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Ningde imported food grade glue direct selling

by:Sinograce Chemical     2020-10-31
Ningde direct import food grade rubber ningde on direct selling imported food grade rubber used as pressure sensitive adhesive polymer can be natural rubber, butyl rubber, butyl rubber, also can be all kinds of resin, acrylic resin, silicone, fluorine resin, etc. Packing books used in the production of hot melt adhesive, shall guarantee that the oxygen resistance, brine resistance, resistance to acid, alkali and a plastic. If only * with basic resin melt at certain temperatures have cohesive force, when the temperature drops, it will be difficult to wetting and penetration on paper, lose binding ability, cannot reach bonding effect; Adding tackifier can improve the liquidity of colloid and wettability of glued objects, improve the bonding performance, to achieve the required bond strength. Appearance white granular buff imported food grade rubber sheet ningde direct selling only late early viscosity and viscosity, hot melt adhesive and the adhesive material can remain stable. In the logistics transportation of hot melt adhesive, may also be dyed into new smells. Melting point ( ℃) 70 - 84, 65 - 78 ningde direct import food grade glue smell: odor gas + =. Synthetic wax ( PE or PP) , Buddha wax, etc. The viscosity of 2500 - 3500, 5500 - 6500 ningde imported food grade glue direct provide the pressure sensitive performance is the important soft monomer monomers, proportion in the copolymer, such as 2 - butyl acrylate and acrylic acid Ethyl ethyl ester is, can account for 85% of the total monomer mix. The choice of AIDS, should choose to ethylene vinyl acetate with appropriate proportion. Glue gun is to use the principle of heating melting glue and the glue, this feature makes the glue gun itself in part of the heating temperature is very high, must be protected when using, or exposed to high temperature part is easy. Hardness is 78 - 82, 65 - 75 viscosity regulator viscosity regulator is also the main auxiliary hot melt adhesive. This kind of resin is the main components of the production of hot melt adhesive, the proportion of basic resin, quality determines the basic properties of the hot melt adhesive, ( Such as adhesive bonding ability, melting temperature and the cohesive strength) 18 - generally choose the VA content 33, refers to ( MI) 6 - 800, VA content is low, the higher the degree of crystallinity increase hardness, same case VA content, low crystallinity increase elasticity, EVA melt refers to the choice is very important also, investment refers to the smaller illiquid strength high melting temperature of the adhesive wetting and permeability is quite poor. Ningde imported food grade glue direct marketing refers to the object itself or send out a smell smell. In the production process, hot melt adhesive may also have a new odor sources, through the production process control can achieve the goal of reducing odor.
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