1928 Scotch Tape Richard Drew, St. Paul, Minnesota, USA
Applying in the United Kingdom and the United States on May 30, 1928, Drew developed a very light, compact adhesive, and the initial attempt was not sticky, and Drew was told, "Take this thing. Get back to your Scottish bosses and ask them to put more glue!" ("Scottish" means "Hey". But during the Great Depression, people found hundreds of uses for this tape, from making up to It is useful for protecting broken eggs.
Why sticky tape can stick things? Of course, because it is coated with a layer of adhesive on the surface! The earliest adhesives came from animals and plants. In the nineteenth century, rubber was the main ingredient of adhesives; in modern times, various polymerizations are widely used. Things. Adhesives can stick to things because of the formation of bonds between their molecules and the molecules that they are attached to, which bonds the molecules firmly together. Adhesive ingredients, according to different brands, different types, there are a variety of different polymers.
Tape Description: BOPP (biaxially oriented polypropylene) tape is an indispensable item in any company, company and individual life. The state does not have a perfect standard for the tape industry, only one industry standard "QB/T 2422-1998 sealing BOPP pressure sensitive adhesive tape.
The adhesive tape is a tape that we use every day after applying high pressure corona on the basis of the original film of BOPP to roughen one surface and apply glue after being divided into small rolls. Adhesive tape glue is acrylic glue, also called pressure-sensitive adhesive, the main ingredient is blusher. Rouge is a kind of macromolecular active substance, and the temperature has a certain influence on molecular activities. The blush content of the glue directly affects the use of the tape. Normal sealing tapes have an initial adhesion of ≥ 13 (steel balls). The thickness of the tape glue is generally 22 microns. It is a standard thickness.
According to his effectiveness, the adhesive tape can be divided into: high-temperature tape, double-sided tape, insulation tape, special tape - pressure-sensitive tape, die-cut tape, and different functions are suitable for different industries.
Facial mask, a category of Skin Care products, is a carrier of beauty maintenance products, applied on the face for beauty functions such as hydration, moisturizing, whitening, anti-aging, balance oil and so on.
The principle of the mask is to use the short time covered in the face to temporarily isolate the outside air and pollution, improve the skin temperature, expand the pores of the skin, promote the secretion of sweat glands and metabolism, increase the oxygen content of the skin, and help the skin eliminate the products of the metabolism of epidermal cells and accumulated oil substances. The water in the mask penetrates into the cuticle of the epidermis. Skin becomes soft, skin naturally bright and elastic.
The form of facial mask is mainly mud paste type, tear type, jelly type, wet paper towel type four. Mud paste masks are common seaweed mask, mud mask and so on.Usually the woven mask can be applied for 10 to 15 minutes, the specific application time can be determined according to the instructions on the mask. It should be noted that the mask is not the longer the effect is better, if you find the mask instructions stipulated in the time, but the mask is still very wet, there is no need to continue to apply, because the effective ingredients in the mask have been fully absorbed by your skin, and then apply will not increase the effect.
Facial Mask,Face Sheet Mask,Collagen Facial Mask
DONGGUAN VOLES COMMODITY CO., LTD , https://www.volescommodity.com