Labels, as they are called in the printing industry, are mostly printed materials used to identify the relevant instructions of their products, and most of them come with glue on the back. But there are also some printing without glue, can also be called labels. Glue label is colloquially known as "sticker label".

Label base material classification

Substrate application

surface material

In our daily life, we often come across some products with labels. After tearing off the labels, there will often be residual glue, which is difficult to remove and affects our use experience.

In order to improve user experience, removable self-adhesive labels emerge at the historic moment. As can be seen from its name, it is easy to remove, and can be repasted and used many times. After the label is attached to the commodity, the label can be easily removed from the commodity surface under the condition of relatively stable environment, and the adhesive does not remain on the surface of the object.

Between the surface material and the base material of the self-adhesive label, the removable adhesive is used as the adhesive. Suitable for different surface materials and use environment.

First of all, removable self-adhesive labels have been widely used in household electrical products, mainly as decorative labels. Its feature is that it can be removed at any time, but also can be retained for a long time.

It is also recommended to use removable self-adhesive labels when the goods need to be promoted, so that when we remove the labels from the goods, we can ensure the integrity of the goods surface.

There are some daily necessities at the seal, using can also remove the sticker label, can be reattached or multiple use. In addition, there are clothing textile surface labels and special labels in office supplies, are removable sticker labels. In a relatively stable environment, the label can be easily removed from the surface of the product, and the adhesive does not remain on the surface of the object.

The reason why the removable sticker label has such a unique performance is that it mainly uses a removable adhesive, which effectively prevents the adhesive from falling off from the surface of the product when the label is removed from the surface of the product.

But there is no need to worry about the removable sticker label so easy to fall off, although it can be easily removed clean, but this does not mean that its bond strength is not good, as long as the correct and reasonable use, the effect is the same.

Removable labels fall into the following categories depending on the substrate

Heat sensitive paper can be removed

The thermal sensitivity of removable thermal sensitive paper is very suitable for electronic scale printing, but also suitable for medium and low speed bar code printers, supermarkets, etc. Can withstand 24 hours of water soaking, anti - blood, oil performance is good. In order to maintain good removable performance of the label, it is recommended to consume the label within three months to half a year to achieve the best results. Avoid long-term exposure to the environment above 50 ° C or direct sunlight.

Removable synthetic paper

It is a kind of repeatable readhesive with strong temperature applicability. It has good readhesiveness and has good performance on many packaging materials, such as labels on wet tissues. It has good die-cutting and waste discharge performance and UV resistance. It is an ideal labeling material for polypropylene containers. Because the surface material is hard, it is not suitable for irregular curved surface and especially soft bottle body. On some substrate surfaces (such as PVC,ABS and polystyrene), stickiness may be enhanced for a certain period of time.

Removable coated paper

Compared with the first two kinds of paper removable coated paper is more cost-effective, widely used in promotion and industrial semi-highlight color label printing, typical uses such as logistics labels and promotional labels. Due to the differences between the labeling base material and the use environment, after labeling for a certain period of time (generally 6 months), the glue viscosity may improve and may transform to permanent glue, or the viscosity may decrease.

At present, our company's waterborne adhesive and and waterborne Label adhesive, has been put on the market, the market feedback is good, the performance is excellent, fully able to meet the complex needs of customers of various packaging structures.

For example

Water based pressure adhesive for paper materials SA-232L is an adhesive specially designed for reverse and various gravure coaters at higher converting speeds, for the production of general purpose paper labels or other pressure sensitive articles.

Type

Acrylic ester and vinyl ester copolymer dispersion

Key Features

Non-yellowing

Wider application range

Very good bleeding resistance

Very good paper-aging resistance

Excellent balance of tack and shear

Higher productivity through high speed converting

Typical Properties

Appearance Milky white liquid

pH 6.0-8.0

Solid content 54±1%

Type of emulsion Anionic

Viscosity (25℃) 200-300mPa·s

Density (20℃) 1.02 g/cm3

Application

General purpose paper labels

Various single copper, mirror copper paper, mirror wet paper, thermal paper, mirror aluminum paper, aluminum foil label and advertising materials