Tensile Tester | Box Compression Tester | Digital Torque Tester » BOPP films http://www.tensile-and-elongation.com 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. Fri, 13 Feb 2026 09:25:23 +0000 en hourly 1 http://wordpress.org/?v=3.0.3 Tensile strength & Elongation for BOPP Films http://www.tensile-and-elongation.com/tensile-strength-elongation-for-bopp-films.html http://www.tensile-and-elongation.com/tensile-strength-elongation-for-bopp-films.html#comments Mon, 21 Mar 2011 03:54:00 +0000 admin http://www.tensile-and-elongation.com/?p=4 For reducing the breakage during transmission process, BOPP cigarette packaging requires perfect tensile strength. Generally, 140N/mm2 vertically and 200N/mm2 crosswise are required.

Elongation rate is for analysis of incision easiness of films. Cigarette packaging industry is different from other industries. Higher elongation rate is not better. Max. limitations of 200% vertically and 80% crosswise can guarantee easy incision and assembling smoothness. Other industries require those two indexes. But cigarette package requires more detailed requirements on incision easiness during high speed production. Therefore, Elastic Modulus testing is also put forward. Labthink PARAM XLW(PC) Auto Tensile Tester is the professional tester for film and its tensile strength with Elastic Modulus testing. Low Elastic Modulus would lead to worse stiffness, unsuccessful production procedure and inferior incision easiness as well as package breakage and film obstruction.

Commonly, Elastic Modulus is required to be above 2000N/mm2 for cigarette film. However, when testing Elastic Modulus, testing conditions and temperature must be emphasized. Otherwise, the results will fluctuate greatly. Therefore, testing condition must be stated.

Further details please feel free to contact Shirley via trade2@labthink.cn or (tel)0086-531-85061080.

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