A popular strap material is polypropylene webbing, otherwise known as polypro webbing. This light-weight strap material is more economical than nylon webbing, but can be used in many of the same webbing applications. Polypropylene webbing is strong – it has a tensile strength of 600 to 1000 pounds, depending on the width and the manufacturer. It's ideal for projects that require light weight webbing straps. Polypro webbing is flexible and water-proof.
Polypro webbing can be used for webbing projects such as life jackets, boat rigging, tent straps and tie downs, and more. It is also great for belts, luggage straps and light duty straps.
It comes in a wide variety of popular colors, including neon colors which are easy to see in low light.
Even though nylon webbing is stronger, polypropylene webbing has some advantages over nylon webbing. It is able to hold its shape because it is stretch resistant. Polypropylene webbing is water-proof, which makes it most useful for projects around water and humidity. It will not absorb water, and as a result it will float. Polypropylene strap is more resistant to acidic, alkaline, oil and grease than nylon webbing.
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