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| Joined: | 05-01-2005 |
| Location: | Minneapolis, Minnesota USA |
| Posts: | 575 |
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For attachments, the file size must not exceed 102400 bytes... or 102kb. There are some little 'cling-ons' that add to the file side as sent, so I've found that 100-102kb photo attachments bounce. I've had to get them down to 96-98kb maximum before they upload.
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Did you use purpose-made mold release wax, or just car wax? Mold release wax makes a difference. Polyester resin contains solvents that can attack regular wax. For that reason, when I'm playing with molds, I prefer to use epoxy resin.
In addition, consider spraying the plug or mold with PVA (poly vinyl alcohol) and letting it dry before laying-up the fiberglass. When you're done, any PVA residue rinses off easily.
For small parts, I usually spray it with a PreVal. It's a glass jar with 'aerosol' spray nozzel that accepts a screw-on, disposable pressure cannister. Pour whatever you want to spray into the glass jar, attach a pressure cannister, and spray away.
https://www.homedepot.com/b/Paint-Paint-Supplies-Paint-Sprayers/Preval/N-5yc1vZarv5Z7vb
https://www.amazon.com/pva-mold-release/s?k=pva+mold+release
Regards,
Tim Engel
Last edited on 12-01-2020 02:12 am by Esprit2