English
Arabic
Danish
French
German
Japanese
Korean
Norwegian
Portuguese
Russian
Spanish
When it comes to protecting valuable equipment during transport, storage, or rugged fieldwork, both rotomolded waterproof cases and hard plastic cases are popular solutions. However, they differ in design, performance, and application.
1. What Are Rotomolded Waterproof Cases and Hard Plastic Cases?
Created using a rotational molding process.
Feature thick, seamless, one-piece walls with reinforced corners.
Known for high durability and impact resistance.
Commonly used in military, outdoor, and extreme environmental conditions.
Made using injection molding or thermoforming.
Offer precise, uniform shapes with thinner walls.
Lightweight and cost-effective.
Used in general-purpose storage, consumer electronics, and light travel gear.
2. Comparison Table
| Feature | Rotomolded Waterproof Case | Hard Plastic Case |
|---|---|---|
| Material | Polyethylene (LLDPE) or similar | Polypropylene, ABS, or polycarbonate |
| Durability | Extremely rugged and long-lasting | Moderate; more prone to cracking |
| Waterproofing | High IP rating; fully waterproof | Water-resistant; may not be fully sealed |
| Impact Resistance | Excellent – designed to withstand drops | Good for light to moderate use |
| Weight | Heavier due to thick walls | Lightweight and easy to carry |
| Cost | Higher – premium build | More budget-friendly |
| Security | Lockable latches, military-grade seals | May offer locks, but often basic |
| Customization | Highly customizable (size, foam inserts) | Limited shapes and sizes |
| Use Case | Heavy-duty: military, hunting, drones | Light-duty: electronics, tools, travel |
3. Key Features
Rotomolded Waterproof Cases
Thick, one-piece walls for superior impact resistance
Waterproof seals with high IP ratings (IP67 or IP68)
Lockable heavy-duty latches for security
Stackable design for efficient storage
UV-, dust-, and chemical-resistant
Custom foam inserts and hardware mounting options
Designed for harsh environments: outdoors, military, industrial
Hard Plastic Cases
Lightweight and compact for portability
Easy to clean smooth surfaces
Transparent or colored lid options for visibility
Suitable for stacking and everyday handling
May include basic latch locks or clips
Ideal for electronics, tools, and light-duty applications
Budget-friendly for general consumer use
4. Which One Should You Choose?
Choose Rotomolded Waterproof Cases if you need:
Maximum protection in extreme conditions.
A fully waterproof, dustproof, crush-resistant container.
A solution for military, photography, or industrial use.
Choose Hard Plastic Cases if you need:
A lightweight, portable storage solution.
Cost-effective protection for light or moderate usage.
A case for home tools, electronics, or short-term travel.
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.