b4c bulletproof plate in Costa-Rica
Bulletproof Plate Packging: Product Introduction: Widely used in heavy armored protection in planes/vehicles/ships, and high-class physical protection. Specifications: B4C specifications Density 2.50-2.65 g/cm 3 Elastic modulus 510 Gpa Knoop Hardness 3300 Flexural strength 400-650 Mpa Compressive strength 4100 Mpa Fracture toughness 4.5-7.0 Mpa.