Before you do car bumper repair in Australia, it is important to understand the material that the bumper is made from so that you can come up with the best ways to repair the bumper. Modern bumpers are made of a combination of different materials. Bumpers should have an impact absorbing device to allow bumpers to absorb impacts in case of a collision.
Steel or aluminum part
After the springy part that is meant to absorb impact, the next part of a bumper is the aluminum or the steel support structure. This is a lateral beam. On top of this, there is an egg-crate shaped piece of plastic made of HDPE. This part defines the external shape of the bumper and supports the cover.
Urethane or flexible polyethylene
This is the outside cover of the bumper that gives it a finished appearance. When you take your car to a car bumper repair near you in Australia to repair scratches, this is the part that is usually repaired. These are either flat black or charcoal black. They can also be painted to match the finish of the car. They are designed to be resistant to impact and can take a hit with no or little damage.
Metal bumpers
Metal transfers the applied load at one end to the other of the car with negligible loss. This means that metals aren’t optimum materials for making bumpers.
Plastic
Plastic bumpers tend to absorb load and minimize the effect of the impact. Rubbers also tendto absorb impact.
The design of the bumper
Before you do any car bumper repair, you should understand the design of your bumper. Bumpers are big so they are processed by different techniques like blow moulding, injection moulding and roto-moulding. Plastics are a suitable material of choice considering the above bumper processing techniques.