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Survey of chemical substances in headphones and hearing protection aids

Contents

Preface

1 Summary

2 Sammenfatning

3 Introduction

4 Description of the product groups

• 4.1 Headphones
• 4.2 Hearing protection aids
• 4.3 Legislation within the area

5 Survey of the market for headphones

• 5.1 The market for headphones
  • 5.1.1 Statistics Denmark
  • 5.1.2 Danish Trade Organisation for Consumer Electronics
  • 5.1.3 Elretur
  • 5.1.4 Total estimate of the market of headphones
• 5.2 Identification of producers of headphones
• 5.3 Information from producers

6 Survey of the market for hearing protection aids

• 6.1 Statistical information
• 6.2 Identification of producers of hearing protection aids

7 Materials in headphones and hearing protection aids

• 7.1 Materials in headphones
  • 7.1.1 Materials, found via Internet searches
  • 7.1.2 Information from producers
• 7.2 Materials in hearing protection aids
  • 7.2.1 Materials, found through Internet searches
  • 7.2.2 Producer information
• 7.3 Summary – survey of materials

8 Analysis of selected products

• 8.1 Purchase strategy
• 8.2 Analysis results
  • 8.2.1 Analysis method
  • 8.2.2 Analysis results
• 8.3 Analysis of materials in a headset
  • 8.3.1 Assessment of the analysis results
  • 8.3.2 Comment to analysis results and assessment

9 Material descriptions

• 9.1 PVC (polyvinyl chloride)
• 9.2 PUR (polyurethane)
• 9.3 Artificial leather
  • 9.3.1 Artificial leather with PVC
  • 9.3.2 Artificial leather with PUR
  • 9.3.3 Other types of artificial leather
• 9.4 Silicone
• 9.5 Textiles
• 9.6 ABS
• 9.7 Rubber and thermoplastic elastomers

10 General assessment of possible risks by use of headphones and hearing protection aids

11 Proposal for analysis and assessment programme

• 11.1 Selection of products
• 11.2 Migration of substances with artificial sweat
• 11.3 Analyses of constituents
• 11.4 Health assessment

12 References

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Version 1.0 April 2008, © Danish Environmental Protection Agency