Thursday, May 19, 2022

Cast pouring and Preparation


Hello Listserve!

We have been having a problem with mold preparation prior to pouring plaster. We currently use a casting tape that comes from TLC.

After the Orthotists are done casting their patient with the casting tape, we have been removing the cotton stockinette in order to get a clean positive mold that is free of imperfections caused by the stockinette peeling away from the cast, usually around the heel or around the ankle when they are cut to adjust angle.

The problem is delamination of the casting tape. In order to remove the stockings from the cast we have been using Acetone. Sometimes the tape is already delaminated, but sometimes the Acetone makes the cast a little rubbery, potentially causing further delaminations. Is anyone using a different method of mold preparation that gives a consistently good result that does not damage the cast prior to pouring plaster?

I look forward to any suggestions you may have!!

Marc Mahler, CTO
Lab Manager.
[CTO Badge]

2650 East McDowell Road
Phoenix, Arizona 85008
Fax 602-263-7473

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