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What are the technical characteristic carries an anti-counterfeit label for the adhesive?

by:LG Printing     2021-02-07
Self-adhesive anti-counterfeit label is common in daily label, is also widely used in the security industry anti-counterfeiting means. Its technology and material believe many people will want to know. Anti-counterfeit label production according to the different articles, different USES, different USES and posted content materials and using the environment are linked. There are many different kinds of stickers, lack of understanding of enterprise for anti-fake products, it is difficult to choose the ideal labeling. Let's learn more about the adhesive stickers are what are the technical characteristics!

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adhesive stickers are technical features a: < br / >
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1, the initial viscosity: label when in contact with slight pressure between adhesive and substrate, adhesive effect on adhesion of base material known as the beginning of glue adhesion, also known as can start at the beginning of viscosity. Initial viscosity, after the big label contact base material immediately attack great adhesion, remove label requirements must force; And the initial viscosity small label after the contact surface of base material, show the small adhesion, simply remove the tags. < br / >
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2, after all viscosity: after the adhesive into the base material surface, labels can get great adhesion called viscosity after all. Obtain, after all, big time depends on the strength of the adhesive viscosity and roughness on the surface of the base material and environment temperature. After the labeling of, time is 2 - large viscosity 24h。 In general the initial viscosity and, after all, there is no relevant contact between viscosity, sometimes a label with high initial viscosity, but not for high viscosity, after all, after all. < br / >
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3, shear strength, The viscosity) : the cohesive force of the adhesive are measuring index of adhesive softness. Low shear strength of the adhesive have more moving trend ( Lead to higher initial viscosity) , the label need more tension from the substrate. Adhesive has high bonding strength, due to the high cohesion ( May have a relatively low initial viscosity) , the tag from substrates E is very simple, don't need a lot of force. < br / >
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adhesive activity not only affect the initial viscosity, but also determines the tags around the glue. Because adhesive material also can affect a series of problems in the process of printing, such as adhesive pollution, bad luck, double-sided printing, etc. , so the activity of adhesive needs to be controlled in a certain plan. < br / >
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4, uv intensity: measurement of adhesive under ultraviolet light, don't lose the strength of the adhesion and change color. < br / >
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5, plasticizer, etc, these solvents exist in a work environment label or some surface of substrates. < br / >
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6, cold activity intensity: is marked under normal temperature, the adhesive strength of activity. Have good cold active strength of adhesive called cryogenic adhesive or general adhesive. < br / >
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7, label low temperature: don't lose its function in the adhesive, the substrate surface temperature is low. Low mark temperature was caused by adhesive; Glass transition point. In the transition point, with temperature drop, adhesive hardens and crystallization of solids. Acrylic adhesive, generally low temperature 0 ℃, rubber type adhesive, low temperature of - 25℃。 < br / >
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8, temperature, the use of planning: label after use, by adhesive, without changing its temperature planning characteristics under the condition of strong adhesion. Acrylic adhesive temperature for the use of class 20 - 120 ℃, the temperature for the use of rubber type adhesive 40 - 80℃。 The application of temperature programming and label the fabric type, base material surface conditions and environmental conditions. The application of different adhesives have different temperature planning guide.




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