... is designed according to ISO 1974(paper--tearing strength
test method), GB455.1, It is mai Electronic Tearing TesterProduct ... Tearing Strength Tester is the special instrument for tearing strength
test. In paper making industry, packaging industry, science and ... metal foil and so
on.Technical standardsISO 1974:1990
method)>GB/T 10739-2002 ...