he undesirable formation of large cavities or pockets in the foam structure Pocketing is usually caused by rapid formation and/or release of the blowing agent before the polymer structure has gained sufficient strength to contain the gas
The undesirable formation of large cavities or pockets in the foam structure Pocketing is usually caused by rapid formation and/or release of the blowing agent before the polymer structure has gained sufficient strength to contain the gas [Also see "Splits" ]
Pockets are hems welded into the vinyl to accept gripper bars for vinyl installation They are similar to a hem in a curtain Pockets will be a standard 3" (top, bottom, & sides) This results in a pocket with a 6" circumference In terms of the vinyl face, the "pocket" is more accurately described as a "margin " A 14' image with 3" bleeds and 3" pockets (or margins) yields a finished size of 15' (Also referred to as "wrap ") Regardless of whether a board is printed with or without bleeds or margins, the mechanical pocket still exists This pocket typically is 4" of material, folded over and seamed with a 1" seam yielding a 3" pocket