The principle and development history of kraft paper tape!
Article provenance：未知 Popularity：Time：2020-03-22 21:55
Previous history of adhesive tape
1928 Richard drew, tonman tape, Sao Paulo, Minnesota, USA
Applying in the United Kingdom and the United States on May 30, 1928, drew developed a very light, one press adhesive, the original
One test didn't stick, so drew was told, "take this thing back to your Scottish bosses and ask them to put more
Glue! " ("Scotland" means "stinginess", but during the great depression, people found hundreds of uses for this tape, from mending clothes to
It's very useful for maintaining broken eggs.
Why can tape stick things? Of course, because it is coated with a layer of adhesive! The first adhesives came from animals
And plants, in the 19th century, rubber was the main component of adhesives, while modern polymers were widely used. Adhesive can stick
East and West are due to the bonding between their own molecules and the molecules to which they want to connect, which can firmly bond molecules together.
The composition of adhesive, according to different brands, different types, there are different polymers.
Tape Introduction: kraft paper tape is an indispensable product for any enterprise, company or individual
There is no perfect specification for tape industry, only one professional specification, QB / T 2422-1998 BOPP pressure-sensitive adhesive for case sealing
Sticky tape.
On the basis of kraft paper original film, kraft paper tape is made rough by high-voltage corona, coated with glue, and then passed through the fire bar for dividend
It's the tape we use every day. Adhesive tape glue is acrylic resin glue, also known as pressure-sensitive adhesive. Its main component is tincture grease. Tincture is a kind of
The temperature bump has certain influence on the molecular activity. Tincture fat content of glue directly affects the application of adhesive tape.
The initial adhesive force of normal sealing tape is no less than No. 13 (steel ball No.), and the thickness of this tape glue is generally 22 microns. It fits.
Thickness of specification.
Tape can be divided into: high temperature tape, double-sided tape, insulating tape, special tape pressure-sensitive tape, die-cutting adhesive according to its effect
Take, different effect suits different occupation demand;
The basic inspection items of tape are as follows:
1 appearance Hg / T 2408 - 1992
QB/T 2422 - 1998
2 scale HG/T 2408-1992
QB/T 2422 - 1998
3 initial viscosity GB / T 4852
4 holding viscosity GB / T 4851
5 tensile strength (longitudinal), elongation at break GB / T 7753
6 tearing (transverse) GB / T 455.1
7 thickness of base material GB / T 7125
8 inner diameter of paper tube QB / T 2422-1998
9 180 ℃ peel strength normal (wet heat aging) GB / T 2792
use of tape
1. Seal and fix all kinds of products
2. Provide maintenance during production
The above content is provided by kraft paper tape manufacturer
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