Glues of self-adhesive label with different properties have different prices and applications. They are usually divided into three types: hot melt glue, hydrosol glue (usually called water glue), and oil glue.
Hot melt adhesive is a rubber-based adhesive. It has strong fluidity and viscosity, is suitable for low-temperature labeling (minus 5 to 10 degrees), and is environmentally friendly and non-toxic; the labeling effect is better than that of hydrosol when there is a trace amount of oil or water on the surface of the object to be pasted.
1. Not resistant to high temperatures and can only be used below 70 degrees.
2. It is sensitive to temperature during processing. In winter, if the temperature of processing and storage is lower than 15 degrees Celsius, it will become hard and brittle.
3. Poor re-postability
4. It cannot be affixed to PVC materials in labeling environments that do not require too high temperatures, such as food, medicine, supermarket labels, etc.
Hydrosol is an acrylic adhesive. Strong viscosity, most hydrosols are environmentally friendly and non-toxic. At the same time, water-soluble glues have stronger temperature resistance than hot melt glues. Most hydrosols can withstand temperatures below 90 degrees Celsius, and some hydrosols can withstand high temperatures of about 150 degrees. The low-temperature labeling performance is poor. There are slight water stains or oil stains on the label, and it is difficult for the hydrosol to exert its viscosity. This is because the fluidity of the hydrosol is poor. It is used in food, medicine, daily chemical products and some environmentally friendly products. In addition to the characteristics listed in the table for strict industrial product labels, when the self-adhesive label is first pasted, the stickiness of hot melt adhesive is much stronger than that of water glue. However, if it is left for 24 hours, you can Try it and you will find that labels using water glue are far more difficult to peel off than hot melt glue. This is because the water glue flows slowly. Within more than 20 hours after labeling, the glue under the label finally disappears. Completely adheres to the surface of the adherend.
The difference between oil-based self-adhesive labels and water-based self-adhesive labels is the degree of waterproofing and aging. Oil-based glue itself is not "oil". We generally use soft monomers such as acrylate or vinyl acetate to maintain stickiness after curing. It can be pasted repeatedly and has strong adhesion. Water-based adhesives generally have inferior adhesion, and the adhesive surface may lose tack at high or low temperatures. In fact, in addition to polyvinyl alcohol, water-based glue is also a hydrated emulsion of oil-based glue, but the solvent is changed from MIBK, DBE or butyl acetate to water. It can be used indoors where it does not need to be exposed to humidity. It can be used all day long. Roll-up banners or outdoor photos outside in the wind and rain will not work. Generally, PP paper is made of oil-based glue. In order to increase the bonding fastness with PP, there is also a certain amount of chlorinated polypropylene, that is, CPP, as an adhesion promoter.
Product Name:Self -adhesive Jumbo roll (cooperate with Avery Dennison)
Pulp Material:Mixed Pulp,Chemical Pulp
Application:Packaging Material
Packing:Plastic Film, Pallet Packaging
Delivery Time:Within 1 week
Hot Material:Art paper, thermal paper,films
Feature:Waterproof/scratch resistant/UV resistant/high temperature resistant/solvent resistant/strong adhesion
Application: Glass bottles, cosmetic, gifts. baking store,supermarket,shipping,fruit etc.
Quality: Grade A, bright white
Hot Models in China: AW4200K,AW5200K,AW3209 NW5070L,NW5539,NW5558DL BW0382,BW0052
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What is the usage of self-adhesive jumbo roll?
You can slit them and apply to various industries such as cosmetic, gifts. baking, store, shipping,fruit, etc.