INDUSTRY COMPONENT

Brake Pads

Brake pads are friction materials that convert kinetic energy to thermal energy through friction against rotors to decelerate vehicles.

Component Specifications

Definition
Brake pads are critical safety components in disc brake systems, consisting of a steel backing plate bonded with friction material. They apply pressure against rotating brake rotors, creating friction that converts vehicle kinetic energy into heat, thereby slowing or stopping motion. Modern pads incorporate wear indicators, noise-reducing shims, and chamfers for optimal performance.
Working Principle
When hydraulic pressure from the master cylinder activates the brake caliper, the pads are pressed against both sides of the rotating brake rotor. The resulting friction generates heat, dissipating kinetic energy and reducing rotational speed through the coefficient of friction between pad material and rotor surface.
Materials
Composite friction materials typically containing: metallic fibers (steel, copper), ceramic compounds, organic resins (phenolic), graphite lubricants, aramid fibers, and filler materials. Backing plates are made from cold-rolled steel with anti-corrosion coatings.
Technical Parameters
  • Thickness 8-15 mm (new)
  • Wear Limit 2-3 mm remaining
  • Shear Strength >10 MPa
  • Compressibility <5%
  • Friction Coefficient 0.35-0.45 (μ)
  • 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 Pads.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Pad delamination from backing plate
  • Fade at high temperatures
  • Uneven wear leading to rotor damage
  • Noise and vibration issues
  • Reduced effectiveness when wet (water fade)
  • Pad material transfer to rotors causing judder
FMEA Triads
Trigger: Overheating due to aggressive braking
Failure: Friction material glazing and reduced stopping power
Mitigation: Use high-temperature rated pads, ensure proper cooling, and avoid continuous heavy braking
Trigger: Contamination from brake fluid or lubricants
Failure: Loss of friction coefficient and uneven braking
Mitigation: Proper handling during installation, clean work environment, and immediate replacement if contaminated
Trigger: Incorrect pad-bedding procedure
Failure: Uneven material transfer and vibration during braking
Mitigation: Follow manufacturer bedding procedures with progressive braking cycles

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.2 mm thickness variation, ±10% friction coefficient deviation from rated value
Test Method
Dynamometer testing per ISO 15484 for friction performance, wear rate, compressibility, shear strength, and noise characteristics

Buyer Feedback

★★★★☆ 4.8 / 5.0 (35 reviews)

"Standard OEM quality for Motor Vehicle Manufacturing applications. The Brake Pads arrived with full certification."

"Great transparency on the Brake Pads components. Essential for our Motor Vehicle Manufacturing supply chain."

"The Brake Pads 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 depending on driving conditions, material type, and vehicle usage. Always follow manufacturer recommendations and inspect pads regularly.

What are the main types of brake pad materials?

Three primary types: 1) Organic/non-asbestos organic (NAO) - quiet with moderate wear; 2) Semi-metallic - durable with good heat dissipation; 3) Ceramic - low dust, stable performance, and longer lifespan.

What causes brake squealing?

Common causes include: vibration between pad and caliper, glazed pads/rotors, worn shims or anti-rattle clips, high-frequency vibration from pad material composition, or contamination on friction surfaces.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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