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If a polyurethane varnish (not lacquer) contained linseed oil, it COULD have lead in it - lead is a drying agent for that oil. It was mostly used in paints as a pigment. Varnish has no pigment and it dries by chemical reaction, so most polyurethane varnishes don't need lead.
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∙ 7y agoNormally not, it is forbidden today.
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Does all spray foam contain urea formaldehyde?
No. Most modern spray foams are polyurethane which do not contain formaldehyde. The stuff you get in small cans to fill holes is polyurethane, and you can get it in tanks the size of bbq propane cylinders, all the way up to a truck delivering it for a whole house job.
Is polyurethane renewable?
Polyurethane can be recycled.
Does Miss America depression glass crystal contain lead?
Crystal glass contain lead.
Does pencil lead contain crystals?
Pencil 'lead' does not contain crystals. It is a mixture of the element carbon (in the form of graphite) and clay.
What are the properties of polyurethane?
The properties of polyurethane are resistance to explosive decompression and interaction with light. Polyurethane is also durable and makes a good insulator.
Does lacquer contain lead?
If a polyurethane varnish (not lacquer) contained linseed oil, it COULD have lead in it - lead is a drying agent for that oil. It was mostly used in paints as a pigment. Varnish has no pigment and it dries by chemical reaction, so most polyurethane varnishes don't need lead.
Can you reduce 2k polyurethane paint with lacquer thinner?
Urethanes react with water and alcohols. To use lacquer thinner you need to be sure that it contains no IPO or IPA. Cheap lacquer thinners probably contain mainly toluol xylol and ketones; these should be OK. Just thin a little urethane lacquer and its hardener with the lacqer thinner and let it stand or apply to a small test patch. If it froths or goes funny in any way; forget it
What spray can be used to waterproof material?
spray polyurethane is best, but lacquer will work as well, it is cheaper and dries in an hour versus 24-48, but you should apply multiple layers. 3 layers with poly, 6-10 with lacquer
Does oil based stain require a polyurethane finish?
No. You can use lacquer on oil too. Varnish will work well with oil stain as do any of the wax finishes
Could you use a lacquer tinner for polyurethane paint?
If you are using polyurathane paint, using a general purpose lacquer thinner is not recommended, other than for cleaning equipment afterwards. For application, use only the correct thinners, of the same brand as the paint.
What is the difference between lacquer and paint thinner?
Lacquer thinner evaporates quicker. It is cleaner or leaves less of a film than paint thinner. Lacquer thinner will thin most solvent based paint but paint thinner shouldn't be used to thin Lacquer. Lacquer dries from the surface painted out and enammal dries from the surface of the paint down to the surface painted. Using the wrong thinner affects how the paint dries and may affect the final finish.
What kind of brush do you use to paint lacquer?
Generally speaking, you don't brush lacquer....it has to be sprayed. With that being said there are probably some products that you can brush on if you feel that you must. You would want to use either a china bristle brush, or a "natural" brush. Please know that when you use lacquer thinner to clean your brushes, it may soften the glue that bonds the bristles to the handle. I would use a polyurethane or urethane if you need to apply it by brush. You can put either on top of lacquer if you want to (but you cannot put a lacquer on top of the poly).
Is lacquer toxic?
Lacquers contain many volatile organic componds undesirable by inhalation.
How do you make a RC airplanes wing stronger?
If you don't want to alter the wings structurally or add too much weight, I would say spray the outer surface with a polyurethane lacquer.
Should you use enamel or urethane to paint your car?
Yes, that was the original intention of urethane.
Do crayons contain lead?
No. It doesn't contain lead.
Is there fiberglass in gorilla glue?
No, there is no fiberglass in Gorilla Glue. Gorilla Glue is a polyurethane adhesive that does not contain fiberglass. It is primarily made up of isocyanate and polyol resin.
