what are pelican cases made of

3 min read 25-12-2024

Pelican cases are renowned for their exceptional durability and protective capabilities. But what makes them so tough? This comprehensive guide delves into the materials used in Pelican case construction, explaining their properties and why they contribute to the legendary resilience of these cases. We'll explore the polymers, foams, and other components that make Pelican cases the industry standard for protecting valuable equipment.

The Primary Material: High-Performance Polymers

The foundation of a Pelican case's strength lies in its high-performance polymer construction. Pelican primarily uses a proprietary blend of polymers, specifically polypropylene copolymer, which offers a unique combination of properties:

High Impact Resistance: Polypropylene copolymer is incredibly resistant to impacts and drops, minimizing the risk of damage to the contents.
Chemical Resistance: This material withstands exposure to a wide range of chemicals and solvents, protecting sensitive equipment from environmental hazards.
Water Resistance: Pelican cases are famously waterproof, and the polymer contributes significantly to this watertight seal.
UV Resistance: Prolonged sun exposure won't easily degrade the case. This makes it suitable for outdoor use.
Lightweight Yet Strong: The polymer offers excellent strength-to-weight ratio, making Pelican cases surprisingly light despite their robustness.

Pelican's specific formulation is a closely guarded secret, giving them a competitive edge in the market. However, the base material's inherent qualities are well-documented.

Variations in Polymer Blends

While polypropylene copolymer is the core material, Pelican may use variations in the blend for specific case models. These variations might alter the flexibility, impact resistance, or other properties to optimize the case for a particular application. For example, cases designed for extreme temperatures might incorporate polymers with enhanced temperature resistance.

Internal Protection: Pick and Plucking Foam

The interior of most Pelican cases features a layer of custom-fit foam. This foam comes in two main types:

Pick and Pluck Foam: This is the most common type. It's a dense foam with a grid-like structure that allows you to customize the interior to perfectly fit your equipment. You simply "pick and pluck" away sections of foam to create precisely sized compartments.
Pre-Cut Foam: Some Pelican cases come with pre-cut foam inserts, designed to hold specific pieces of equipment. This is a more convenient option if you know exactly what you're transporting.

Both types of foam offer excellent shock absorption, preventing impacts from damaging your equipment. The foam's density plays a crucial role in shock absorption.

Seals and Hardware: Ensuring Watertight Integrity

The watertight seal is a hallmark of Pelican cases. This is achieved through a combination of:

O-rings: Durable rubber O-rings are strategically placed around the case's lid and body to create an airtight and watertight seal.
Latches: Robust latches, often made of high-strength polymers or metals, secure the case firmly and contribute to the overall water resistance.
Pressure Equalization Valve: Many Pelican cases feature a pressure equalization valve that allows air pressure to equalize during changes in altitude. This prevents the case from imploding or exploding.

These components work in tandem to ensure the case remains waterproof and airtight even under extreme conditions. The quality of these components is crucial to the case's overall performance.

Other Components: Metals and Accessories

While polymers are the dominant materials, Pelican cases may incorporate other components:

Metal Hardware: Some hardware, such as hinges or latches, may be constructed of metal for enhanced strength and durability. Stainless steel is a common choice for its corrosion resistance.
Wheels and Handles: Larger Pelican cases often feature wheels and retractable handles for ease of transportation. These are usually made from durable materials such as reinforced polymers or aluminum.

These add-ons enhance functionality and usability without compromising the core strength and protective qualities.

Conclusion: A Blend of Engineering and Materials Science

The exceptional performance of Pelican cases is a testament to the careful selection and combination of materials. From the high-performance polypropylene copolymer to the carefully engineered seals and hardware, every component contributes to the case's legendary resilience. Understanding these materials helps appreciate the engineering behind these protective powerhouses. Whether protecting sensitive equipment or simply ensuring your belongings arrive safe and sound, a Pelican case offers unmatched peace of mind, thanks to its superior material construction.