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Tensile strength & Elongation for BOPP Films

March 21st, 2011 Leave a comment Go to comments

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.

More about Labthink:

Labthink, focusing on laboratory testing instrument R&D, production and laboratory IT services as the core business, is dedicated to provide perfect and professional product quality control solutions for customers in packaging, food, pharmaceutical, medical, daily chemistry, printing, adhesive, automotive, petrochemistry, bioscience, construction, new energy and other industries.

Labthink is an international enterprise headquartered in Jinan, China with administrative, sales and service institutions in Shanghai, Guangzhou and Brussels as well as other over 40 countries and regions.

Labthink, as a knowledge-base enterprise, advocates scientific research and combines production with IT services. Labthink is devoted to share the most excellent testing technologies and the most advanced IT achievements with customers worldwide. Labthink instruments are now operating in more than 5000 laboratories of authoritative institutions and renowned enterprises. Labthink IT service, with the innovative online cloud computing information management mode, promotes the informationization trend of Laboratories!

Labthink, as a customer-focused enterprise, has a perfect service system. Labthink Global Customer Service Center can provide customers with professional, prompt and sustained pre-sale, point-of-sale and after-sale services in Chinese, English, French, Spanish, Portuguese, Russian, Arabic and other languages. Labthink Global Customization Center provides tailor-made professional solutions for customers.

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