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VP/VA64
LEAD FREE SOLAR MODULE
White or yellowish-white powder or flake solid, soluble in water, ethanol or methylene chloride. It is prepared by copolymerization of 1-vinyl-2-pyrrolidone and vinyl acetate in a mass ratio of 3:2. Strong plasticity, and does not affect the pressure of the tablet force change, can give the tablet good hardness, is the best dry adhesive applied to the direct tablet process.
English Abbreviation: VP/VA 64
CAS No.: 25086-89-9
α-Pyrrolidone
LEAD FREE SOLAR MODULE
α-pyrrolidone is a colorless liquid. The freezing point is 24.6℃, the flash point is 129.4℃, and the boiling point is 245℃. Miscible with water, low alcohols, low ketones, ethers, chloroform and benzene, insoluble in petroleum ether.
CAS No.: 616-45-5
NMP
LEAD FREE SOLAR MODULE
An organic solvent with strong polar that can dissolve with water and general organic solvents in any proportion. It has a series of excellent physical and chemical properties and is an efficient selective solvent with low toxicity, high boiling point, strong polarity, low viscosity, high solubility, good stability, and easy recovery.
English Abbreviation: NMP
CAS No.: 872-50-4
NVP
LEAD FREE SOLAR MODULE
It is a colorless or light yellow transparent liquid with a slight odor. It is easily soluble in water and many other organic solvents. It has active chemical properties and is easily hydrolyzed and polymerrized.
CAS No.: 88-12-0
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