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0 <br />I � <br />�J <br />a <br />I <br />y <br />t <br />SCHEMATIC OF UNTESTED <br />SPECIMEN <br />WELD B WELD A <br />-- TOP SHEET <br />` -- BOTTOM SHEET <br />-- DIRECTION OF INITIAL PEEL <br />LOCUS -OF <br />TYPES OF BREAKS BREAK CODE <br />AD <br />BRK <br />SE1 <br />1 E�ii3 =�� I SE2 <br />a. FTB - FILM TEAR BOND <br />AD -BRK <br />BREAK <br />DESCRIPTION CLASSIFICATION" <br />ADHESION FAILURE NON -FTB <br />BREAK IN SHEETING. BREAK CAN BE IN FTB <br />EITHER TOP OR BOTTOM SHEET. <br />BREAK IN OUTER EDGE OF SEAM. BREAK FTB <br />CAN BE IN ETHER TOP OR BOTTOM <br />SHEET. <br />BREAK AT INNER EDGE OF SEAM THROUGH FTB <br />BOTH SHEETS. <br />BREAK IN FIRST SEAM AFTER SOME <br />ADHESION FAILURE. BREAK CAN BE IN <br />EITHER THE TOP OR BOTTOM SHEET. <br />NOT TO SCALE <br />FTB <br />