It is important to understand the materials used in manufacturing bollards when you decide to buy it for your facility, it also needs to meet the type of application. That way it can meet your requirements the best.
Concrete Bollards: They are usually installed as aesthetic bollards and are not usually suitable for higher security applications. This is because concrete can be dangerous when struck with a powerful impact, causing debris.
Metal Bollards: Made of a variety of metals like aluminium, stainless steel, ductile iron and structural grade steel, metal bollards range from aesthetic installations to high-security bollards. Structural grade steel bollards provide outstanding impact resistance.
Other Materials: Another most common materials used to build bollards is polyurethane, and are both flexible and durable and help in slowing down passing vehicles or just to streamline traffic.