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It is still important to wear gloves during the application process. If your air is humid, you should try to dehumidify it to ensure there isn’t a lot of moisture in the wood you are trying to heat. Remember that using high heat on the wood may warp it. (1.4l) of table salt to one gallon (3.8l) of water to create your paste. Mix it well with a stick. Allow it to sit for several hours. It should have the consistency of cake batter. Mix the egg whites in into the solution to reduce flaking.  You want the moisture to be dried from both sides simultaneously. This should take several days to a few weeks to dry and cure.
Use this method if you want to use natural ingredients, rather than harsh chemicals. Dry your wood cross section out immediately. Mix three lbs. Add in cups of cornstarch one by one, until you get a paste-like consistency. Separate three egg yolks from egg whites. Create a stand on which to hold your wood cross-section upright. Apply a thick coat of paste to both sides of the cross section. Air dry the disks in a well-ventilated or heated room with low humidity. Finish the wood as desired.