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bwp = boiling water proof
bwr = boiling water resistant
THERE IS NO DIFFERENCE !!!!!!!!!!
Source: http://blog.positiveindians.in/plywood/bwp-vs-bwr-grade-plywood.html
The acronym BWP stands for 'Boiling Water Proof',
While BWR grade means 'Boiling Water Resistant' plywood.
The general naming convention used in the industry is that BWR grading is used for marking plywood, while its counterpart BWP grade is used in the case of Blockboards.
Technically speaking there is not much difference between these two terms. The quality tests on BWR grade plywood sheets, as well as BWP grade blockboards are quite similar.
The glue used in the construction of both these types is synthetic plastic resin (phenol formaldehyde) which is considered better than Urea formaldehyde resins used in commercial MR grade (Moisture resistant) plywood sheets.
If a board is marked with BWR it means that it is a waterproof exterior grade plywood, and if it is marked BWP then it should ideally mean that it is an exterior grade waterproof block board.
Both BWP and BWR grades are widely used in the construction of furniture that is likely to get some exposure to water. Hence it is a preferred choice of material for making kitchen cabinets and other kitchen furniture.
For quick difference between plywood and block board:
Plywood -is thin sheets of veneer stuck together
Blockboard - is blocks of solid softwood covered by sheets of veneer on both sides
Or you can get it in detail at :
http://blog.positiveindians.in/plywood/plywood-vs-blockboard.html
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∙ 10y ago
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Out of bwr and bwp ply wood which is expensive and which is better for interiors?
go for bwp because its cheaper and more durable
What is the difference between a pressurized water reactor and a boiling water reactor?
The primary difference between a pressurized water reactor (PWR) and a boiling water reactor (BWR) is that in the BWR, water is actually boiled, and the steam is used to drive a steam turbine, while in the PWR, the primary coolant is not allowed to boil, but is circulated in a closed loop to boil water in a steam generator. The BWR circulates primary coolant through the steam turbine in a closed loop. The PWR contains the primary coolant in a loop that includes the steam generator, and not the steam turbine.
What is PWR or BWR?
PWR = pressurised water reactor. BWR = boiling water reactor
How is premium plywood different from cheap plywood?
Premium plywood is much more different than cheap plywood. The materials involved in making cheap plywood are boards sawn and hewn from trees. Whereas, premium plywood is laminated through the multiple thin layers of wood to form ply sheets. The size of AA grade plywood is generally ‘4 X 8’ The cheap plywood is often referred to as solid wood to make it different from all the other manufactured wood products. Solid wood is made from logs that are slaughtered from trees, limited in size, and can be made in whichever size a buyer wants. Premium Plywood is dimensionally more stable than that solid wood. The irregular weather conditions and temperature can cause harm to the cheap plywood, and especially in Sydney where the weather remains hot and humid. The cheaper plywood of Sydney might ruin after a few months. On the other hand, premium plywood is resistant against inappropriate weather conditions and maintains its shine and design for a long time. Plywood is typically cross-banded. The layers are alternatively perpendicular to each other that results in reduced expansion and contraction. The plywood is classified in different categories, and it also varies upon the geographical location. The categories include commercial grade plywood, waterproof BWR grade plywood, BWP grade marine plywood and flexible plywood. There is a possibility that plywood served in Sydney won’t match the quality of Plywood Tasmania. The difference depends on the grade and material used in making, also on its thickness and manufacturing brand. A composite board is made by gluing layers of hardwood and also softwood veneer. While the premium plywoods are thicker in layer and structure, and more often used as hardwood, which is stronger and heavier than softwood, and favours a lot of purposes that are to be satisfied through the wood. How to identify whether the plywood is of cheap quality or premium quality? Determine the area of plywood, whether it is moisture-resistant or water-resistant and good for humid areas. Check for the ISI mark. It should be ISI 303 which is a normal one, while an ISI 710 is marine, waterproof and a premium one. The plywood should have a wood face and recon face veneer. If you buy heavy plywood it should be denser. The sides of plywood should reveal core layers as straight lines, without gaps and overlapping. Also, it should reveal wood core and nail-holding ability. If the plywood of 18mm bends or breaks then its quality is poor.
What is pwr and bwr?
I think you are talking about nuclear reactors. PWR is a Pressurized Water Reactor, and is the basis for most power generators. BWR is a Boiling Water Reactor. As the water is a major moderating component, controlling the speed and intensity of the nuclear reaction, the steam bubbles in a BWR can present a problem.
What services are offered by BWR Public Relations?
BWR Public Relations offers several different types of services. Some of these include: Corporate Communications, Brand Marketing, and Events and Social Advocacy.
Where do you get nuclear energy at?
A nuclear power reactor, mainly PWR and BWR types.
When is fission used?
In the operation of nuclear power plants like PWR and BWR
Examples for nuclear energy?
PWR and BWR reactor types. Look up in Wikipedia.
When is nuclear fission used?
In the operation of nuclear power plants like PWR and BWR
What Is Most Cheap Method Of Getting Nuclear Power?
Reactors of the BWR and PWR types
What is BWR of nuclear energy?
BWR = Boiling Water Reactor. In this type a certain proportion of the reactor coolant water is allowed to turn to steam (unlike in a PWR), this steam is separated out from the water after the reactor outlet and passes directly to the steam turbine.
