high-density plywood

high-density plywood

Plywood made from resin-impregnated veneer and formed with heat at pressures of 500 lb per sq in. (35 kg per sq m) or more; usually density is at least twice that of normal plywood; is difficult to work with ordinary hand tools because of its extreme hardness.
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Release especially suits cast-in-place concrete, working well with forms made of plywood, high-density plywood, wood, fiberglass, steel or aluminum.
The wood used for shelving is high-density plywood bonded with environmentally sound glues, which don't emit toxic fumes.
No special treatment is required for degreased and etched aluminum; aluminum having an amorphous chromate coating; high-density plywood; medium density, factory-primed Duraply plywood; and mill-galvanized phosphate-coated sheet steel.
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