Packaging tapes are an integral part of various packaging materials, and their adhesion standards have become one of the most important factors considered by buyers and producers. Packaging tape is usually used to protect the integrity of packaged items during transportation and storage, as well as to ensure the safety of packages. In the market, there are two main types of sealing tapes commonly available: ordinary sealing tapes and high-strength sealing tapes.
Ordinary sealing tape has a viscosity standard of greater than or equal to 23 N/m3, which is suitable for packaging light items; while high-strength sealing tape has a viscosity standard of greater than or equal to 30 N/m3, which can be used for packaging heavy items. Therefore, when selecting sealing tape, the type of tape and viscosity standard must be selected according to the quality and size of packaging items. Also, in practice, sealing tapes need to be considered for their ability to adapt to different environmental and climatic conditions to ensure the integrity and safety of the package.
In addition to meeting industry standards, manufacturers of sealing tapes are also paying increasing attention to the individual needs of consumers. Customization needs have become a key trend in the box sealing tape market. Consumers can customize the tapes according to brand logos, colors, fonts, graphics and other special needs to enhance their brand image and recognition. At the same time, customized sealing tapes have also become an effective means for merchants to differentiate their packages and increase the attractiveness and competitiveness of their packages in the market.
Therefore, sealing tape is not only an important part of packaging materials, but also an important guarantee for the safety and integrity of parcels. Consumers should choose the type of tape and adhesive standard according to the different conditions and needs of the packaged items, and also realize packaging differentiation through customization needs to enhance brand image and competitive advantage.
How to determine the viscosity of sealing tape?
1, the initial viscosity: that is, the test sealing tape original ability to stick to the sticky material of the strength of the usual method is to use the standard steel ball in the tilt at an angle of 45 degrees of the sealing tape on the natural law of the roll down, in order to enhance the size of the steel ball, the larger the steel ball that can be glued to the initial viscosity of the larger.
2, holding adhesive: that is, in the sealing tape completely stick to the object, sticky maintenance ability, the general test standard is: with the provisions of the strength of the sealing tape, stained with two steel plate appearance, followed by a steel plate hanging in the tester, the other hanging 1kg weights, to see the two steel plate does not separate the time can be maintained for how long.
3, peeling force test: with the standard width of the sealing tape stuck to a specific steel plate, followed by a robotic hand will be torn from the steel plate sealing tape sealing tape, robotic stabilized force reflects the size of the peeling force.
Generally speaking, the adhesive force is lower than No. 10 of the tape is the glue coating teach less, generally only about 20 microns, such as stationery tape, ordinary promotional bundling tape. The normal initial adhesive force of the sealing tape between 15-20, the thickness of the adhesive tape glue is generally 22-28 microns.
First, to determine whether the surface of the adhesive paper is smooth and wrinkle-free, under normal circumstances, generally just out of the production of sealing tape can be seen with the phenomenon of bubbles, placed a week later, the bubbles will basically be dispersed, on the contrary, laced with impurities sealing adhesive is a lot of irregular distribution of white spots, with the hand is not pressed.
Second, to determine whether it is good adhesion, we can use the tape to paste the items quickly pulled apart to see the holding power, repeatedly paste a few times and then touch it until the viscosity is significantly reduced, good quality sealing tape adhesion will be worse than the quality of the sealing tape is more abrasion-resistant, adhesive and more durable.
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