Let's take a look at the composition content of the sealing tape. Do you know?

Also called BOPP tape, packaging tape, etc., which is developed on the basis of the original film BOPP. After high-voltage corona, the surface of the surface is rough, coated with glue and then divided into strips and small rolls, and this is the tape we often use every day. Among them, the glue inside the tape belongs to acrylic resin glue, which is often referred to as pressure sensitive adhesive. The main component in this tape is tincture grease. Because tincture fat is a kind of polymer active substance, and the molecular activity has a certain influence and the temperature has a certain relationship, so the amount of tincture fat substance in glue will directly affect the use of adhesive tape. The initial viscosity of ordinary sealing tape is not less than 13 (steel ball), and the thickness of the tape is generally 22 microns, which meets the standard thickness.

Sealing tape is generally composed of substrate and other auxiliary materials, auxiliary materials including curing agent, toughening agent, diluent, filler, coupling agent, etc., and some adhesives do not necessarily contain so many ingredients, which mainly depends on the performance and use of the adhesive:

1. Substrate: inside the adhesive tape. The basic component is the substrate component, and this is also a component in the transparent tape.

2. Curing agent: When it comes to curing agent, everyone should know that this is a material that can cure the substrate into a solid, and this component is the main component of the adhesive.

3. Toughening agent: adding toughening agent to the tape can improve the toughness of the adhesive layer, which can play an impact resistance, peeling resistance and bending resistance.

4. Diluent: Diluent is also called solvent. Diluent can reduce the viscosity of glue, is easy to use, and can also improve the wettability and fluidity of glue.

5. Filler: Adding filler to the adhesive can improve the mechanical properties of the adhesive, which is also one of the components of the transparent tape.

Dongguan sealing tape manufacturer sealing tape is an indispensable product in the life of any enterprise and individual. Due to the low technical content in China and the large number of domestic manufacturers, the products on the market are uneven. Dongguan Baitai Xiaobian summarizes several methods for identifying the quality of sealing tape:

1. In fact, there are two quality standards to distinguish the sealing tape, one is the initial adhesion, the other is the retention force, the two are inversely proportional.

2. Tape with initial adhesion less than 10, such as stationery tape, ordinary promotional binding tape and other products, has a relatively small amount of adhesive coated inside. The initial adhesion of the usual sealing tape is kept at about 15 to 20 microns, while the thickness of this tape is usually 22 to 28 microns, which meets the standard thickness of the tape.

At present, most of the tapes on the market are mixed with impurities, so the thickness increases. In order to cover impurities, the glue is also mixed with toner, so the transparent tape is egg yellow and light green. The quality of this type of tape is very average.