Tempered Tempered Hardboard, 3/16 in x 2 ft x 4 ft - Masonite, Good 2 Sides. 3/16X24X48 Chalk/Marker Board. Tempered grade Tempered Hardboard - this product is 3/16 in thick, 2 ft wide by 4 ft long and is made from Masonite. This product is also good 2 sides.

Item Features

• Masonite is a type of hardboard, a kind of engineered wood, which is made of steam-cooked and pressure-molded wood fibers
• Tempered grade hardboard is impregnated under heat with linseed oil; tougher and more moisture resistant than standard hardboard
• A type of fiberboard panel engineered from cellulose fibers pressed together under extreme pressure and heat; Tempered hardboard adds an additional step of coating the hardboard with a thin film of linseed oil and baking the board to provide more water an
• The sheet has been finished/surfaced on both sides