... Physical Testing for Packaging Strap Strength Testing Machine is applicable in seal strength test and other physical mechanical properties ... off cap, foil, diaphragm, back sheet, non-woven, rubber and paper fiber, etc. Strap Strength Testing Machine can do the test of ... strength, 180 degree peel (include T peel), and 90 degree peel. Strap Strength Testing Machine conforms to standards of ASTM E4 ...