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Authorized food-grade plastic dealers in Lhasa

by:Sinograce Chemical     2021-02-04
Authorized food-grade plastic dealers in Lhasa Lhasa authorized dealers food-grade plastic smell: odor gas + =. Packing books gas is gas, volatile matter, it is a substance that is usually small molecules, so easy to turn into gas. 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. Appearance white granular pale yellow flakes Lhasa authorization food-grade resin glue distributor of pressure sensitive adhesive glue with rosin ester, phenolic resin, petroleum resin, etc. Tackifier viscosifier is the main assistant EVA hot melt adhesive. Melting point ( ℃) 70 - 84, 65 - 78 authorized dealers food-grade plastic soft monomer in Lhasa is one of the important monomer, provide pressure sensitive performance of big in the copolymer, such as 2 - butyl acrylate and acrylic acid Ethyl ethyl ester is, can account for 85% of the total monomer mix. Viscosity regulator viscosity regulator is also the main auxiliary hot melt adhesive. The viscosity of 2500 - 3500, 5500 - 6500 authorized dealers food-grade plastic smell is people in Lhasa external material object is a feeling, different people have different feeling to the same kind of material, is used to eating by people, work experience, education degree, personal preferences, the influence of such factors as the smell of a like another person may hate, a people hate the smell of others can be very like, it's for all tastes. Taste is sensory perception, be equivalent to sensors, refers to the molecule in the senses ( Sensor) After the surface produce the quantity change ( Physical quantities can be electric, magnetic, optical, length or volume, ion flow, molecular flow, etc. ) Through to the CPU (the signals produced by, The brain) 。 Hardness is 78 - 82, 65 - 75 when use heating molten to liquid, and after cooling solidification can guarantee a certain cohesion strength, its disadvantages as high energy consumption in use process, and adhesive body often contain a double bond, so the heat resistance, easy to oxidation. Lhasa authorization food-grade plastic dealers even ready to protect measures also need to be careful in use process, avoid. Its role is to increase liquidity in colloid, solidification speed regulation, to achieve the purpose of strong rapid binding, hot melt adhesive for big and won't be able to or not easy flow, difficult to penetrate into the book, is not to be strong.
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