What is CABOSIL ??

[Verne Koester]

Cabosil is fumed silica sand. It's extremely light weight. When mixed with epoxy finishing resin, it creates a paste that won't run on vertical surfaces. It's also frequently mixed with epoxy in a thinner mix and brushed into a mold to create the external gel coat on a glass part which prevents pinholes from making it to the surface of a part. On a clear epoxy-cloth piece, the epoxy/cabosil mix can be seen in all the 90-degree corners to bridge the radius the cloth can't make. It'll show as an opaque white as opposed to the clear epoxy/cloth you see everywhere else. Down side is that it's much tougher to sand than micro-balloons and has virtually no structural strength. Good stuff to have around, though. I use it a lot.

Verne


  ----- Original Message ----- 
  From: Van - E-Mail LIST 
  To: Pattern LIST 
  Sent: Thursday, September 05, 2002 8:32 PM
  Subject: What is CABOSIL ??


  Don't think I know what this is ?
  ________________________________________________

  Van Flowers
  AMA: 6216 IMAC: 2229 
  IMAA: 26019 NSRCA: 2778
  www.rc-aerobatics.com




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