Sealing formaldehyde within plywood? Hi I am constructing something with plywood and want to trademark it with...
Hi
I am constructing something with plywood and want to trademark it with something to stop formaldehyde off-gassing within the home.
This company has a paint that they claim reduce formaldehyde emissions from plywood and MDF, although they index no ingredients so you simply have to purloin their word for it, which always make me sceptical:
* http://www.ecospaints.com/products.htm#p...
Is this likely to lately be marketing BS?
As an alternative, I have hear that shellac is non-microporous, so it does not let surfaces breathe. Does this indicate that shellac will totally seal surrounded by any formaldehyde and prevent off-gassing?
Thanks.
Answers: Most of the building products made in the USA and Canada are already formulated for reduced formaldehyde content. The products that still contain plenty formaldehyde to be a problem with off-gassing are foreign, usually from asian suppliers.
The FEMA trailers that hit the communication awhile back, that be having problems next to formaldehyde, had some cabinet made with some plywood that have formaldehyde in the cement. This plywood came from overseas. The company that built the unit, used the overseas plywood because it was cheap, and available. (There be a large, sudden constraint for building supplies, remember).
I'd start off by checking the core of the plywood you are going to use. With that said, pretty much any product that encapsulates the plywood will work to slow down off-gassing. Key phrase there "slow down" - because its almost impossible to stop it altogether. Ideally, as long as the heavens in the sheltered space (where they plywood product is placed) has a well-mannered exchange rate with fresh nouns, there shouldn't be any problems.
If you want the look of the wood small piece with the ply, later use a polyurethane coating (I like to use a sand sealer first). If you want to paint it, then apply a polite primer first (Kilz, Zinser etc)
Shellac will work well too, as long as nearby is no heavy tread or abrasion. For example, If this plywood be being used as patterned shelving, then shellac would probably hold up only fine. (Bookshelves, I would lean more towards polyurethane) Wall trim, etc, would also be good applications. For cloying use items tho, like flooring, paw rails, etc... I prefer the heavier duty polyurethane.
Environment is a big factor within off-gassing too... warmer temps bring give or take a few a quicker release of fumes. If the room this ply is being used within, is temperature controlled, it will comfort.
Have Fun
Yes shellac will seal completely, so will almost any paint, or varnish.. The knob word here is seal. If a product will trademark out water, than it stands to root that it will seal within off gas. I know they make both plywood and mdf surrounded by low emission, I don't know which assembly that does this, but I know the products are available.
Good Luck