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Copper Use Reporting Program Model Year 2003 Update PowerPoint PPT Presentation

Copper Use Reporting Program Model Year 2003 Update Mark Phipps Ph.D. Product Development Manager Federal-Mogul Friction Products Brake Pad Partnership Stakeholder Conference June 22 nd 2005 Purpose of the Report Track trends in the use of copper in OE automotive brake pads.

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Copper Use Reporting Program Model Year 2003 Update

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Copper use reporting program model year 2003 update l.jpg

Copper Use Reporting ProgramModel Year 2003 Update

Mark Phipps Ph.D.

Product Development Manager

Federal-Mogul Friction Products

Brake Pad Partnership

Stakeholder Conference

June 22nd 2005


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Purpose of the Report

  • Track trends in the use of copper in OE automotive brake pads.

    • Monitor the BMC/PEC* members voluntary commitment to reduce the use of copper in the event that it is determined to be a significant cause of water impairment.

  • Provide information for the fate and transport modeling studies

* BMC/PEC = Brake Manufacturers Council - Product Environmental Committee


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Data Strengths

  • Best Data Available

    • Data provided by the manufacturer (BMC/PEC members)

  • Coverage

    • Reliable information on approx. 40% of total car and truck sales in each model year

  • Trend Indicator

    • Indicates trends in the use of copper in brake pads


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Data Limitations

  • Coverage

    • ~60% of new cars sales not included

    • The data covers new cars and light trucks. It does not include usage in:

      • Aftermarket (replacement) brake pads

      • Motorcycles

      • Heavy duty trucks

      • Off-road vehicles

      • Rail cars

  • Results are not designed for total mass load calculations

    • Only one of the several inputs needed

    • Less than half of total new sales are included

    • Does not reflect regional variations in fleet mix

    • Regional driving patterns affect wear rates of brake linings


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Data Generation

  • Voluntary submission of copper content by BMC/PEC members

  • Proprietary information

  • Basis of “representative” wear debris sample

  • Vehicle selection (target is to sample ~40% of new car sales)

    • 1998 to 2001

      • Top 20 best selling vehicles.

  • 2002and2003

    • 20 of the top 25 best selling vehicles.

      (Actual Coverage: 1998 = 42.8%1999 = 41.0%2000 = 39.3%2001 = 39.7%2002 = 39.4%2003 = 42.1%)


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Copper Monitoring Results

  • Trend in OE automotive industry towards larger brake systems and larger pads compared to previous model.

  • Evidence of a slowing of the shift in material type from semi-metallic to NAO/Low Steel friction materials. (Semi-metallic generally do not contain copper; NAO and Low Steel usually contain copper or copper compounds.)


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