BWR vs BWP grade plywood | Difference Between BWP & BWR Plywood | LCETED

BWR vs BWP grade plywood

BWR - 'Boiling Water Resistant'

BWP - 'Boiling Water Source'

 

For marketing in the industry, the BWR grading is used to refer to plywood, while the BWP grading is used on blackboards.

 

If a board is marked with BWR it means that it is a waterproof exterior grade plywood

If a board is marked with BWP it means that it is a waterproof exterior grade blockboard

 

There is not much difference technically between these two terms. The quality tests of BWR standard plywood sheets and BWP quality blackboards are very similar.

 

The glue used in the manufacturing of these two types is synthetic plastic resin (phenol-formaldehyde) which is considered to be superior to the urea-formaldehyde resins used in commercial MR grade plywood sheets.

ALSO READ: Adhesives used for Plywood manufacturing process - lceted

 

Both BWP and BWR grades are widely used in furniture construction, which is somewhat exposed to water. So it is a preferred choice for making kitchen cabinets and other kitchen furniture.

Also Read: BWR Plywood Vs. Marine Plywood | Differences Between BWR And Marine Plywoods - Lceted

 How are BWP and BWR plywood different?

BWP	BWR
Relatively heavy	Light compared to BWP
Comparatively costly	Economical and less costlier
Has higher strength	Lower strength compared to BWP
Shows higher water resistance	Shows lower water resistance
Exhibits higher termite resistance	Exhibits lower termite resistance

Also Read: Woodworking Materials Guide for Beginners! | Woodworking Handbook

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