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Bullet Resistant Bank Teller WindowBullet Resistant Acrylic offers a lightweight, crystal clear, non-laminated alternative for your protective barrier designs. It’s half the weight of bullet-resistant glass of the same UL class rating and meets UL 752 Level I, II, and III requirements for use in bullet-resistant applications involving small firearms. It is also available with an abrasion-resistant coating and offers 40 times better abrasion resistance of uncoated acrylic. All levels meet Federal Specification L.P. 391D and ASTM D 4802. Despite all of the improvements in security technology, bullet-resistant barriers have been proven to be the only measure that deters crime before it happens. This is especially important considering there is approximately one convenience store robbery for every two convenience stores in the U.S. and that bank robberies have increased by 136 times in the past 50 years.
Bullet-resistant acrylic does not require laminating to have the same level of protection as polycarbonate. Without lamination, bullet-resistant acrylic plexiglass is half the weight of glass laminates with the same UL ratings and allows for better optical clarity. Acrylic is also more resistant to hazing, discoloration, and degradation from the sun for excellent light transmission.


Level 1

Level 2



.357 Magnum

Ammunition Full Metal

Copper Jacket, Lead Core

Full Metal Copper

Jacket, Lead Core

Jacketed Lead Soft


Weight (Grains / Grams)

124 / 8.0

158 / 10.2

Muzzle Energy

380 to 460 ft-lb.

548 to 663 ft-lb.

Min. Bullet Velocity

1,175 ft/sec.

1,250 ft/sec.

Max. Bullet Velocity

1,293 ft/sec.

1,375 ft/sec.

Area of Use



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ITAR Registered

Polycast BR, Plexiglas SB

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Technical Information



Physical PropertiesUnitsASTMResults
Nominal Thickness for data unless otherwise noted in 1.250”
Specific Gravity ASTM D-792 1.19
Mechanical PropertiesUnitsASTMResults
Tensile Strength, Maximum psi ASTM D-638 9,600
Tensile Modulus of Elasticity psi ASTM D-638 450,000
Flexural Modulus of Elasticity psi ASTM D-790 400,000
Optical PropertiesUnitsASTMResults
Refractive Index (ND @ 73°F) ASTM D-542 1.49
Luminous Transmittance % ASTM D-1003 90 min
Haze % ASTM D-1003 < 1.0
Yellowness Index Y ASTM E-313 < 0.7
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