Returnable Packaging

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Returnable Packaging Terminology - Materials

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In this post, you will find terms for commonly used materials in the returnable packaging world with links to more in-depth descriptions/explanations/examples.

Plastic Corrugated

Extruded polypropylene plastic corrugated sheets, also known as Coroplast, CorEx, H-Corr, and fluted plastic, are available in many thicknesses and colors. This material is great to use for packaging, printing, and many indoor/outdoor applications.


High-density polyethylene (HDPE) and Ultra-high molecular weight polyethylene (UHMW-PE) are strong, durable, lightweight, and chemically resistant materials popular for a variety of applications. Ex – cast iron, heavy metal, or sharp parts. Range from .062” to 1” thick in natural and black colors.


There are many types of laminates in the returnable packaging market. If you are packaging parts with Class-A surfaces or parts can’t have any scratching or marring, you will need laminate. Some of the most used laminates are Spun Bond, Tyvek, and Evolon. Some of the new laminates that hit the market recently are Suede Microfiber & Brushed Nylon.

Tri-Lam Sheets

An extruded three-layer polypropylene composite consisting of a central structure sheet sandwiched between two smooth outer sheets. This material has exceptional rigidity in all directions. Non-directional material works great for sleeve packs, heavy-duty dividers, and layer pads. Laminates can be integrated into this material to enhance part protection.

Polyurethane Foam

An open cell material that is primarily used to protect and support lightweight and delicate products with high fragility. This foam provides excellent cushioning and can be fabricated to meet any specifications. Convoluted cut foam is also available in many sizes.

Polyethylene (PE) Plank Foam

A closed cell material that is easy to fabricate and is both resilient and non-abrasive. PE Foam can provide excellent shock and vibration protection during the shipment of products.

Crosslinked Polyethylene (XLPE)

A closed cell foam is characterized by extremely small cells that give the material a smooth and soft feel and resistance to water. XLPE offers great durability and top-of-the-line Class A protection.


A durable substitute to plastisol dips. Almost no coating can compare to polyurea when it comes to attainable physical properties. Polyurea can be formulated to achieve a tremendous range of properties — from high elongation to superior tensile strength to hard or soft, all based on how the material is formulated and correctly applied.

Bag & Curtain Materials

Click above to see commonly used bag & curtain materials.


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