What's the difference between a yellow hot melt adhesive stick and a white hot melt adhesive stick? Which kind of adhesion is stronger?

1. In terms of viscosity, yellow resin is better than white resin, because yellow resin is mostly acidic, and white resin may be hydrotreated to remove polar characteristics. But as the first floor said, using some inferior resin is another matter. It is suggested that rubber sticks with different characteristics should be selected according to different requirements of products. Basically, white resin will be more expensive than yellow resin, because light resin is more expensive than yellow resin.

Generally speaking, yellow hot melt adhesive is more viscous than white. Due to the different colors of the adhered objects, the color requirements for hot melt adhesives should also be different. If the object itself has no special requirements for color, it is recommended to use yellow hot melt adhesive.

Hot melt adhesive is short for hot melt adhesive. It does not use any solvent in production and application, and is non-toxic and tasteless, and does not pollute the environment. It is called "green adhesive" and is especially suitable for continuous production lines.

1. Hot sol for fabric?

Mainly used for making shoes, hats and caps. Clothing using this adhesive not only has a crisp and plump appearance quality, but also has the characteristics of natural smoothness after washing, and can be worn without ironing. Shoes and hats using this adhesive are light and breathable, and have good shape retention. Especially in the shoe-making industry, they also have the advantages of comfortable wearing and reducing shoe odor.

This kind of hot melt adhesive can be divided into polyamide (PA), polyester (PES), polyethylene (LOPE and HDPE) and polyester amide (PEA). The adhesive has passed five achievements appraisal, completed the national "Seventh Five-Year Plan" and Hebei "Eighth Five-Year Plan" key projects, won the National Invention Award, Tianjin and Hebei Science and Technology Achievement Awards, and won three national invention patents. ?

Hot sol for packaging and book binding

At present, the packaging and sealing of food, beverage, instant noodles, cigarettes, beer, medicines, etc. Most of them are done by sealing machine with hot sol. The book binding industry abolished the old thread binding and binding, and switched to hot melt adhesive system, which not only improved the binding quality, but also greatly accelerated the binding speed.

Third, hot melt pressure sensitive adhesive?

Mainly used for women's sanitary napkins, children's diapers, sick mattresses, incontinence products for the elderly and so on. Especially the latter, with the aging population structure in China. In the future, the demand of the elderly for incontinence products will increase rapidly.

4. Multi-purpose solvent-based hot melt adhesive?

In the production of many products, such as: hot melt transfer, liquid crystal material sealing, wallpaper anti-counterfeiting, calligraphy and painting pasting, computer printing, food production date typing, wire and cable agent coding, etc. All of them use the properties of hot sol, but the existing granular or powdery dosage forms cannot be used, and it is not necessary to make it into a liquid state in the presence of a suitable solvent and coat it on a certain substrate to obtain a thin and uniform film before it can be used in the next process. Due to the different types of solutes (hot sols), solvent-based hot sols for various purposes can be prepared. ?

5. Hot sol for edge sealing of furniture?

China is a country lacking wood, and a small amount of high-grade furniture is made of solid wood. Usually, most furniture is made of fiberboard, shavings or sawdust, and the edge parts of furniture plates must be bonded with hot sol to increase the aesthetic feeling, similar to solid wood furniture. ?

6. Thermoplastic powder coating?

There are mainly two kinds of powder coatings: polyethylene (CDPE) and polyvinyl chloride (PVC). Used for cage fish farming, road guardrails, bicycle baskets, shelves, refrigerator shelves, electric fan covers, etc. According to the need, it can be made into various colors and coated on the surface of metal products for protection and decoration.