A rotomolded case is created through a rotational molding process where polyethylene resin is heated inside a rotating mold. This technique ensures:
Uniform wall thickness
No seams or weak points
Increased structural integrity
Key Features Explained in Detail
1. Extreme Durability
Thicker corners and edges make them resistant to drops, crushing, and rough handling.
They maintain shape and protection even under intense pressure or impact — ideal for military, industrial, or aerospace use.
2. Superior Weather Resistance
Most rotomolded cases are IP-rated (e.g., IP67), offering:
Protection from dust and dirt
Temporary submersion in water
This makes them perfect for outdoor use, marine environments, and storm-prone regions.
3. Thermal Resistance
Excellent UV resistance, preventing material degradation.
Can handle extreme temperature ranges, making them usable in arctic or desert conditions.
4. Custom Foam Interiors
Internal cut-to-fit foam prevents movement and absorbs shocks.
Ideal for carrying:
Firearms
Cameras
Drones
Medical devices
Surveying equipment
5. Stackability and Transport Ease
Molded ridges and grooves for secure stacking.
Some models include wheels and pull handles for easy portability during field work or air travel.
Advantages of Rotomolded Cases
Feature | Benefit |
---|---|
Extreme Durability | Built with seamless, thick-walled polyethylene using rotational molding — highly impact-resistant and rugged. |
Waterproof & Dustproof | Usually rated IP67 or higher, protecting contents from rain, splashes, dust, and immersion. |
Shock & Vibration Resistance | Internal cushioning and structural strength absorb shocks from drops, vibration, or rough handling. |
Customizability | Can be tailored with foam inserts, compartments, and colors to match equipment size and branding. |
Long-Term Use | Withstand years of field use, making them ideal for military, aerospace, industrial, and outdoor professionals. |
Stackable Design | Most are molded with interlocking patterns for stable, compact stacking during storage or transport. |
Application-Specific Value
Industry | Use Case | Why Rotomolded? |
---|---|---|
Military | Weapons, comms gear | Rugged, secure, meets MIL-SPEC standards |
Photography/AV | Cameras, lighting kits | Prevents lens damage and electronic failures |
Medical | Field kits, instruments | Keeps sterile and shock-protected |
Outdoor/Expedition | GPS, tools, drones | Weatherproof and crushproof |
Oil & Gas/Utility | Instruments, repair tools | Tough enough for remote, hazardous environments |
Cost vs. Value
While more expensive upfront than injection-molded or soft cases, rotomolded cases:
Reduce equipment replacement costs
Require minimal maintenance
Offer long-term durability (often lasting decades)
This makes the total cost of ownership lower over time.
Final Verdict
If you regularly deal with harsh environments, high-value gear, or frequent travel, a rotomolded case is a smart, long-term investment. The cost is justified by the superior protection and lifespan.
KASSICO, a leading custom case factory in Ningbo, China since 2001, we specialize in manufacturing custom plastic case, aluminum storage boxes, aluminum tool box, coolers for daily organization, outdoors, camping, overlanding, military, medical etc. We supply full custom service, including developing OEM & ODM projects. Our company owns 15000m2 factory area and more than 200 sets of advanced manufacturing equipments. Perfect and rigorous QC system is implemented in every process from material purchasing to finished products packaging.