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Ningbo Pacific Packing Band Co.,Ltd
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How to identify the quality of sealing tape is good or bad

Release time: 2021-07-27 16:21:25    Clicks:122697

Ordinary sealing tape is any company, personal life indispensable supplies, because of its technical content is not high, many domestic manufacturers, so the quality of the product on the market uneven. And our domestic tape industry still remain in the technical content of very low stage, the state has not yet a perfect standard for the tape. Many consumers understand the tape is cheap, feel better viscosity, in fact, this is wrong. Buy tape do not map cheap, a sub-price goods, cheap tape must be made from the raw materials on the issue, today's Pacific packaging to teach you how to identify the quality of tape is good or bad!
1. The composition of the tape:
Sealing tape is BOPP biaxially oriented polypropylene film on the basis of high-pressure corona after a rough surface coated with glue, and then sub-machine into a small volume is our daily use of the tape, so the first tape Strength depends on the BOPP film is good or bad and thickness, the average thickness of the film between 28 microns and 30 microns, but because of some of the recycled material BOPP film strength is not enough, so only thicker film thickness, It feels very thick, but the intensity is very poor, very short shelf life will appear obvious aging. Tape with color is for easy marking and masking purposes, not the color of the film, but the color of the glue.
Ordinary sealing tape glue is acrylic tincture glue, also known as pressure-sensitive adhesive. Tincture is a kind of macromolecular active substance, the temperature has a certain impact on molecular activity. Glue tincture material directly affect the use of tape, many individuals think that sticky tape is good glue, in fact, this is wrong. Adhesive tape in the use of good or bad there are two standards, one is the initial sticky force, one is to maintain the force, the two are inversely proportional. Normal sealing tape The thickness of the glue is generally 22-28 microns, which is in line with the standard thickness.


2. Identification of tape:
In fact, we use the tape is not the purpose of sticky, but to sticky solid will not be separated. Now most of the poor quality of the tape in use, after a period of time (20 minutes to 1 hour) will appear disintegration of the situation, and can not be re-paste; followed by poor quality tape easily broken, the intensity is very low, mainly with the quality of the membrane , But also to avoid sharp objects to scratch the tape cross section, or no matter how good the tape will be broken. Some people think that the tape surface with bubbles and more tape is certainly not a good tape, it is not true, the tape has just passed into the finished product when there are bubbles, placed for some time after the basic bubble will be dispersed.
In addition, the regular production of tape paper tube thickness of 100 meters below the tape is 3 mm, 100 meters above the 4-5 mm, while small businesses for the blind consumer use thick paper tube, usually the thickness of 5-7 mm thickness , And thus relatively large in appearance, but the tape is very clear on the flesh of the more out. So when the choice of tape must see the width of the tape and the thickness of the tape.
In summary, we have been able to determine the tape from the appearance of the basic can determine the tape is good or bad, and then a good distinction between good and bad tape is the most important condition is not just feel feel viscosity, because the doped tape in the absence of volatile time The initial sticky force is very high, so use the tape to paste the object and then quickly opened to see the holding force, repeated paste several times and then touch, the obvious feeling of sticky decline. Dumped tape for glue when the general use of gasoline and acid to be dissolved, so the smell is very large.

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