Resources

User Groups and Professional Organizations

• ISO Online
• Society of Manufacturing Engineers
• Society of Plastics Engineers

Publications

• TenLinks.com
• CAD Digest
• CAD Report
• MCAD Cafe
• Penton Publishing
• Machine Design

Government

• American National Standards Institute (ANSI)
• NASA Technology Portal
• National Institute of Standards and Technology (United States)
• US Patent and Trademark Office

References

• Bayer AG Home Page
• Engineering.com
• DuPont engineering Polymers
• GE Plastics - Bangalore India 
• Matweb.com
• Product Data Management Information Center
• Plastics Resource-Information on Plastics and the Environment
• Plastics.com
• RXN Mechanical Design Resources Page
• State University of New York "Materials Science and Engineering Page"
• Unit Conversions Page
• Engineering Fundamentals