Gamma-butyrolactone, a-pyrrolidone, n-methyl-pyrrolidone, polyvinylpyrrolidone, tnj products (gbl, nmp, 2-p, pvp), gamma-butyrolactone, a-pyrrolidone, n-methyl pyrrolidone (electronic), n-methyl pyrrolidone (industrial), polyvinylpyrrolidone k, povidone iodine, pvp/va copolymer, n-(hydroxymethyl)phthalimide, pvp-p polyvinylpyrrolidone, n-formylmorpholine, diethylene glycol dimethyl ether, n-vinylpyrrolidone (nvp).
Product Name:Realkoko Tri Color Contact Lenses Manufacturer New Three Tone 14 mm Contact Lens Green Ringlight Contact Lenses Material:HEMA, MMA, NVP, AIBN and colorant Power Range:From 0.00D to -6.00D, each step 0.25D;above -6.00D, each step 0.50D Water Content:40 % Base Curve (mm):8.40mm ~ 8.60mm Diameter (mm):14.00mm ~ 14.50mm Center Thickness:0.06mm ~ 0.12mm Disposal Period:within one year. Expiry Date:5 years Package:PP blister package
Vinylene Carbonate, Urea, Sodium hydroxide, Sodium carbonate N-Methylpyrrolidoneï¼?NMPï¼?, Acetonitrile, Carbohydrazide, Adipic acid Dimethyl sulfoxideï¼?DMSOï¼?, Lithium hydroxide, N-VinyPyrrolidone (NVP) 1,1,3,3-Tetramethylguanidine(TMG), Tetrahydrofuranï¼?THFï¼?, Allyl chloride, Hexamethyldisiloxane, Chloroacetyl chloride, Trichloroacetyl chloride Maleic anhydrideï¼?MAï¼?,Methacrylamide, Triethylamine, Fluoroethylene carbonate(FEC), bis(fluorosulfonyl)amide(LiFSI), polyvinyl alcoholï¼?PVAï¼? 1,4-butanediol, Lithium carbonate, Phenothiazine, Dichloromethane, Dichloroethane, 1,3-Propanesultone, Fluorobenzene, Lithium bis(oxalate)borate, Ethylene sulfateï¼?DTDï¼?, Pentafluorobenzene Boron trioxide, Isophthalic acid, Polyether polyol .
We are the famous manufacturer of pvb pva pvc from china. We can supply pvb sdw1a-3a etc. Pva 1788 pva 1799 pva 2488 2499 etc. 15kg per bag 25kg per bag etc
Cas: 96-48-0 Colorless liquid Pure: 99.9%min. Moisture: 0.01%max 200kg per steel or plastic drum
Cas: 872-50-4 Pure: 99.9%min Moisture: 0.01%max 200kg per drum
Cas: 616-4-5 Pure: 99.9%min Moisture: 0.1%max Strong solvent 200kg per steel or plastic drum
Colorless liquid Pure: 99.9%min Water: 0.01%max Cas: 2687-91-4 200kg per steel or plastic drum
Reddish powder Usp 26 Available iodine: 11.5% 25kg per fibre drum
Place of Origin:China Brand Name:Realcon Model Number:FA-71 Lenses Color:gray blue green brown purple Using Cycle Periods:Yearly Lenses Hardness:Soft Diameter:14.2 mm Center Thickness:0.06 -- 0.12 mm Color:13 colors Lens Hardness:Soft Using Cycle Period:Yearly Disposable Contact Lens Lens Design:Cast Molding Material:HEMA/NVP Base Curve:8.60mm Water Content:40% Power Range:S-0.00~5.00(0.25 step);S-5.00~10.00(0.50 step) Single package size: 4X2X7 cm Single gross weight:0.030 kg Package Type: Blister or Vial Packing
Products as polyurethane rigid foam system such as blend polyol for sandwich panel, grouts materials, coating .mdi, cyclopentane, polyurethane flexible foam such as polyol, tdi, surfactant, catalyst and additive for pu foam such as silicone, amine, stannous ocouate t9/d9/d19, color paste, harder, iodine, povidone iodine 10% powder, povidone iodine 20% powder, povidone iodine solution.povidone k15, povidone k17, povidone k25, povidone k30, povidone 90, nvp, nmp, machines such as home elevator, passenger elevator, dumbwaiter and elevator parts.
We produce and provide: Original 2 tone in gray, green, hazel, and blue Natural 2 tone in gray, green, hazel, blue, and white Original 3 tone in gray, green, hazel, and blue Romantic 3 tone in gray, green, light green, and blue Circle lens in black and brown Specifications are: Manufacturing technology: casting mold technologies Replacement frequency: monthly, 3 monthly Water content: 55%, 42% Lens material: heme, mma, nvp Base curve: 8.6mm Diameter: 14.2mm Geometrical center thickness: 0.08mm at -3.00d Uv blocking: 90% Special power: d0.00 to d-6.00 in 0.25 step D-6.50 to d-10.00 in 0.50 step. 2 pieces (pair) in a box.
Product character White amorphous and flowable powder, Easy to react with oxygen, Easily be hydrolyzed to methanol and sodium hydroxide at the presence of moisture or water, Decomposes in air above 126Soluble in methanol and ethanol, Insoluble in benzene and toluene. Packing, storage and transportation Mouth opened steel drum 100-110KG, drum 10 11bags drum, 10kg bag Store in cool and dry warehouse; Keep away from flame and heat; Separate from oxidant and acid during storage and transportation; Handle with care, and maintain the integrity of the packaging. Application Mainly used in pharmaceutical industry such as the manufacture of vitamin A1, Vitamin B1, sulfame-thoxypyridazine, sulfadiazine, trimethoprim and so on, as well as in biodesel industry. It also can be used as the edible catalyst and the analytical reagent.
The product has a molecular weight of 96.1.It is colorless transparent liquid. Melting point 42 . Boiling point 85 The refractive index nd20 is 1.4650. The relative density is 1.024. Insoluble in water, miscible with ethanol, ether, and benzene. It can be packed in ISO tank, stainless steel drum or general galvanized steel drum. This product should be stored in a cool, ventilated and dry place. Keep away from fire and heat. The storage temperature should not exceed 37 It can be used as electrolyte additive to improve product performance. It can also be used in pharmaceutical industry.
Sodium Methoxide is clear, colourless to slightly yellowish, viscous liquid, Â Molecular weight 54.024 Mainly used in the production of vitamin A1, vitamin B1, long-acting sulfadiazine, sulfadiazine, trimethoprim and other pharmaceutical industry, but also for biodiesel industry. It can also be used as catalyst and analytical reagent.
vinylene carbonate English Name: vinylene carbonate Chinese alias: 1,3-dioxane-2-one; Ethylene carbonate Molecular weight: 86.05 Melting point: 19-22 CAS: 872-36-6
CAS:79-04-9 It is mainly used as raw material of medicine and pesticide, especially in the production of herbicides such as Butachlor and alachlor Used in the preparation of amino acids and other organic compounds Chloroacetyl chloride is an important intermediate of pesticides. It can produce insecticides dimethoate and Omethoate, fungicides imazalil, metalaxyl and oxazolin, herbicides alachlor, acetochlor, Propionamide, butachlor, clomazide, isopropylachlor, metolachlor, sarbane phosphorus, phenothiachlor, etc.
Vinylene Carbonate
Fluoroethylene Carbonate
Chloroethylene Carbonate
