154 Boone Avenue, Gray, TN 37615, USA

larry@quadtapetransfer.com

larry@quadtapetransfer.com

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    • 3M Foam Flange Glue
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  • THE QUAD WORKSHOP
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  • More
    • Home
    • Services
    • Price List
    • Reel Size
    • Contact
    • Tape Problems
      • 3M Foam Flange Glue
      • 3M Case Seal Rot
      • Quad Tape Mold Issues
      • Other Quad Tape Problems
    • THE QUAD WORKSHOP
      • Quad Work Videos
      • Tape Preservation Work
      • Video Head Rebuilding
      • RCA TR-70-B Rebuild
      • IVC 9000 Maintenance
  • Home
  • Services
  • Price List
  • Reel Size
  • Contact
  • Tape Problems
    • 3M Foam Flange Glue
    • 3M Case Seal Rot
    • Quad Tape Mold Issues
    • Other Quad Tape Problems
  • THE QUAD WORKSHOP
    • Quad Work Videos
    • Tape Preservation Work
    • Video Head Rebuilding
    • RCA TR-70-B Rebuild
    • IVC 9000 Maintenance

Quad Tape Transfer

Quad Tape Transfer Quad Tape Transfer Quad Tape Transfer

2 Inch Quad Tape Transfer And Digitizing Services At AFFORDABLE prices

2 Inch Quad Tape Transfer And Digitizing Services At AFFORDABLE prices2 Inch Quad Tape Transfer And Digitizing Services At AFFORDABLE prices2 Inch Quad Tape Transfer And Digitizing Services At AFFORDABLE prices2 Inch Quad Tape Transfer And Digitizing Services At AFFORDABLE prices

3M Case Seal Foam Decomposition Issues

Top Lid Inner Seal

     Another area where foam rubber was used was in the inner lid seal of early Scotch 3M blue plastic video tape cases made for larger 12 1/2 inch reels. These cases were used quite a bit with the 379, 399, and 400 videotape series beginning in the mid1960s thru the early 1970s.
     This type of case was replaced with an updated blue case which used a round synthetic rubber O-ring inner lid seal.
     As can be observed in the photo gallery below, the foam rubber inner seal decomposes to a fragile state and small sticky granules migrate to the reel and tape when the case is opened and moved around.

Case Foam Photo Gallery

Scotch 3M Quadruplex Videotape Case w/Foam Rubber Inner Seal.
The early foam rubber inner seal dry-rots and breaks into bits and pieces.
A later type of foam inner seal decomposes into a tar-like sticky goo with small sticky particles.

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