How to choose sealing tape?

In ordinary daily life, it is likely to feel that the position of the tape is not many, in the purchase of time will choose cheaper tape, today to say to you how to choose a box of tape.

Bopp transparent box adhesive tape, bopp is the abbreviation of BiaxiallyOriendPolypropylene, film is two-way stretch polypropylene film film is a kind of very important soft packing material, film colorless, odorless, tasteless, non-toxic, and has a high tensile strength, impact strength, rigidity, strong toughness and good transparency.

As the saying goes: a good deal is no good, and a good deal is no good. The profitability is not very high in the field of tape, general packing tape tape is all companies, enterprises, my daily life can not miss the object, but how to choose, many customers’ understanding of the tape is dependent on the quality and low price, good viscosity, in fact, this is basically abnormal cognitive ability.

General belt glue is acrylic acid glue, also known as polyurethane resin, the main component is tincture of fat. Tincture of grease is a kind of polymer material theme activity chemical substance, the number of temperature on the molecular structure movement has a certain harm. Glue tincture lipid composition can directly harm the use of tape, many of their own feel sticky tape as glue, in fact, this is a problem.

The quality of adhesive tape glue in application has two specifications, one is the initial adhesive force, one is the maintenance force, the two are negatively correlated. Generally speaking, the adhesive force is less than 16 adhesive tape is less coated with glue, generally only 20μm, such as stationery tape, general marketing tape binding. The initial adhesive force of all normal packing tape is between 15 and 20, and the wall thickness of this kind of tape glue is generally 22-28μm. The thickness is in accordance with the regulations.

But the vast majority of the tape on the market are mixed with residue, so the thickness is increased, in order to cover the residue, the glue is also mixed with pigment, so the transparent tape will produce light yellow, light green, this kind of tape is generally fake.