kanniuge 12 oz reusable heat blocking putty, 2 can solder heat insulation clay protect up to 3000°f with excellent thermal insulation, thermal absorbing putty for welding, brazing, plumbing & hvac is up for auction in Industrial & Scientific. The current bid is $1.00, 97% below the $36.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.