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Can PVC bags contain temperature?

Can PVC bags contain temperature?


The economic conditions of friends have changed over time with the passage of time. The progress of economic conditions has made more friends pay attention to the quality of life of their own. I want to make my life more convenient, so that all aspects are more and more intimate. PVC bags can meet the needs of a variety of friends, but there are still some problems with the use of such products. Of course, there is no problem in using such materials to keep the documents. It is moisture-proof and very waterproof, and will not allow internal materials to be received. Damage, but it is not a problem to install some foods with temperature. Will it produce toxins like other plastic products? The PVC bags can hold temperature things?

Since the pvc bag was originally pvc, pvc is a thermoplastic resin obtained by polymerizing vinyl chloride under the action of an initiator. It is a homopolymer of vinyl chloride, and a vinyl chloride homopolymer and a vinyl chloride copolymer are collectively referred to as a vinyl chloride resin.

Most of the PVC bags are non-toxic and harmless. Regarding the consumer manufacturers, they have stopped the factory inspection before they appeared, so there is no problem in quality.

Do not recommend friends to use such PVC material packaging bags to install hot water, because the high temperature of hot water will cause certain chemical changes in the product, although it will not form a lethal toxin but it is not conducive to well-being. The academic answer is this: pvc has no fixed melting point, 80-85 °C starts to soften, 130 °C becomes viscoelastic state, 160-180 °C starts to change into viscous flow state; has good mechanical properties, tensile strength 60MPa Left and right, impact strength 5 ~ 10kJ / m2; has excellent dielectric properties. However, the stability to light and heat is poor. When it is exposed above 100 °C or exposed to sunlight for a long time, it will be synthesized to produce hydrogen chloride, and further autocatalytic synthesis will cause discoloration, and physical and mechanical properties will also drop rapidly. In practice, it is necessary to participate. Stabilizers improve the stability to heat and light.

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