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Brake Pads

All ABTEX PLUS brake pads comply with UN ECE R90:02 regulations (R90). In addition ABTEX PLUS pads have the added benefit of anti-noise accessories as standard. This means that while meeting all the performance parameters necessary to achieve the European E-Mark, ABTEX PLUS pads are equipped to combat the possible unwelcome noises which can emanate from some vehicle braking systems.

When any braking system is operated, vibrations occur. However, should theses vibrations match the resonant frequency of another component of the system a magnification of the level of vibration results. If the sound level of this process exceeds about 60 decibels the resultant noise can be heard, at the low end of the scales as ”groan” and the high end as “squeal”.


Although the origin of all brake noise is at the interface of the pad and the disc during braking, the point at which this noise is ‘released’ is invariably between the backing plate of the pad and the calliper. Hence it is in this area that most anti-noise research has been concentrated, though centrally slotted and/or chamfered friction material also assists in noise dissipation.

Both Original Equipment and Aftermarket brake manufacturers have concluded that the most effective method of reducing the problem of brake noise is the use of a rubber coated metal shim affixed to the backing plate of the brake pad. Independent tests have shown such a combination to be significantly more successful than the, much cheaper but often-used, method of painting the pad backing plate with rubberised or “gel-like” materials. The effectiveness of these materials is reduced or often eliminated during the first session of heavy-braking.

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Brake Discs

ABTEX brake discs are manufactured using the latest technology and are designed to match the OEM version in terms of dimensions and performance.

 

Where required these parts comply with ECE R90:02 regulations (R90). R90 testing schedules include: performance, dynamic friction comparisons, high load integrity and thermal fatigue analysis. This extensive range of tests ensures the very best performance while giving excellent value.

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Brake Calipers

ABTEX brake calipers are 100% new units. Supplying new units means there is no need to handle and process old core units which can reduce profitability due to rejections, paperwork and time spent on recovery.

Manufactured to IATF 16949:2016. The primary focus of this standard is the development of a quality management system specifically for the automotive industry, that provides for continual improvement, emphasizing defect prevention.

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Wear Indicators

ABTEX brake wear indicators are a safety feature to warn the driver if the brake pad is due for replacement or has reached its minimum thickness limit, which is usually 2mm. The wear indicator may be electronic or acoustic, depending on the brake system. Acoustic wear indicators are attached to the brake pad. Some electronic ones are also bonded to the friction material.

However many applications use a seperate wear lead that is fitted to the back plate.

 

The electronic wear lead wire, which comes in contact with the brake disc after wear will form an electrical circuit which will transmit a signal to the control unit and display a warning light on the dashboard.

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Brake Shoes

In drum braking systems, brake shoes play a similar role to that of pads in disc versions. These shoes have a curved steel surface, one side of which is lined with an abrasive material. This material creates the friction that your wheels need to stop.

Brake shoes used to be fitted on both axles of cars. However most modern cars now use disc brakes on both axles. However some smaller urban vehicles and commercial vehicles still have them fitted to the rear axle.

 
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Wheel Cylinders

Wheel cylinders form an important part of what stops your car when you press on the brakes. The wheel cylinder exerts force onto the brake shoes, pushing them into the drum and creating the friction to stop your car. When you press on the brake pedal, this generates hydraulic pressure, which acts on the pistons and then exerts mechanical pressure on the brake shoes.

 

ABTEX wheel cylinders are approved to:

ISO9001:2015, IATF16949:2016, ISO14001:2015 and ISO45001:2018.

 

The units are low pressure tested to ensure seal quality. Dust caps and seals are manufactured from age-resistant EPDM material and housings and pistons are anodized to provide corrosion and wear resistant surfaces with all units made in the EU.

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Brake Hoses

Brake Hoses are a safety critical item on all vehicles. Operating under extreme stress whenever the brakes are used, they need to be checked regularly, as any faults will lead to a loss of brake fluid. This will mean a drop in pressure, which can lead to catastrophic brake failure.

ABTEX brake hoses are tested to SAEJ1401 requirements, burst tests and  volumetric expansion tests.

 

All assemblies are pressure tested 3000-3600psi and approved to both ISO9001:2015 and ISO14001:2015. The testing is carried out from raw materials through to the final product and all units are made in the UK.

Coming Soon!

 
 

Brake Cables

A parking brake cable is a component of the handbrake.

 

The parking brake, also called a hand-brake, is designed to prevent a vehicle that has come to a stop or has been parked from rolling away. When the mechanical handbrake is actuated by pulling on the handbrake lever, brake force is transferred via cables to the wheel brakes of the rear axle.

 

Hand-brake cables are subjected to the following influences or loads

 

Mechanical stress caused by tensile force generated during actuation or movement in the axles or suspension of the vehicle.

 

Weather influences: Heat, cold, or ozone.

 

External influences: Water, grit, and oil.

 

As a result of these influences, brake cables need exceptional tensile strength, robust sleeves, high-quality connecting elements, and high fatigue strength. A defective hand-brake cable is only noticeable when the parking brake fails.

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