MASTER-SPORT.de - GmbH Germany, Car parts, OEM&Aftermarket, High quality

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Brake pads are more than a panel with a fixed friction lining

Typically, those buying brake pads only look at the price of the product. After all, they are certain that the manufacturer of the pads has made all the checks, inspections and analyzes while adapting them to the model, and the price is only the result of the "manufacturer's brand." Well, wrong. Although you do "pay for the brand", it is worth remembering that, despite their trivial design, brake pads are a rather complicated product and require long-term R&D testing.

"Simple design" only applies to the metal panel on which the abrasive layer is fixed. After all, it merely needs to remain stiff, maintain its shape, provide good positioning/holding of the pad in the yoke and its freedom of movement. The secret of the "quality of brake pads" lies in the friction layer and its sound attachment to the panel.

While choosing the mixture in the friction layer, the manufacturer must accept five (often conflicting) aspects of lining

1. Quiet operation upon applying pressure at the disc/pad interface
2. Low emission of dust generated by the pad/disc friction
3. Small and even wear of the friction pad
4. Correctness of operation at different temperatures
5. Minimum final price


We should explain the essence of the axioms of "good brake pads" because the buyer usually remembers only the two extremes: quiet operation and the product price.

Quiet operation upon applying pressure at the disc/pad interface


Silent operation is only ensured by thorough laboratory tests. It is assumed that there are two options of pad design. The first involves the use of a "soft pad", which wears out quickly, but operates quietly as it absorbs vibrations. The other one is reversed and the "hard pads" wear out less, but the operation of the friction unit is louder. Manufacturers must find the golden mean between these requirements, and this can only be accomplished during lengthy laboratory tests. Not carrying out this work will always result in an issue.
One of such innovative technologies is the introduction - in all blocks offered by Master Sport - of the additional overlay between the pad and the cylinder. The overlay made of noise- and vibration-absorbing material prevents the pads from vibrating and reduces the overlap of vibration of the braking system components, perceived as a squeak when braking. This innovative Master-Sport solution is very simple, and does not increase the final price of the product.

Low emission of dust generated by the pad/disc friction


A large amount of dust resulting from disc/lining friction is a serious problem which the manufacturers must deal with. It is worth noting that studies carried out at Name of the University showed a significant emission of harmful substances near the school, where there were speed bumps (thus forcing braking of the vehicle). Although high-end manufacturers no longer add mercury, copper, cadmium, lead, chromium, brass or molybdenum in friction linings (prohibited by ECE R-90), these studies clearly showed such elements in the test site. It follows that while companies obtaining certificates from research centers and car manufacturers must comply with high standards (their products have a permanently stamped ECE R-90 symbol), the manufacturers of budget alternatives still go unpunished and distribute their products. Notably, the emission of dust is associated with the wear of the pad layer and the manufacturer must re-optimize the relationship between: a soft pad (higher emissions) and a hard one (lower emissions). So again - an important role is attributed to laboratory research, which many pseudo-manufacturers do not use (more on the laboratory work at Master Sport, see the text: Braking is not only discs and brake pads, or in the Master-Sport laboratory)

Small and even wear of the friction pad


Another factor that is taken into account by the manufacturer during the design stage is the wear of the friction linings which determines how quickly you need to buy a new set of pads. In this case, it is again necessary to reconcile the characteristics of a "soft pad", which fits closely to the disc and slows down the movement (but is quickly worn and emits dust) and "hard pad", which does not wear out so quickly, does not emit harmful particles from the lining, but quickly wears the brake disc, and the lack of vibration-absorbing from the disc results in louder work.

Correctness of operation at different temperatures


This is the most important factor distinguishing the professional manufacturers, who invest in research, from the "pseudo-manufacturers" focused only on profits garnered making cheap fakes.
After all, the development of special abrasive material in a laboratory is important, as is the manufacturing process, providing the braking performance at various temperatures. This is to eliminate the phenomenon of fading, or loss of braking force. Fading is produced by high temperature (when braking, the temperature on the pad/disc interface exceeds 500 degrees Celsius) as a result of gas generating from abrasive material due to physical change in the heated abrasive material. As a result, an "airbag" is formed at the disc/pad interface and (or) the structure of the material changes. This results in a decrease in the friction coefficient, hindering the effectiveness of the friction lining and proper deceleration of the vehicle. Reducing this adverse phenomenon is only possible through laboratory research on the selection of the proper ratio of ingredients in the linings, and the corresponding manufacture process (ensuring during the production stage that the temperature exceeds the operating temperature and the release of gases already during the manufacture of the product).
In laboratory studies of Master Sport, a special blend of abrasive layer was developed by adding bronze and ceramic components and using composite materials. This gives the Keramik pads - which use this technology - a greater resistance to the effects of high temperatures and allows them to reflect heat and cool down brakes faster.

Minimum final price


The most common way to get a lower final price is the procedure involving the use of lower quality abrasive materials, reducing (or often completely omitting) laboratory research, and simplifying the manufacture process to a minimum, and of course eliminating technological innovation as the most expensive investment in the process of product marketing. Only the best companies invest in the automation of manufacture processes in a way that allows reducing manufacture costs without affecting the product.
When the car is braking, kinetic energy is converted into thermal energy of the braking element, due to friction on the pad-disc interface. Hence, it is extremely important for the braking element to work properly with different vehicle weights (both vehicle with only a driver, but also with a full (...)
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Speaking of modern suspension, we usually think of rockers, shock absorbers and torsion rods, even though the suspension and anti-sway system of the car body is much more complex. One of the basic components of the suspension is ... the suspension spring. Theoretically, it is only a piece of wire t (...)
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Engine oil is an agent that is the real "engine bloodstream", and its parameters and physical properties determine the efficiency of the unit, fuel consumption and the time of correct operation. It is distributed along the so-called main oil line,which is a system of channels providing lubricant sup (...)
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Typically, those buying brake pads only look at the price of the product. After all, they are certain that the manufacturer of the pads has made all the checks, inspections and analyzes while adapting them to the model, and the price is only the result of the "manufacturer's brand." Well, wrong. Al (...)
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The fuel filter is to reduce the flow of contaminated fuel to the injection elements. It is particularly important for modern petrol injection systems, and common rail systems used in diesel engines, since in modern injection systems components fitting is in microns. Fuels are clean, so what's the (...)
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When designing the brake system designed to reduce speed/stop the vehicle, brake discs and brake pads are treated as one structural item. All calculations of the braking efficiency and changes in effectiveness resulting from the increase in the temperature of friction elements are calculated for a p (...)
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The oil in a combustion engine is to provide lubrication of moving points of contact, and its respective properties (defined by standards ASE, or API) allow choosing it depending on operating conditions. However, the oil is contaminated during operation, resulting from the mixing of unburned fuel pa (...)
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Master-Sport Engineers have drawn attention to the issue of stopping the car, depending on the technical condition of the car and the driver's predisposition. Theoretically, the braking distance (as referred to by car manufacturers refer and the journalists emulating them) is the path you will tra (...)
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– Master-Sport raising OE standards Master-Sport focuses on innovation in Poland Intellectual property is sometimes the best driver of competition between technology providers, and for the professionals involved in R&D, an opportunity for creative engagement in the field of improving the safety of (...)
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Shock absorbers are one of the most important, but also one of the least appreciated elements in the car. They are responsible for maintaining continuous wheel contact with the road and the driving comfort through appropriate suppression of vibrations transmitted to the body. What is the purpose of (...)
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* in advanced implementation phase