yes you can
Clear poly-urethane, gloss, satin, or, matt.
Thermal Poly Urethane Sole.....commonly used as an outsole in shoes / sandals
Yes, I just did it last week. If it's for outdoors, make sure to put 2 to 3 coats of poly on it. I recommend Minwax Helsman Spar Urethane.
I am not familar with "Acyrlic Urethane" paint, but I wonder if it is a urethane base paint that is applied and dried, but later has an acrylic clear-coat overlayed to bring out additional gloss. Urethane is more expensive, but lasts longer and is more durable than enamel or acrylic paints. Urethane and polyurethane paints are basically the same thing - toxic paints that require a complete body suit, full mask, and gloves for safe spaying while wet. I believe that Urethane paints are not allowed to be sprayed without a license in California. Applying different manufacturers urethane paints over each other without the proper advance preparation can cause chemical reaction problems that discolor or flake the paint and void the paint OEM warranty. Each manufacturer has their own urethane additive or primer that may allow their OEM paint to be applied over the original paint. You have to check with the paint distributor or manufacturer for details on this. This paint additive or advance preparation step is how many aftermarket paint manufacturers can make their own blend of paints to match the car manufacturer original fleet colors. However, paints made over 20 years ago may have chemical components that are not compatible with newer paints and may fail when Urethane is applied over them. For example I have a 40 year old VW that has OEM baked enamel paint on engine parts. If I apply urethane paint over the enamel, it will start to flake because of the engine temperature and chemical reaction between the paints. The best solution I have found for this enamel problem is to not take a chance - I strip the parts down to the bare metal and paint with a primer and then a black gloss urethane. Since the gloss component is already mixed in, there is no need for me to overlay with a acrylic clear coat.
When do you apply Neo-Poly-Bac Opthalmic ointment?
Yes. Sand the satin poly with fine sandpaper to remove the gloss, then coat with the flat poly.
use poly urethane for wood...may take several coats...make sure the cedar stepping stone is dry...
I used Delta glass paint from Michael's than used water based poly-urethane. You can also use metallic foil to add some zing before the poly. I did my shiny black tiles around my fireplace and it looks great!
The new EVO8 is luxury sports vehicle by Mitsubishi which has recently been awarded five stars in safety crash testing due to it's poly urethane front bumper.
if you have used a wax finishing agent on your subject piece, it might not be a good idea to use polyurethane over it. You probably should strip the wax coat as best as you can and then coat with poly. something tells me that since wax is an "organic base" material and urethane is synthetic, it might react with each other in a adverse way, or the poly won't adhere to the wood at all. Try contacting a builder's supply outfit and ask for specific information on this subject. Don't take a chance and ruin a good piece of wood. Good Luck!
Leatherite is a synthetic material made to imitate the appearance and texture of leather. It is commonly used in the manufacturing of bags, wallets, and other accessories as a cost-effective alternative to genuine leather.