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N-methylpyrrolidone(cas no:872-50-4), which is a relatively important chemical raw material, widely used in petrochemical, pesticide, pharmaceutical, electronic materials and other fields.
1. Industrial grade: lubricant refining, lubricating oil antifreeze, syngas desulfurization, electronic insulation materials, agricultural herbicides, pesticide additives, PVC tail gas recovery, high-grade coatings, inks, pigments and other additives and dispersants. For example, it is used for extracting aromatic hydrocarbons in lubricating oils to achieve refined lubricating oils; because NMP has greater solubility to resins, it can be used as a solvent for resin processing in the manufacture of coatings, floor paints, varnishes, composite coatings, integrated circuit enameled wires. Insulating materials, fiber fabrics and adhesives.
2, aramid grade: extraction and recovery of basic organic raw materials, such as acetylene enrichment and butadiene, isoprene, aromatics and other extraction. It can be used as a solvent for recovering acetylene from natural gas or light naphtha pyrolysis gas. The purity of concentrated acetylene recovered is 99.7%. As an extractant for separating and recovering high-purity butadiene from cracked C4 hydrocarbons, the recovery rate is 97. %, the recovered butadiene has a purity of 99.7%; it is used as an extractant for recovering high-purity isoprene from cracking C5 hydrocarbons, and the isoprene recovery purity is 99%; when it is used as an aromatic extractant, it has a high aromatic hydrocarbon Solubility and low vapor pressure, low extractant loss rate and high aromatics recovery rate.
3. Electronic grade: used as electrode auxiliary material for polymer lithium ion battery, LCD liquid crystal material production; solvent for polyvinylidene fluoride; etc.; and industrial detergent---cleaning chemical equipment, plugging, attachment and coating Layering, etc. Used as a solvent for polymers and polymerization. For example, a polymerization solvent for polymers such as insoluble engineering plastics (polyphenylene sulfide, polyimide, polyamide, polyurethane) and aramid fibers.
4, reagent grade: integrated circuits, hard drives and other industries that require strict control of metal ions and fine particles in the industry, such as degreasing, degreasing, dewaxing, polishing, rust, paint stripping, etc., such as photoresist removal solution, IC semiconductor industry Precision instruments, LCD liquid crystal materials, PCB printed circuit boards, hard disk cleaning; and artificial kidney function membrane liquid, seawater desalination membrane fluid and other pharmaceutical industries.
we are the main NMP supplier in China, we export the large quantity to usa, south america, for price or more information, pls feel free to contact with me at email@example.com