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Ningbo fule packaging adhesive contact way

by:Sinograce Chemical     2021-02-14
Ningbo fule packaging plastic contact ningbo fule packaging plastic contact 1, install pressure disc pur hot melt adhesive machine, must be correct through a effective grounding line. Oily coating adhesive is oily solvent ( Toluene, DMF, butanone, etc. ) As a solvent, dissolve or polyurethane acrylate. Its advantage is good film forming, good color fastness, PU can stick hot glue, is the current commonly used coating glue. Defect is due to the use of the oily solvent, so environmental protection lacking a bit, especially now that oil prices, oil solvent prices soaring all the way, most of the coating glue due to the cost is too high, so use more bad of the oily solvent, leading to environmental protection is not up to standard, in addition with the national environmental standards to further improve, so for environmental requirements of the coating adhesive is higher and higher. Compared with other pressure sensitive adhesive, acrylate pressure sensitive adhesive with the following features: almost without adding stabilizer has excellent weather resistance and heat resistance; No phase separation and migration phenomenon, good transparency, good oil resistance; No effect to the skin, suitable for field. It on the glass, aluminum alloy, galvanized steel, stainless steel and other materials have good adhesive properties. Hot melt adhesive is a kind of plastic adhesives, to a certain temperature range with the temperature change and change its physical state, and chemical properties unchanged, its non-toxic tasteless, environmentally friendly chemical products. Is the use of hot melt glue by heating the hot melt adhesive, hot melt adhesive machine melt glue after become a kind of liquid, by hot melt adhesive machine hot melt rubber hose and hot melt glue gun, to be adhesive surfaces, hot melt adhesive cooling after completed the glue. Lining cloth processing general requirement for hot melt adhesive is a colorless, odorless, texture soft, rapid bonding, resistance to wet and dry wash, cannot have an effect on fabric, light resistance, etc. Water-based glue process characteristics of the use of hot melt adhesive technical indicators are as follows: appearance: white is slightly yellow granular or stick. (1) using water-based glue, in line with the shoe industry, a long-term trend in brands actively, water-based adhesive has been widely used all kinds of shoe factory, water-based glue quality gradually progress and stability; Ningbo fule packaging adhesive contact melting point - 48. 2℃。 Due to its extremely low water vapor transmittance, it can form a with elastic sealant excellent resistance to moisture system. (2) use water-based glue will lead to environmental protection, health, save energy, save cost of equipment and manpower, fire safety, etc; Search the public number: WPU - 88 China adhesive platform 8 (3) cost: water-based glue consumption is 1/3 of solvent-based glue, if the water 3 times of unit price shall not exceed the solvent adhesive, replace solvent-based adhesive with water-based glue will not increase costs, as oil prices rise, the cost of the solvent adhesive is bigger than water-based glue rise, in the long run, water-based glue process cost lower than that of solvent adhesive process. 7 - 2%. 2. Water-based glue all need to have any use of the high voltage equipment grounding line, not use ground wire, any pur polyurethane hot melt adhesive machine have insulation protection components, there are still might form voltage conductor, happen to get an electric shock. Such as water soluble or decentralized hot melt adhesive, hot melt sealant, hot melt pressure sensitive adhesive and so on. The former main characteristic is that improve the hot melt adhesive high temperature resistant characteristics, improve the softening point to more than 120 ℃, thus expanding the scope of its use; Functional hot melt adhesive is for a particular occasion, can realize specific functions to meet the needs of all aspects. Ningbo fule packaging adhesive contact very slightly soluble in water, soluble in many organic solvents. Hot melt butyl sealant in relatively wide temperature range its plasticity and sealing, and the surface cracks, the same hard.
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