Abstract : In the process of using and circulating the packaging bag, it is often subjected to the puncture effect from the sharp part of the content, the particle component or the external foreign matter in the package. If the puncture resistance of the packaging bag is poor, it is easy to break under the external force puncture. bag. Taking the aluminum-plastic composite film packaging bag of pig's trotters as an example, the XLW (PC) intelligent electronic tensile testing machine independently developed by Jinan Languang Electromechanical Technology Co., Ltd. was used to test the puncture resistance of pig's trotters bags, and the principle of the test was described. , equipment parameters, scope of application and test procedures, can provide a reference for monitoring the puncture performance of packaging bags in the industry. Key words : aluminum-plastic composite film, aluminized composite film, plastic composite film, puncture resistance, puncture resistance, puncture strength, pig's trotters, meat products, intelligent electronic tensile testing machine 1 , meaning Anti-puncture performance, as the name suggests, refers to the ability of the bag to resist external force puncture, expressed by the puncture resistance ( puncture strength ) . After the package is used to package the contents, if the content contains sharp and hard substances, such as wooden sticks, bones, chili grains or the corners of frozen foods, these ingredients will be in the long-term contact with the package. The bag produces a strong puncture effect; in addition, during the storage, transportation and circulation of the package, it is inevitable to be puncture and impact from objects outside the package, such as the sharp corners of other bags. If the puncture resistance of the bag is poor, under the puncture of the above object, it is easy to form small holes which are not noticeable on the surface of the package, resulting in leakage, leakage, and even large-area broken bags. This is also the reason why trotters packaging should have high puncture resistance. The trotters, also known as the hoof, are rich in collagen protein, which can prevent dry skin wrinkles, enhance skin elasticity and toughness, and have special significance for delaying aging and promoting children's development. It is a kind of food for all ages. It has the reputation of “ beauty food †and “ the delicious food of the bear paw †. The trotters are mostly in the form of vacuum packaging. The bare bones will produce a certain puncture force on the packaging bag. If the puncture resistance of the packaging is poor, it may cause pinholes or broken bags in the packaging, causing the trotters to be retired from “ food â€. Become a " mold food " . Figure 1 Examples of common trotters in the market 2 , standard The domestic test method for the puncture resistance of soft plastic packaging is mainly based on GB/T10004-2008 "Plastic composite film for packaging, bag dry composite, extrusion compound". 3 , test samples The three brands of pig's trotters purchased on the market are all made of aluminum-plastic composite film. 4 , testing equipment In this paper, Labthink XLW (PC) anti-piercing intelligent electronic tensile testing machine test sample. Figure 2 XLW (PC) intelligent electronic tensile testing machine 4.1 Test principle The sample is fixed on the fixture, and the puncture needle attached to the movable chuck punctures the sample, and the force value sensor and the displacement sensor located on the movable chuck are used to test and record the change of the force value during the puncture. 4.2 Scope of application (1) The equipment can be used for tensile properties, tensile strength, tensile strength and deformation rate, tear resistance, peel strength performance, heat seal strength performance, puncture resistance, etc. of plastic film, composite film, sheet and other materials. Test of indicators; can be used for infusion bag cover, soft rubber stopper, oral liquid cap puncture / pull force test; can be used for tape unwinding force, plastic bottle anti-pressure, combination cover and jelly cup, yogurt cup cover film opening Testing of products and packaging properties such as force. (2) This equipment can meet ISO37 , GB/T10004-2008 , GB8808 , GB/T1040.1-2006~GB/T1040.4-2006 , GB/T1040.5-2008 , QB/T2358 , QB/T1130 , ASTM More than 20 domestic and international standards such as D882 , ASTM D1938 and ASTM D3330 . 4.3 Equipment parameters 5 , test steps (1) Five pieces of a sample having a diameter of 100 mm were cut out from the surface of each brand of trotters aluminum-plastic composite film packaging bag by a sampler . (2) The sample is clamped to a special jig for the puncture test, and the jig is fixed on the test equipment. (3) Set test information such as test speed and sample thickness. (4) Click the Start Test option and the test begins. The device automatically calculates and displays the test results of the end of the Zui. 6 , test results 7 , conclusion Of Labthink XLW (PC) intelligent electronic tensile testing machine can be used for plastic packaging puncture force test, including good stability of the plastic film composite, plastic composite film, aluminum plastic composite film, test data may be a true reflection of The puncture resistance of the test sample is simple to operate. In addition, it can be seen from the above test results that the puncture resistance of different brands of pig's hoof aluminum-plastic composite film packaging bags is quite different, and the detection of the anti-puncture force of the packaging is beneficial to reduce the probability of quality problems in the pig's hoof packaging. Labthink has been committed to providing professional testing services and equipment to customers around the world. Over the years, it has provided tens of thousands of anti-puncture testing services to customers around the world. Of Labthink also provide you a soft plastic packaging oxygen barrier, sealing, rub-resistance and other properties of the detecting device, you can see the landing light blue device specific information or direct call. Jinan Languang Electromechanical Technology Co., Ltd. is willing to enhance technical exchanges and cooperation with enterprises and institutions in the industry. Copyright statement: Article Copyright Jinan Languang Electromechanical Technology Co., Ltd., reprinted without permission! Electric Cable Reel,Electric Hose Reel,Electric Garden Hose Reel,Retractable Electric Cord Reel NINGBO QIKAI ENVIRONMENTAL TECHNOLOGY CO.,LTD , https://www.water-hose-reel.com
