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Nanyang PUR adhesive industry complaints

by:Sinograce Chemical     2021-02-18
Nanyang PUR glue complaints nanyang industry PUR glue complaints test principle for 25 mm in width and thickness of 0. 07 mmBOPP( Two-way stretch polypropylene film) Membrane evenly coated with a layer of adhesive solution, in the oven drying under 100 ℃ for 5 min, then take place after 30 min wash paste in the drying of stainless steel sheet, with heavy compaction, and then in the oven drying under 50 ℃ for 5 ~ 7 min. 5, good quality hot melt adhesive with heat resistance performance, can put the hot melt adhesive in zero or more than 40 degrees respectively environment for testing, if there are brittle, soft gelatin said quality is bad now. Aerospace industry (2) with the floor of the lining board and ceiling and purlin and rafters adhesive, have the effect of butyl girder; (3) the quality of the glue is light and good durability. At present good quality hot melt adhesive can be used in the field of industrial manufacturing, heat resistance performance and flame retardant performance is guaranteed, the current can reach the quality requirements must be big brand products, such as ke, Moore, focus on the study of the hot melt adhesive, provide customized hot melt adhesive application solutions, wide range of USES, can be applied to new energy, military industry, aviation, shipbuilding, electronics, automobiles, instrument, power supply, high iron, and other areas of the industry. If used in food packaging, it shall comply with food hygiene requirements. Hot melt adhesive is the basic resin of ethylene and vinyl acetate copolymerization under high temperature and high pressure, which EVA resin. Although some hot melt adhesive at the time of operation will be some smell, but is completely disappeared after curing, so the hot melt adhesive is safe, can be used in electrical parts of adhesive. Melting temperature: 120 - 160℃4. Have a higher resistance to tear strength and superior electrical properties; Acrylic adhesive is a kind of structural adhesives, cement with wide range, including most types of plastic, slightly and do not make processing of metal processing. 1, EPE packaging industry, electrical appliances, shockproof anti-throw EPE packaging materials packaging assembly parts, electrical appliances manufacturer for rubber end users without peculiar smell, and in the production of EPE packaging manufacturer assembly process, coating machine is open, a local heating temperature is high, production workers allergic to special smell, think there's a smell is poisonous, the influence is healthy, require a safe working environment, so the smell of extremely strict requirements are put forward for hot melt adhesive, require hot melt adhesive has no smell. Nanyang PUR adhesive industry complaints generally between $100 and a melting point 200 ℃ between high molecular weight linear saturated cool is used for preparation of vinegar, hot melt adhesive machine manufacturing together there are many kinds of catalyst of vinegar. Flexible can be good to very good, the weather. 2, sanitary products industry: in recent years, the baby diapers, sanitary napkin, adult MATS and other health care products industry puts forward very high requirements on the smell of hot melt adhesive, require hot melt adhesive has no smell. Along with the development of society and economy, people more and more rich, the quality of our products have higher requirements, combined with the present status of a Chinese have only one child, who all hope that their children can enjoy the treatment, even if the baby diapers, also hope that the children can use safety, and the smell of the product is absolutely not acceptable. So in order to cater to the terminal customers, health supplies manufacturers require health supplies of raw materials manufacturers of materials, which is understandable. The choice of AIDS, should choose to ethylene vinyl acetate with appropriate proportion. Very good flexibility at low temperature, the operating temperature of 250 of ( 121oC) 。 The selection of catalysts for nanyang PUR adhesive industry complaints not only depends on the type of monomer, but also depends on the glue drilling agent application.
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