TL;DR: There is no single “best” bulletproof glass — the right choice depends on your threat level, whether the opening is interior or exterior, and your budget. For interior security counters, laminated polycarbonate (lightweight, no-spall) is usually best. For exterior, weather-exposed openings, glass-clad polycarbonate or all-glass laminate wins. All must meet UL 752 and sit in a bullet-resistant rated frame. Armortex manufactures all of these to UL 752 11th edition, Levels 1–10.
First, the Honest Answer: “Best” Depends on the Job
“Bulletproof glass” (industry term: bullet-resistant glazing) isn’t one product. It’s a family of transparent armor materials, each with trade-offs in weight, cost, durability, and where it can be used. The best material is the one matched to three things:
- Threat level→ which UL 752 level you need
- Location→ interior vs. exterior (weather and scratch exposure)
- Budget & lifecycle→ upfront cost vs. long-term maintenance
The Four Main Types Compared
| Material | Weight | Best Location | Strengths | Watch-outs |
| Laminated polycarbonate | Lightest | Interior | Light, easy to fabricate, excellent projectile containment, no-spall options | Scratches easily; not for unprotected exterior use |
| Acrylic (monolithic) | Light | Interior | Easy to fabricate, good clarity, lower cost option | Lower-level protection; interior only |
| Glass-clad polycarbonate (GCP) | Heavier | Exterior / high-security | Glass surface resists scratches & weather; polycarbonate core contains projectiles | Higher cost; more weight |
| All-glass laminate | Heaviest | Exterior | Top scratch resistance, UV/weather durability, long-term optical clarity | Heaviest; higher cost |
All four are rated to UL 752 and engineered to resist handgun, rifle, or shotgun threats depending on the level selected. Both glass and polycarbonate types must be installed in a bullet-resistant frame to form a complete rated system.
Best Bulletproof Glass by Scenario
- Bank teller / pharmacy counter (interior):Laminated polycarbonate — e.g., Armortex TP-series, no-spall.
- School security vestibule:Laminated polycarbonate at Levels 1–3 (the standard range for vestibules).
- Corrections facility barrier:Laminated polycarbonate for projectile containment.
- Government façade / courthouse exterior:Glass-clad polycarbonate or all-glass laminate, often at higher protection levels.
- Embassy / military installation exterior:Glass-clad polycarbonate for sustained protection with long service life.
- Budget-conscious interior service window:Bullet-resistant acrylic.
Verified Armortex Product Specs
These are real, published UL 752 11th-edition products, all no-spall:
| Product | Type | UL Level | Thickness | Weight |
| TP 100 | Laminated polycarbonate | 1 | 0.77″ | 4.8 lbs/ft² |
| TP 200 | Laminated polycarbonate | 2 | 1.00″ | 6.4 lbs/ft² |
| TP 300 | Laminated polycarbonate | 3 | 1.2″ | 7.7 lbs/ft² |
| TA 100 | Acrylic | 1 | 1.25″ | 7.6 lbs/ft² |
Match the UL 752 Level to the Threat
UL 752 rates materials across 10 levels by firearm type, caliber, and number of shots:
- Levels 1–3:Handgun threats (9mm, .357 Magnum, .44 Magnum)
- Levels 4–8:Rifle threats (.30-06 and higher)
- Levels 9–10:Specialized high-powered and fully automatic rifle threats
Note: NIJ standards apply mainly to military and federal law enforcement field use; UL 752 is the standard for commercial architectural applications.
Two Things People Get Wrong
- Forgetting the frame.Bullet resistance is asystem property. Even the best glazing fails its rating if the frame isn’t rated and coordinated with it.
- Confusing film with glazing.Ballistic film (3–8 mils) can reduce spall and slow forced entry butcannot stop bullets. Real bullet-resistant glazing is ¾″ to 4″ thick. If a UL 752 standard must be met, only certified glazing in a rated frame qualifies.
Also worth knowing: spall (fragments breaking off the protected face) is classified as no spall, low spall, or unclassified. No-spall is the highest designation and is preferred wherever people stand close to the glass.
Quick Decision Checklist
- Confirm the requiredUL 752 level for your assessed threat.
- Determineinterior or exterior — this drives glass vs. polycarbonate.
- Specifyno-spall for occupant-proximity applications.
- Confirm abullet-resistant rated frame is specified and coordinated.
- Checkthickness and weight against structural limits.
- Confirm matchingaccessories (speak-throughs, deal trays, package receivers) from the same manufacturer.
- VerifyUL Listed status, submittals, lead times, and warranty.
Bottom Line
The “best” bulletproof glass is the lightest, most cost-effective option that meets your required UL 752 level for your specific location. Interior counters lean polycarbonate or acrylic; exterior and high-security openings lean glass-clad polycarbonate or all-glass laminate — always in a rated frame, ideally no-spall.
About Armortex
Armortex is a single-source manufacturer of bullet-resistant glazing (laminated polycarbonate, glass-clad polycarbonate, acrylic), window frames (aluminum, hollow metal, stainless steel), doors, fiberglass wall panels, and transaction accessories. Products are tested to UL 752 11th edition, Levels 1–10, with over 40 years of experience under an ISO 9001 quality management system, serving schools, courthouses, police stations, corporate offices, military installations, and GSA projects.
Contact: Armortex — 5926 Corridor Parkway, Schertz, TX 78154 Phone: 1-800-880-8306 or 1-210-661-8306 Email: info@armortex.com Web: https://www.armortex.com/glazing/