Heat Seal Strength Test of Composite Packaging for Biscuit

Biscuits are commonly eaten as snack food and are in general, made with wheat flour or oats, and sweetened with sugar or honey. Varieties may contain chocolate, fruit, jam, nuts, ginger and other ingredients.
The sealing edges of the packaging bags for biscuit should have proper heat seal strength. To be specific, the seal strength cannot be too high (even higher than the compounding strength), otherwise much difficulties will be caused when opening the package. On the other hand, the seal strength should be adequate, otherwise the package may pop open or break because of internal and external compression especially during transportation. If the packaging bag is broken, the biscuit inside may become not crispy and thus influence its taste or even worse the biscuit may become deteriorated after absorbing the moisture.
Therefore, it is necessary to monitoring the heat seal strength of the packaging bags for biscuit in order to guarantee the package integrity and ensure the quality of biscuit within its shelf life.
This article provides a simplified test method of heat seal strength of packaging bag for biscuit for your reference. The test specimens are plastic composite packaging bags provided by one biscuit manufacturer. The testing instrument is Labthink’s XLW(PC) Auto Tensile Tester.

The tests can be performed according to the following procedures.
(1) Cut 10 pieces from the three sealing edges of the bags respectively. The width of the specimen should be 150mm and the developed length of the specimen should be 100mm.
(2) Set specimen width, test speed and other test parameters.
(3) Clamp the specimen into two sample grips. The longitudinal axis of the specimen should coincide with the central line of two sample grips.
(4) Click Start Test to start the test. The force value will be recorded automatically and the final results will be calculated automatically.
With the test results, the manufacturerscan judge whether the heat seal strength of the packaging bags they use for biscuits can meet the requirements and then they can adjust the sealing parameters of the packaging bags according to the test results.
For more details about XLW （PC） Auto Tensile Tester http://en.labthink.com/en-us/product/xlw-pc-auto-tensile-tester.html, please visit www.labthink.com
About Labthink Instruments Co., Ltd:
Labthink Instruments Co., Ltd is one leading supplier of packaging testing instruments, which is headquartered in Jinan, China and operated in Boston, U.S.A.

Labthink is a multinational technology company that is devoted to helping customers succeed, employees grow and brands gain respect. The headquarters of Labthink is in Jinan, China; its international headquarters is in Boston, USA; and its SAC IT Center is in Hong Kong, China. The company has more than 50 international distributors and more than 30 international service providers.

Labthink International, Inc.
200 River's Edge Drive, Medford, MA, 02155, USA
Phone: (+1) 617-830-2190
FAX: (+1) 781-219-3638
Email:sales@labthink.com

This release was published on openPR.