Diamond Shield

Technical Parameter 1. Quality: Above: ≥3.65 kg, below: ≥5.59 KG2. DIMENSION: Above: 1000.0 × 576.0(mm) below: 1600.0 × 576.0(MM)3. Transmittance: 88.0% 4. Impact Strength: Using the hammer with diameter of φ45 mm and weight of 7.5 kg, the Shield is impacted twice with 147J Energy, and the shield has no perforation and no rupture. 5. Puncture Resistance: The Shield was impacted twice with 147 J energy by a hemispherical head hammer with diameter of φ45 mm and weight of 7.5 kg. The penetration diameters of the shield were 3.6 mm and 3.1 mm respectively. 6. Adaptability of climate and environment: 1 after putting the sample of Rhombic composite anti-riot shield into the constant temperature box with the temperature of + 55 °C ± 2 °C for 4 hours, the shield was hit twice with linear velocity of 18 m/s ± 0.3 m/s and energy of 342 j ± 12 j, the shield was not broken and had no crack. 2 The rhomboid composite anti-riot shield sample was put into the incubator at-30 °C ± 2 °C for 4 hours, then the shield was hit twice with linear velocity of 18 m/s ± 0.3 m/s and energy of 342 j ± 12 J. The shield was not broken and had no crack. 7. Flame retardancy: The external surface of the sample was tested by bunsen burner, the flame was sprayed for 10S, and the combustion time was 2.0S. Implementation Criteria: GA422-2008 Riot Shield and GA294-2012 riot helmet for police

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