Mar 13, 2009 · Posted By: longtrailer48 on 03/04/09 10:39pm OSB "Oriented Strand Board". Lots of chips and strips all glued together under high pressure with resins. It costs less than plywood because of the use of otherwise discarded material, but does not have a grain like plywood therefore structurally not as strong thickness for …
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About Floor Protectors . Polyethylene sheeting is a handy material to have around with many uses both inside and outside of your home. Since polyethylene sheets, also referred to as plastic sheets, are water resistant, flexible and extremely durable they offer a versatile type of protective covering.
The Platen is the surface on which the molds are placed and on which the plastic forms a seal for the vacuum. There are many different platen designs but most are designed with many small holes that the air is pulled through to create the vacuum.