Polyurethane foam does exist and is mostly widely used in Building and construction, Transportation and Appliances. More information about urethane foam can be found at wikipedia which has an whole article on it.
wHAT SIDE EFFECTS COULD BE EXPERIENCEd from using urethane foam padding?
The MSDS sheet for urethane foam suggests it's generally safe. The only hazard listed is minor respiratory problems from inhaling the dust.
He uses many materials, e.g. stainless steel, urethane foam, resin, urethane enamel, ...
First you have to make a mold. Then mix a two part foam into the mold. This will give you a copy made of foam. The cost for making a full size mold will be high.
urethane back in the day, most likely now the same urethane ***yes, it is still urethane
E. F. Cuddihy has written: 'Outgassing rates in polymeric foams' -- subject(s): Plastic foams, Urethane foam
Urethane is superior to enamels
Only if the urethane paint is not waterbased... Urethane Paint cannot be mixed with anything except other Urethane products. Urethane Paints do not work on the same principals as "oil based" paints. Oil Based Paints rely on evaporation to dry. Urethane cures. by chemical reaction.
Yes, urethane is oil-based. Oil-based urethane typically has a longer drying time and provides a more durable finish compared to water-based urethane. Water-based urethane dries faster, has less odor, and is easier to clean up.
Yes and no. It is very similar to urethane squirt foams like GreatStuff, and such, but it does not have any blowing agents in it. So it will not foam up to fill gaps. But it does bubble and expand a bit as it cures. Glued joints in wood will likely need to be scraped and sanded after the glue dries.
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as a weighing agent in oil-and gas-well-drilling fluids to maintain pressure and prevent blowouts. It was also used as a weighing additive in cement, rubber, and urethane foam and for metal protection