Brake pads are an essential component of a vehicle's braking system, and they play a vital role in ensuring the safety of the driver and passengers. They are the replaceable friction pads that press against a vehicle's brake rotor or drum when the brake pedal is pressed, generating the necessary friction to slow or stop the vehicle.

In this guide, we will discuss the various parts that make up a brake pad and their functions.

Friction Material:

The friction material is the part of the brake pad that comes into contact with the rotor when the brakes are applied. It is made of a composite material that is designed to provide a high coefficient of friction and withstand high temperatures. The material used in brake pads varies depending on the type of vehicle and the desired performance characteristics.

Backing Plate:

The backing plate is the metal plate that supports the friction material. It provides a stable base for the friction material to be attached to and also helps dissipate heat generated during braking. The backing plate is typically made of steel and is designed to withstand the high stresses and temperatures generated during braking.

Wear Indicator:

The wear indicator is a small metal tab that is attached to the brake pad. When the brake pad wears down to a certain point, the wear indicator will come into contact with the rotor, producing a high-pitched squealing noise. This noise serves as an audible warning to the driver that the brake pads need to be replaced.

Adhesive:

The adhesive is used to bond the friction material to the backing plate. It is typically a high-temperature epoxy or phenolic resin that is designed to withstand the high stresses and temperatures generated during braking. The adhesive also helps to dampen vibration and noise generated during braking.

Shim:

The shim is a thin metal or rubber layer that is placed between the backing plate and the caliper. It helps to reduce noise and vibration by acting as a dampener between the two metal surfaces. Shims can also help to prevent brake squeal and improve braking performance.

Slots and Chamfers:

Slots and chamfers are small grooves or angles cut into the brake pad's surface. They help to improve braking performance by increasing the pad's surface area and allowing for better heat dissipation. Slots and chamfers also help to prevent the buildup of brake dust and reduce the likelihood of brake squeal.

Xinlida is your one-stop-shop for high-quality brake system parts. As a leading manufacturer, we are committed to providing you with reliable and durable calipers, pistons, shims, and more. Choose Xinlida for all your brake system needs.