At that meeting, I asked an executive of a large wood products manufacturing company why, if PF resins only increase the cost of a sheet of plywood by a few cents, don't you use PF resins for manufacturing interior plywood
? He looked me in the eye and said "Son, we manufacture hundreds of millions of panels of interior plywood
B-huts are wood-framed structures with exterior and interior plywood
walls, floors, and ceilings, and with a metal- or plywood-covered, trussed roof (Figure 1).
Two major early developments were the use of casein for glulam production and soy adhesives for interior plywood. Despite some success with biobased adhesives, they were replaced by synthetic adhesives starting in the 1930s, mainly due to economics, water resistance, and ease of use.
Although the exterior plywood market has seen a decrease in housing due to replacement by OSB, the interior plywood market continues strong because plywood is used in cabinetry.
longer than the interior plywood
to cover the top and bottom framing.
Environmental: local hardwood trim and beams, FSC-certified low-formaldehyde interior plywood
, no OSB/particleboard
offers KD bolts and inserts that can be used in particleboard, interior plywood
, softwoods, hardboard and in butt joint fastening.
Low-density polyethylene film has also been chosen to develop nonformaldehyde plywood, and the resulting plywood meets the requirement for interior plywood
application (Chinese Patent 2000, Chang et al.
Although soy flour was used for making interior plywood
in the early to mid-20th century, it was generally replaced by urea-formaldehyde (UF) adhesives because of their improved performance and lower cost.
BC interior plywood
producers are now producing structural plywood panels from a dry, checked, and stained mountain pine beetle (MPB)-attacked log supply.
For all three wood species, after both accelerated-aging methods, plywood shear strength and wood failure exceeded the two interior plywood
Wanaselja selected exterior and marine-grade plywoods for the interior because the glue used in their manufacture does not outgas as much as that used in standard interior plywoods