Adhesive composition and application

Adhesive is a substance used to bond or join various objects or materials. It can be used to bond wood, paper, glass, ceramics, metals, plastics, rubber, etc. in packaging, printing, footwear, clothing, electrical appliances. , construction, decoration, automotive, aviation, furniture, medical and other aspects have a wide range of applications.

The binder is mainly composed of a binder (synthetic resin, rubber, etc.), and further contains a solvent, a curing agent, a plasticizer, a filler, a tackifier, a preservative, and the like.

Common adhesives such as paste for sticking paper, glue; adhesive for bonding wood, plastic, epoxy resin, phenolic resin, etc. The used table tennis is cut into pieces and placed in a mixed solvent of acetone and ethyl acetate. After stirring and dissolving, a milky white gelatinous solution can be obtained, commonly known as "table tennis glue", which is used to fix the broken ping pong. Ball and adhesive for making aviation models. A "polyvinyl chloride binder" which is commercially available is formed by dissolving a polyvinyl chloride resin in a mixed solvent of chloroform and cyclohexanone. It is mainly used for the bonding of hard or soft PVC plastic products, such as the adhesion of PVC floor glue to decorative board, the bonding of PVC water pipes, etc. It can also be used to repair raincoats and plastic sandals. The broken yarn of the cotton fiber-6 is dissolved in a mixed solvent of chloroform and phenol, and can be made into a nylon product adhesive for sticking nylon clothing. "Rubber water" which is used daily for repairing bicycle inner tubes or other rubber products is about 5% of a rubber solution in which natural rubber is dissolved in benzene. In use, the perforated inner tube and the subsidized film are wiped with sandpaper and the surfaces thereof are roughened, and then a thin layer of the glue is applied separately, and then they are pasted together after being slightly dried. The plexiglass crumb is dissolved in chloroform to obtain a plexiglass adhesive for adhering the plexiglass article.

Many adhesives are extremely flammable and toxic, and must be used with fire and hygiene.


Cosmetics are any parts of the surface of the human body, such as skin, hair, nails, lips, etc., applied by smearing, spraying or other similar methods to achieve cleansing, maintenance, beauty, modification and change of appearance, or to correct the body odor, to maintain A chemical industrial product or a fine chemical product for the purpose of good condition. The high quality cosmetics we produce mainly include skin care products, clean products and beauty products.

Skin Care ProductsWoman CosmeticsHigh Quality Cosmetics

The Role of Makeup

1, The role of skin care beauty: makeup is to beautify the face. For example, the use of nutritious cosmetics can make the skin smooth and beautiful; use the foundation cream to adjust the color of the skin; the eyebrows can change the shape of the eyebrows; the eyes can be soft and beautiful; the blush can make the face radiant and rosy.

2, The role of bodybuilding and fitness: makeup can not only Fu Yan beauty, but also protect the skin. For example, using sunscreen can protect the skin from the sun's irritation and damage; use the massage cream to increase the elasticity of the skin, and the skin at the level is aging; use the toner to make the pores of the face shrink, smooth and delicate. It can be seen that health and beauty are dialectical unity.

3, The role of correction of defects: the use of makeup to compensate or correct facial defects is one of the important role of beauty makeup. Make-up can make the collapsed nose and nose appear, the long nose is short, the short nose is long; the eye shape can be corrected, the small eye is large, the hanging eye or the drooping eye is positive; the lipstick can make the thin lips plump and the thick lips thin The blurred lip shape becomes clear and so on.

 

Makeup And Skin Care

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