Ethylene Vinyl Acetate Factory supplier EVA resin EVA material 18%28% EVA
2022-07-18
Cas number 9003-20-7 Molecular formula [CH2CHCOOCH3] n Molecular weight Alias polyvinyl acetate POLY (VINYL ACETATE) Colorless viscous liquid or light yellow transparent glass-like particles, Pvc Resin odorless, tasteless, tough and plastic. The relative density d420 is 1.191, the refractive index is 1.45 to 1.47, and the softening point is about 38 ° C. It is not miscible with fat and water, but miscible with ethanol, Acetic Acid, acetone, Ethyl Acetate. Ethylene-Vinyl Acetate Stable to light and heat, heating above 250 ℃ will decompose acetic acid. Boric Acid Flakes There is no acute poisoning in oral administration of 10g / kg in mice, Adl 0 ~ 20mg / kg (Shanghai). The product is used as gum gum base material, and our country stipulates that it can be used to emulsify flavors and gum gum. The maximum usage is 60g / kg. It is used to make toy velvet and non-woven fabric. It is used as raw material for polyvinyl alcohol, vinyl acetate-vinyl chloride copolymer, and vinyl acetate-ethylene copolymer. It is also used to prepare coatings and adhesives. It is mainly used as coatings and adhesives. , Paper, chewing gum base and fabric finishing agent, it can also be used as the basic gum base of the raw material gum of polyvinyl alcohol and polyvinyl acetal; the fruit coating agent can prevent the evaporation of water and play a role in keeping fresh.
