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Resorcinal ok for food surface?12/9
Is resorcinal for food surfaces?
The "F" should give us a hint that this stuff is probably not recommended for Food surfaces.
Apparently, the old insulating aerosol-foam made from the same ingredients is right up there with asbestos when it comes to removal (something about VOCs).
Not necessarily. Some things when powdered or wet are toxic but when cured as inert. Dap Weldwood urea formaldehyde glue of course has F, but their use sheet lists cutting boards among the uses.
I'd use Dap WW, but I'm not sure how it would stand up to a chunk of freshly made cheese sitting there for a few weeks.
does anyone have the definitive word on Resorcinal - anything from a mfr?
I think you will be unlikely to get a 'definitive' from a manufacturer. Nothing against them, but they have a legal department, and as soon as they say 'food safe' or similar, then something else will come up and 1-800-sue some1 will be ion the phone.
Resorcinol has been removed from the homeowner market for 12 years or more now, and is harder to get unless it is for commercial uses.
But, the reasoning that if 'toxics go in, toxics can come out' is as sound as chemistry changes it to inert materials - no help for us.
I would take a path of lower profile and use TBIII for cheese boards. I also know that plastic resin glue is used for thousands upon thousands of cutting boards, so that is a good choice and no chance of a raised glue line with it.
What is "plastic resin glue"? is that what Dap Weldwood is? Urea Formaldehyde glue?
The Wiki wood glue page is pretty good.
This is off of DAP's page:
DAP® Weldwood® Plastic Resin Glue
A powdered, ureaformaldehyde wood glue activated by mixing with water. Forms a bond stronger than the wood itself. Mets Fed. Spec. A-A-3052. Low VOC.
Scott - Go to CP Adhesive's website and check it out. They have a full line of adhesives, MSDS, etc. and you can sort thru the various types and names for glues. Good tech help is there also.
Plastic resin and Weldwood are often interchanged, along with urea formaldehyde.