http://www.tensile-and-elongation.com/testing-requirementsastm-4649-stretch-wrap-films-for-transport-packaging.html Tensile Tester is applicable in the test of physical mechanical properties of plastic films, laminated materials, adhesives, adhesive tapes, adhesive bandage (plaster), release paper, protective film, leather, rubber and paper fiber, etc. Sun, 30 Dec 2018 04:15:50 +0000 hourly 1 http://wordpress.org/?v=3.0.3