharp objects.

Test Standards

Manufacturers test bullet-resistant glass, or transparent armor, by firing a gun into its surface at a distance in a particular pattern. Various degrees of protection are assigned to the glass based on the material’s ability to stop the bullet at certain speeds. Users can measure the depth of the dent left on impact when the glass keeps the bullet from penetrating and relate it to the projectile’s velocity and the material’s thickness.

There are several systems for identifying levels of bullet resistance. Standards upheld by government institutions and other organizations include:

  • UL: Underwriters Laboratory (UL) designed a system that identifies eight types of bullet resistance based on the glass’ weight and its ability to withstand fire at certain velocities.
  • NIJ: The National Institute of Justice (NIJ) has a slightly different system for judging bullet resistance with ten levels.
  • State Department: The U.S. Department of State provides a bullet resistance classification based on specific firearms tested against the glass.

Types of Security Glass

Choosing the right security glass for your application ensures proper protection. There are several levels of protection offered by different types of safety glass.

Under UL standards, there are four primary categories of safety glass:

  • Level 1:This type of window glass offers some protection against handguns and is often used to deter petty crime in places such as convenience stores or gas stations.
  • Level 2: This safety glass can withstand fire from most handguns and help protect financial institutions from theft.
  • Level 3: Glass in this category increases protection and offers an excellent safety solution for schools and police stations.
  • Levels 4-8: Safety glass above a Level 4 is considered bulletproof. Window glass of this level or higher can withstand bullets from automatic weapons and assault rifles. It is often used in armored cars, government facilities and military bases for ultimate protection.
Certifications

Protection Level:
NIJ Level IIIA (44 MAG)
NIJ Level III (7.62 NATO)
NIJ Level IV (30-06 AP)

National Institute of Justice (NIJ) 0108.01 Ballistic Level Breakdown

Rating Ammunition Weight
(grains)
Weight
(grams)
Min/Max
(meters/sec)
Min/Max
(feet/sec)
Number of
Shots
Level I .22 long rifle high velocity lead 40 2.6 320 +/- 12 1050 +/- 40 5
Level I .38 special round nose lead 158 10.2 259 +/- 12 850 +/- 50 5
Level IIA .357 mag. jacketed soft poin 158 10.2 381 +/- 15 1250 +/- 50 5
Level IIA 9mm full metal jacket 124 8.0 322 +/- 12 1090 +/- 40 5
Level II .357 mag. jacketed soft poin 158 10.2 425 +/- 15 1395 +/- 40 5
Level II 9mm full metal jacket 124 8.0 358 +/- 12 1175 +/- 40 5
Level IIIA .44 mag. lead semi-wadcutter gas checked 240 15.55 426 +/- 15 1400 +/- 50 5
Level IIIA 9mm full metal jacket 124 8.0 426 +/- 15 1400 +/- 50 5
Level III 7.62mm (.308 Winchester) full metal jacket 150 9.7 838 +/- 15 2750 +/- 50 5
Level IV .30-06 armor piercing 166 10.8 868 +/- 15 2850 +/- 50 1

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The following items are some basic questions to ask when preparing your Defenshield order.

What is the nature of the threat – small arms, rifle rounds, armor piercing, IED blast?

Will the unit be used indoors or outdoors?

Will the unit be used for riot control or hostage negotiations?

Do you require conspicuous deterrence or camouflage?

Will the unit need to match the aesthetics of it’s surroundings – wood or stone finishes?

Will you need traffic control signage, unit logos or law enforcement badges displayed on the unit?

What is the size of the space where the unit will be used?

Will the unit need to fit through doorways, into elevators?

What are you protecting – people, objects?

(For maximum blast mitigation, units must be secured or lagged.)

What surface are you using the unit on – gravel, dirt road, finished concrete, wood floor?

Will the unit be frequently relocated?

Will you be transporting the unit over long distances or within a few feet?