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Semi-metallic, low-metallic, and ceramic formula Brake Pads, which is better

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brake pads

Brake pads are familiar to everyone. In case of being almost worn, they shall be replaced; otherwise, the potential safety hazards are very great. In the braking system of vehicles, brake pads are the most critical safety parts, playing a decisive role in all braking effects, so good brake pads are the protectors of both people and vehicles.

Then some people may be in doubt: What kind of brake pads is good? Many vehicle owners may give different answers, which is mainly due to different kinds of formulas used in the brake pads provided by the original manufacturer.

The brake pads are in the following three formulas: semi-metallic formula, low-metallic formula and ceramic formula.

Semi-metallic formula for European and American performance vehicles.

low-metallic brake disc pads

Low-metallic brake pads are also mainly made of steel wool as the main friction material, mixed with more carbon and graphite, as well as ceramic fibers. That is, it focuses more on the comfort of brake pads based on semi-metallic formula, but it is almost difficult to distinguish them from traditional semi-metallic brake pads in appearance. It solves the problem that the original semi-metallic brake pads prefer “damage to brake disc”, so European comfort cars prefer brake pads in low-metallic formula.

However, the disadvantages of low-metallic brake pads are also very obvious. The problem of abnormal resonance caused by metal matrix cannot be completely removed, and the thermal stability type is not as good as that of semi-metallic one.

Ceramic formula for Japanese and Korean vehicle owners

Best ceramic brake pad

It aims to remedy the defect of heavy wear of steel fiber. The fibers used in ceramic brake pads include plant fiber, aramid fiber, glass fiber, ceramic fiber, carbon fiber, mineral fiber and so on.

The main advantages of ceramic brake pads are reducing wear, reducing noise and prolonging the service life of brake discs, which are favored by Japanese and Korean vehicle manufacturers.

However, ceramic brake pads tend to be comfortable. When braking, they give the vehicle owner the misconception of being too soft to stop.

Moreover, this kind of brake pad is free from metal, so it is more likely to encounter fakes when auto parts are purchased by itself.

Brake pads are generally composed of steel sheets, adhesive layers, heat insulation layers, friction materials, and (mufflers).

The steel sheets shall be coated to prevent rust. SMT-4 furnace tracker is used to detect the temperature distribution in the coating process to ensure the quality.

Among them, the heat insulation layer is composed of adiabatic materials, so as to insulate heat.

When braking, friction materials are squeezed on the brake disc or brake drum to generate friction, thus realizing vehicle deceleration and braking.

Brake-pad-set-prepared-for-wear-indicator-auto-parts-isolated

Next, according to different friction materials, brake pads are divided into:

Metallic brake pads and carbon ceramic brake pads

Among them, metallic brake pads are divided into less-metallic brake pads and semi-metallic brake pads, ceramic brake pads belong to less-metallic brake pads, and carbon ceramic brake pads are used with carbon ceramic brake discs.

Finally, the brake coefficient and grade of brake pads shall be known:

change brake pads

Friction coefficient: a parameter indicating the friction efficiency of brake pads. The friction coefficient probably means how “sticky” the brake pad is.

The more sticky the brake pad, the greater the resistance and the more sensitive the brake.

However, the worse the comfort and heat resistance, it works when you step lightly, and it is damaged when you step hard. High-temperature brake pad means that the brake coefficient can be maintained at a higher temperature, but the friction coefficient is not necessarily large.

brake discs

 

The grade of the brake pad is expressed by two English letters. First, measure the friction coefficient at 4 points between 0 and 600 (315.5℃) (Fahrenheit degree).

If all are between 0.35 and 0.45, the low-temperature grade of the brake pad is F. Then, measure the friction coefficient at 10 points between 600 and 1,112 (600℃) (Fahrenheit degree).

If all are between 0.35 and 0.45, the high-temperature grade is also F.

Before selection and purchase, please be sure to verify the model, displacement and other information of your car, so as to ensure that you can buy correct accessories.

Select superior brake pads because inferior brake pads will wear the brake discs when braking for too hard or too soft materials, generate large braking noise, and fail to provide the best braking force for vehicles (the most important one).

During continuous braking or high-speed emergency braking, the decline of braking force is serious, and the material on the surface will fall off, prolong the braking distance, and may even cause braking failure.

Therefore, for the happiness and safety of you and your family, please select and purchase the brake pads with good quality from trustworthy manufacturers.

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