Silicon carbide ceramics (SiC) have become one of the core special materials in the field of modern protection due to their high hardness, strength, lightweight, impact resistance, and excellent thermal stability. Compared to alumina ceramics, boron carbide ceramics, and traditional metal armor, silicon carbide ceramics have a higher cost performance ratio, with protective performance similar to boron carbide ceramics, but with a cost reduction of more than 50%. At the same time, they have bette
Silicon carbide ceramics (SiC) have become one of the core special materials in the field of modern protection due to their high hardness, strength, lightweight, impact resistance, and excellent thermal stability. Compared to alumina ceramics, boron carbide ceramics, and traditional metal armor, silicon carbide ceramics have a higher cost performance ratio, with protective performance similar to boron carbide ceramics, but with a cost reduction of more than 50%. At the same time, they have better impact resistance and multi hit resistance than alumina ceramics, making them suitable for mass application; Secondly, the lightweight effect of silicon carbide ceramics is significant, with a weight of only 1/3-1/2 of metal armor, greatly improving the mobility of individual soldiers and equipment.
1、 Specific applications of silicon carbide bulletproof ceramics
1. Individual protection (primary application)
A bulletproof insert made of silicon carbide bulletproof ceramics, embedded in soft bulletproof vests, can block 7.62 steel core bullets and. 30-06 armor piercing bullets; Compared to aluminum oxide inserts, it reduces weight by about 20%, is more cost-effective than boron carbide, and has better resistance to hot and humid environments. It is widely used as an inner lining for military and police bulletproof vests and tactical helmets.
2. Vehicle mounted armor protection
Military vehicles: armored vehicles, lightning protection vehicle side decks, chassis additional armor, tank side skirts, replacing heavy steel plates, reducing weight by 35% to 50% with equivalent protection, and resisting 12.7mm and 14.5mm armor piercing shells and explosive fragments;
Special civilian vehicles: doors and cabin protection modules for cash transport vehicles, anti-terrorism special police vehicles, and high-end security vehicles.
3. Aviation and Ship Protection
Helicopter cabin floor, pilot protective vest, fighter equipment cabin protective plate; The key compartments and lightweight composite armor on the side of the ship are suitable for harsh working conditions such as high humidity, high and low temperatures in air and sea (silicon carbide resistant to high temperatures of 1600 ℃ and salt spray corrosion).
4. Fixed security works
The embassy, treasury, and command shelter use hexagonal spliced silicon carbide armor blocks, combined with concrete to construct explosion-proof and bulletproof walls; Also used for concealed protective door panels in key facilities.
Material advantage
2、 Technical specifications and parameters table of silicon carbide bulletproof ceramics
Specification Model | STG-P1 | STG-T3 | STG-C1 | |
texture of material | silicon carbide | silicon carbide | silicon carbide | |
SiC | SiC | SiC | ||
Density | 3.12-3.16 | 3.14-3.17 | 2.8-3.0 | |
bending strength | ≥350 | ≥300 | ≥150 | |
Modulus of elasticity | ≥415 | *** | *** | |
Rockwell hardness | ≥90 | ≥91 | *** | |
fracture toughness | ≥4 | *** | *** | |
Main specifications | planar dimensions | <100x100mm | >100x100mm | >300x300mm |
thickness dimension | 3-50mm | 3-60mm | 3-50mm | |
Product Features | High purity, uniform and dense | High resilience Strong protection stability | Strong high-temperature bearing capacity Excellent thermal shock resistance | |
main purpose | Wear resistant structural components, seals, and human protection | Vehicle protection | Firing plate | |

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