44 the across the roll dimension may be cut equal to or less than the length of the sleeve 44 and the around or circumferencial dimension may be cut equal to or no more than 1 16 u2033 less than the outer surface length or circumference of the sleeve for use on a press with a plate gap of 1 16 of an inch of course for other size plate gaps this dimension could vary the ends 62 and 64 of fig4 of the flat blanket material 42 may also be cut or skived at an angle so that the ends meet in the seam 45 indicated by the heavy double arrow in fig5 generally flush from top 68 outer surface to bottom 70 inner surface see fig5 when wrapped around the sleeve 44 the roll goods from which the cuts are made may be of any length and width common in the industry but should be maximized to provide the greatest number of cuts possible without excessive cutting waste manufacturing or purchasing in this form takes advantage of the efficiencies associated with mass production it is well known that the wider and longer a roll of printing blanket material is produced the less the cost per unit area the requirements of the flat offset printing blanket material 42 are the same as for any offset printing blanket and may vary according to the specific end use a typical blanket physicals are compressible layer 0 008 to 0 014 thick stretch less the 1 25 ply adhesion gt 2 lbs linear inch tensile stretch gt 300 pounds linear inch shore a durometer 70 u2013 85 additionally the printing face 72 usually will be overbuilt for grinding of the finished product to.