STANAG 4569 Level 3 Bulletproof Glass
Meeting STANAG 4569 Level 3 protection requirements, it is designed for high-penetration threats from 7.62mm machine guns and sniper rifles (tungsten carbide core AP ammunition) and is a high-end military protective product. Suitable for observation windows of main battle tanks, main windows of special combat vehicles, transparent protection of military airport control towers, and protective windows of strategic facilities (such as missile silo control rooms), it can resist precision sniper fire and medium-range artillery fragment threats.
Key Performance and Technical Parameters
Protection Capability
Effectively resists 7.62×51mm AP (WC core) ammunition (e.g., M993, projectile weight 8.4g, velocity 930±20 m/s) and 7.62×54R B32 API ammunition (velocity 854±20 m/s), covering all Level 1-2 threats; can protect against fragments of 155mm artillery shells (estimated burst distance 60m), meeting AEP-55's protection requirements for localized weak areas (LWA).
Ballistic Test Compliance
Test distance 30m, elevation 0-30°, the 500×500mm sample undergoes 3 valid hit tests without CP; structural weak areas undergo single-hit tests without penetration; optional 20mm FSP test for Level 3 shows no penetration, meeting NATO Expected Protection Capability (EPC) requirement.
Core Advantages
Adopts a "multi-layer high-hardness inorganic glass + special PC + high-performance PU hot-melt adhesive" structure, with kinetic energy absorption capacity 30% higher than traditional products; independently developed multi-curved one-time forming technology reduces interlayer stress, avoiding delamination under multi-hit impacts; can resist 100℃ 144h high-temperature aging and -55℃ extreme low-temperature freezing tests, with no performance attenuation.
Process and Adaptation Advantages
Relying on 2000×3000mm long-axis CNC processing equipment, it realizes large-size multi-curved forming with a maximum size of 2.35㎡ (e.g., 2226×1356mm), with a processing error < 1mm, adapting to the front windshield of large armored vehicles; adopts a strict quality control process, and each product undergoes 12 inspection procedures; installation uses high-strength fixing components, which can resist impact vibration caused by artillery explosions, ensuring long-term use reliability.
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