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Beijing industry glue

by:Sinograce Chemical     2021-02-23
How about glue? Beijing industry glue in Beijing [ 6] Product features look pale yellow viscous emulsion used to maintain good health can be divided into solvent pressure sensitive adhesive, pressure-sensitive adhesive water solution type pressure sensitive adhesive and emulsion pressure sensitive adhesive, hot melt pressure sensitive adhesive and rolling pressure sensitive adhesive, etc. Five types. Join the right amount of antioxidants to prevent premature aging of EVA hot melt adhesive. Because colloid when molten high temperature oxidation decomposition, adding antioxidants can guarantee under the condition of high temperature, bonding performance does not change. Defect is poor film-forming, washing fastness, PU can't stick hot glue. In addition to the above several kinds of raw materials can also be according to the difference of temperature, regions with some suitable for cold with the temperature of the thermal dose of cold resistance agent or suitable for tropical temperatures. ( 2] 3, checking and adjusting pur don't remove the moisture reactive polyurethane hot melt adhesive any parts of the machine unless you have enough knowledge of equipment performance. (4) from the cleaning fluid plastic brush, must use clean cloth to wipe dry rear can be used to besmear to brush glue; Hard monomers such as methyl methacrylate, these homopolymer Tg is higher, can enhance the cohesion strength of pressure sensitive adhesive, with the increase of the hard monomers, the viscosity increase of the pressure sensitive adhesive peel strength increases, the early viscous force will be reduced. Product selection industry how to use glue points: Beijing can be divided into filter hot melt adhesive, automated packaging hot melt adhesive, car interior with hot melt adhesive, hot melt adhesive label, adhesive tape, hot melt glue, hot melt adhesive, etc. A, the color of the glue is supposed to have the difference. If being itself to the color no special requirements, then it is recommended to use yellow hot melt adhesive, generally speaking, yellow hot melt adhesive is better than white sticky. How about Beijing industry glue 9, in press pur hot melt glue machine pressure plate into plastic barrels, may be appropriately on the seal of the pressure plate apply a small amount of silicone oil lubrication, lubrication, between the pressure plate and rubber barrel to protect the use of the seal ring. Second, by then surface treatment. Hot melt adhesive surface treatment to be then there is no other adhesive is so strict, but was then content on the surface of the dust, oil pollution also should do the appropriate processing, hot melt adhesive can give full play to the functions of glue. How about Beijing industry glue according to the provisions of GB/T 2792. Functional monomer is acrylic acid, acrylamide, maleic anhydride monomer, such as they join the introduction of polar groups in the middle of the copolymer, the electronic effect of polar group enhanced the copolymer and the polarity by bonding surface bonding of sex. Products with good flexibility, folding, no crack viscosity 3000 ~ 5000 mpa. S health and safety of 20 kg, 50 kg bottled please don't mix with other products, not finished product should be kept sealed. Three, homework time. Homework is an important characteristic of hot melt adhesive quickly. Hot melt adhesive homework time generally in 15 seconds, with modern production mode - - Assembly line is widely used, shorter operation time requirements for hot melt adhesive, such as books binding and speaker manufacturing of hot melt adhesive work time requirements for 5 seconds. Beijing industry like this kind of adhesive glue if do ordinary families, the quality is not important. If it is used in the industrial field, requires attention to quality, so how to determine the quality of the hot-melt adhesive? Material as the temperature rises, the volatile gas concentration grows, are smell the smell of the heavier, vice scent is light. Beijing - oxide industry glue - Reduction system is made up of two or more components. (3) found plastic brush with agglomerate, gel, use boiling water to remove immediately now there are a lot of coating is done with water soluble glue, such as general water soluble PA, water soluble PU and leather adhesive, oil wax feeling, the feeling of color paste and other functional material.
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