Paper and Packaging Testing

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Burst Strength:

This test helps in determining the strength of paper, solid board and corrugated board. Bursting strength is usually quoted in kg/cm 2.
Test Method: BS 3137, BS 2922:1 and International standard ISO 2758 and ISO 2759.

Tensile Strength:

This test helps in determining the tensile Strength of paper, paperboard, etc. A tensile strength test is a mechanical test performed on packaging materials to determine the maximum load that can be applied to a material before it ruptures. This test can be used to measure the tensile strength of paper, board and plastics. The material will show elastic behaviour up to a certain point and then rupture. This test can be adapted to different needs – it can also be used to measure the strength or elongation of a material and its tearing resistance and the force required to separate the seal. All these give a measure of the strength of the material.
Test Method: IS: 1060

Thermal Shock Test:

Thermal shock assesses the resistance of packs to sudden changes in temperature. The packs are given a specified number of temperature cycles between a very low and, within a short period of time, an extremely high temperature. Thermal shock refers to a very high rate of temperature change, typically 30°C per minute or higher and is appropriate for testing packaging, aircraft parts, military hardware or electronics destined for rugged duty. Because almost all products are subject to shipping, this test may be appropriate to any part that will have to withstand an abrupt temperature change in a short period of time, such as a transition from a warm warehouse to a freezing roadside while being loaded onto a truck.
Test Method: BS EN 60068-2-14:2000

Vibration test:

This test can assess performance of filled package when subjected to vibrations during transit. Vibration testing is the shaking of a product or package to determine its ability to survive in real world conditions. Vibration testing on a package or product is performed to simulate one of three environments: Transportation environment, Operating environment and Storage environment of sensitive products.
Test Method: ASTM D999, ASTM D3580, ASTM D4728, ISO 8318, ISO 2247, ISO 9022-10, ISO 9022-15, ISO 9022-19

Peel test:

This test helps in determining the co-efficiency of static and kinetic friction test of plastic films, textile, and paper, as well as peel strength test of adhesive laminated products. Peel tests are widespread and determine that a medical device package design is valid, pressure sensitive labels are manufactured correctly, and office supplies, electronics, and other packaging and adhesive products are operating as expected. A peel test measures the force, typically the peak force, required to separate two adhered materials at a specified test speed over a specified length and angle.
Test Method:

Edge Crush test:

This test helps in determining the Edge Crush, Flat Crush, Pin (Ply) Adhesion of Corrugated Board and Ring Crush. The liner and the media combination (3/5/7 Ply, etc) can be tested for Edge Crush test value. Higher Edge Crush Test value will ultimately give a finished box of high compressive strength.
Test Method:

Adhesion strength:

This test is designed for adhesives, adhesive tapes, adhesive products and related industries. It is applicable in the holding power test of pressure sensitive adhesive tapes. Adhesion testing is often associated with adhesives, tape, sealants, laminates, electronics, cosmetics, medical devices packaging, general packaging seal strength and applications where bond strength measurement is critical for research and quality control applications. Stud pull coating adhesion testing for instance is a very common test used in microelectronic coatings or other forms of “thin film” application on rigid substrates.
Test Method: ASTM D3654

Bending test for Boards:

This test helps in determining the bending capacity of a board. Due to board’s brittle nature, muti-layer ceramic capacitors are more prone to mechanical stress than other components used in surface mounting. One of the most common cause of capacitor failure is directly attributable to the bending of the board after solder attachment. Excessive bending will create mechanical stress within the ceramic capacitor that, if sufficient, can result in mechanical cracks.
Test Method:

Accelerated Aging:

Accelerated Aging is commonly used in the medical device industry to “speed up” the effects of time on a Sterile Barrier System to establish shelf-life parameters. The Accelerated Aging process is based on the relationship of temperature and reaction rate where an increase in temperature increases the reaction rate and is approximated by the Arrhenius Equation.
Test Method:

Drop Dart Impact Test:

This test helps in determining the impact resistance of film, sheet, and laminated materials. The weight required to cause 50% of tested films to failure by impact from a falling dart under specified testing conditions. Impact resistance is only partially thickness dependant, as a result impact values cannot be normalized by thickness without producing misleading data.
Test Method: ASTM D1709

Tear testing:

This test helps in determining the average force required to propagate a single-rip tongue-type tear starting from a cut in paper, cardboard, plastics, non-woven and woven fabrics, with proper configuration. Internal tearing resistance is the force perpendicular to the plane of the paper sheet required to tear multiple plies through a specified distance after the tear has been started. Tear-growth resistance is a quality criterion used by paper-manufacturers during the final inspection and by processors in goods inwards checks.
A tear test is completed in seconds, making electronic acquisition and evaluation of test data a logical choice.
Test Method: IS: 1060

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