INDUSTRY COMPONENT

Brake Pad (Friction Material)

Brake pads are friction materials that create stopping force by pressing against rotating brake discs or drums in automotive and industrial braking systems.

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Component Specifications

Definition
Brake pads are critical components in disc brake systems, consisting of a steel backing plate bonded to a friction material layer. They convert kinetic energy into thermal energy through friction when pressed against a rotating brake rotor, enabling vehicle deceleration and stopping. Their performance directly affects braking efficiency, noise levels, and rotor wear.
Working Principle
When hydraulic pressure from the brake pedal activates the caliper, pistons push the brake pads against both sides of the rotating brake rotor. The resulting friction generates heat and torque opposite to the wheel's rotation, converting kinetic energy into thermal energy dissipated through the rotor and pads, thereby slowing the vehicle.
Materials
Friction materials typically consist of: 1) Organic/non-asbestos organic (NAO): Rubber, glass, Kevlar fibers with resin binders. 2) Semi-metallic: 30-65% steel/iron fibers with graphite/organic fillers. 3) Low-metallic NAO: Small metal content with organic materials. 4) Ceramic: Copper fibers embedded in ceramic compounds. Backing plates are made of stamped or cast steel.
Technical Parameters
  • Thickness 8-15 mm (new), 2-3 mm (wear limit)
  • Shear Strength >10 MPa
  • Compressibility <2% at 70 bar
  • Friction Coefficient 0.35-0.45 (standard), 0.45-0.55 (performance)
  • Operating Temperature -40°C to 600°C
Standards
ISO 15484, DIN 74100, SAE J866, ECE R90

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Brake Pad (Friction Material).

brake pads friction materials disc brakes automotive braking brake components ceramic pads semi-metallic pads brake safety standards Brake Pad (Friction Material) Brake Pad (Friction Material) in Motor Vehicle Manufacturing

Parent Products

This component is used in the following industrial products

Brake Caliper/Pads

Hydraulic clamping device and friction material that converts kinetic energy to thermal energy to slow or stop vehicle motion.

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Engineering Analysis

Risks & Mitigation
  • Pad glazing from overheating
  • Uneven wear causing vibration
  • Contamination reducing friction
  • Noise generation (squealing)
  • Premature rotor wear
FMEA Triads
Trigger: Overheating from aggressive braking
Failure: Fade reduced braking efficiency
Mitigation: Use high-temperature rated pads; improve cooling
Trigger: Contamination by oil/brake fluid
Failure: Loss of friction material adhesion
Mitigation: Proper sealing during installation; regular inspection

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Thickness variation ±0.2mm, parallelness 0.05mm
Test Method
Dynamometer testing per ISO 15484 for friction performance, wear rate, and noise

Buyer Feedback

★★★★☆ 4.6 / 5.0 (31 reviews)

"Standard OEM quality for Motor Vehicle Manufacturing applications. The Brake Pad (Friction Material) arrived with full certification."

"Great transparency on the Brake Pad (Friction Material) components. Essential for our Motor Vehicle Manufacturing supply chain."

"The Brake Pad (Friction Material) we sourced perfectly fits our Motor Vehicle Manufacturing production line requirements."

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Frequently Asked Questions

How often should brake pads be replaced?

Typically every 40,000-70,000 miles, but depends on driving conditions, pad material, and vehicle type. Check when thickness reaches 3mm or as indicated by wear sensors.

What's the difference between ceramic and semi-metallic brake pads?

Ceramic pads offer quieter operation, less dust, and consistent performance but are costlier. Semi-metallic pads provide better heat dissipation and cold performance but may produce more noise and dust.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Brake Pad Brake Pad Backing Plate