Suitcase-style cases protect against impact, dust, and liquids through a combination of design features and materials.
For impact protection, these cases are typically constructed from durable materials like polycarbonate, ABS plastic, or aluminum, which absorb and distribute shock. The corners and edges are often reinforced, as these areas are most susceptible to damage. Some cases include internal padding or foam inserts that cradle the contents, providing an additional layer of cushioning against drops or knocks.
To guard against dust, suitcase-style cases often feature tight-fitting seals and gaskets around the edges. These seals prevent dust particles from entering the case, keeping the contents clean and free from contamination. The latches and hinges are designed to close securely, ensuring that the case remains airtight.
For liquid protection, many cases are equipped with rubber or silicone gaskets that create a watertight seal when the case is closed. This prevents water from seeping in, even if the case is briefly submerged. Some cases are rated with an IP (Ingress Protection) code, indicating their level of resistance to water and dust. A higher IP rating signifies better protection.
Additionally, the exterior surfaces of these cases are often treated with water-repellent coatings, causing liquids to bead and roll off rather than soak in. Drainage channels may also be incorporated to direct water away from critical areas like latches and hinges.
Overall, the combination of robust materials, reinforced structures, and precise sealing mechanisms ensures that suitcase-style cases provide comprehensive protection against impact, dust, and liquids.