EPP foam for helmet

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EPP foam for helmet

Most helmets today have liners made of EPS (Expanded Polystyrene), a great shock absorbing material, but it will be permanently compressed when absorbing an impact, even a minor one. Using multi-impact EPP (Expanded Polypropylene) as core material creates a helmet that will protect your head over and over again. To date, both traditional hard shell and in-mold helmets have relied on Expanded Polystyrene (EPS) for shock absorption. EPS absorbs energy by plastic deformation on impact and results in permanent deformation. As a consequence, a helmet liner made of EPS will not be as good absorbing repetitive impacts. It would be a trend that most bike helmets will use a liner of Expanded Polypropylene (EPP) instead of the traditional EPS. The difference between the materials is that EPP does not deform permanently, which means it’s suitable for absorbing repetitive impacts.

Our factory makes molded EPP foam moulding liners and pads for many kinds of helmets in density ranges from 60g/L to 120g/L. We also make molded EPP foam protective gear in the impact absorption goods industry. There are many good advantages and properties we can obtain from EPP material while could not get from other materials.
EPP helmet liner advantages:
~Nontoxic, non-caustic, no peculiar smell, environmental-friendly, 100% recyclable
EPP does not contain hydrocarbon, volatile organic components or other elements which are classified as being very harmful to the environment. And EPP is Free of heavy metal, EPP is totally nontoxic so that it can be used without extra considerations.
~Durable and lightweight
In the leisure and sports sectors, products made of EPP benefit from the combination of light weight and durability. In addition to these properties, this special foam lends itself quite well to the realm of sports, thanks to its high resilience and elasticity.
~Multifunctional and flexible in formability
EPP can be molded into different kinds of shapes and forms which made it very flexible in design.
~Impact energy absorption
An important safety benefit of EPP is its ability to withstand repeated impact without significant deformation and to return to their original shape following dynamic stress. EPP manages impact energy by absorbing it, then returning to shape. It is ideal for multiple impact protection applications. Using multi-impact EPP (Expanded Polypropylene) as core material creates a helmet that will protect your head over and over again.

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