We offer kinds of special chemicals (monomer) for some special application area.
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Functional Chemical PAPI: Polymeric MDI
Description PAPI consists of pure-MDI and polymerized-MDI. It is used in applications such as rigid, semi-rigid, and integral skin foams, as well as coatings, adhesives and elastomers. Type Pure-MDI and polymerized-MDI Typical properties Item PAPI 27 PAPI 135C PAPI 135 Function 2.7 2.7 2.7 NCO Content(%) 31.4 31.4 31 NCO Equivalent 134 131.3-140.1 135.5 Molecular Weight 340 340 340 Acidity HCl (mg/Kg) 170 170 100 Viscosity (25℃) (mPa s) 150-220 180-220 150-220 Density (25℃) 1.23 1.23 1.23 Application Widely used for the production of elastomers, artificial and synthetic leather, spandex (polyurethane fibers), shoe soles, coatings, and adhesives. Storage and handling Available in 250kg/drum Store products in tightly closed original containers at 5-35℃ Shelf life: 12 months from delivery date According to non-dangerous goods transport
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Tetramethylammonium hydroxide aqueous TMAH-25
Typical Properties CAS No. 75-59-2/10424-65-4 Chemical formula (CH3)4NOH·5H2O Appearance Colorless transparent liquid Specific Gravity @ 20℃ 1.021 Item Unit Min Max Assay % 24.90 25.10 Color Hazen 5 CO32- (Carbonate) ppm 100 Cl- ( Chloride ) ppm 0.1 CH3OH (Methanol) ppm 40 Li (Lithium) ppb 5 Na (Sodium) ppb 10 Mg (Magnesium) ppb 5 Al (Aluminum) ppb 10 K (Potassium) ppb 10 Ca (Calcium) ppb 10 Cr (Chromium) ppb 5 Mn (Manganese) ppb 5 Fe (Iron) ppb 5 Ni (Nickel) ppb 5 Co (Cobalt) ppb 5 Cu (Copper) ppb 5 Zn (Zinc) ppb 5 Mo (Molybdenum) ppb 5 Cd (Cadmium) ppb 5 Pb (Lead) ppb 5 Ag (Silver) ppb 5 Particle >0.5um Ea/ml 100 APPLICATION l The catalyst of dimethyl silicone oil, benzyl methyl silicon oil, organic silicon diffusion pump oil, solvent-free silicon molding plastics, silicon rubber for organic silicone resin. l Ash-free alkali for precipitating lots of metal elements. l Brightener cleaner and touch cutting agent for computer silicon wafer surface during the production of silicon wafer. l Widely used in electronic industry, especially as positive resister developer, silicon wafer wet etchant and super clean solution for CMP process. Also used in the manufacture of integrated circuits, liquid crystal displays, printed circuit boards, capacitors, sensors, and many other electronic components. Storage and Handling l Available in 25 kg/barrel l Store products in tightly closed original containers at 5-40℃ l Shelf life: 12 months from delivery date l According to non-dangerous goods transport
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CAS No. 75-59-2/10424-65-4 Tetramethylammonium hydroxide aqueous TMAH-238
Typical Properties CAS No. 75-59-2/10424-65-4 Chemical formula (CH3)4NOH·5H2O Appearance Colorless transparent liquid Specific Gravity @ 20℃ 1.021 Item Unit Min Max Assay % 2.378 2.382 Color Hazen 5 CO32- (Carbonate) ppm 80 Cl- ( Chloride ) ppm 0.1 CH3OH (Methanol) ppm 40 Li (Lithium) ppb 5 Na (Sodium) ppb 10 Mg (Magnesium) ppb 5 Al (Aluminum) ppb 10 K (Potassium) ppb 10 Ca (Calcium) ppb 10 Cr (Chromium) ppb 5 Mn (Manganese) ppb 5 Fe (Iron) ppb 5 Ni (Nickel) ppb 5 Co (Cobalt) ppb 5 Cu (Copper) ppb 5 Zn (Zinc) ppb 5 Mo (Molybdenum) ppb 5 Cd (Cadmium) ppb 5 Pb (Lead) ppb 5 Ag (Silver) ppb 5 Particle >0.5um Ea/ml 100 Application -Brightener cleaner and touch cutting agent for computer silicon wafer surface during the production of silicon wafer. -Widely used in electronic industry, especially as positive resister developer, silicon wafer wet etchant and super clean solution for CMP process. Also used in the manufacture of integrated circuits, liquid crystal displays, printed circuit boards, capacitors, sensors, and many other electronic components. Storage and handling -Available in 25 kg/barrel -Store products in tightly closed original containers at 5-40℃ -Shelf life: 12 months from delivery date -According to non-dangerous goods transport
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Polydimethyl silicone oil SI-1000
Polydimethylsiloxane with a viscosity of approx. 1000 mPa.s. Due to its chemical structure, it has an outstanding property profile, which sets it apart from organic materials such as mineral oils.
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Sodium N-(2-aminoethyl)aminoethanesulfonate [34730-59-1]
Sodium N-(2-aminoethyl)aminoethanesulfonate is an aqueous solution of a sodium salt of an amino functional sulfonic acid. It contains a primary and a secondary amino group and combines the properties of an emulsifier and a chain extender in the production of aqueous PUR/water based polyurethane (WPU) dispersions.
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Tetramethylammonium hydroxide TMAH-99
Typical properties CAS No.: 10424-65-4 Chemical formula: (CH3)4NOH·5H2O Molecular weight: 181.15 Melting Point(℃): 63 Form: White solid powder Purity (%): >99.5 Boiling Point (℃): 100.0 Freezing point (℃): <-25.0 Viscosity@ 25℃, cst: 2.8 Specific Gravity @ 20℃: 1.021 Flashpoint (Pensky Martens), °F: >95 pH: >13 Application -The catalyst of dimethyl silicone oil, benzyl methyl silicon oil, organic silicon diffusion pump oil, solvent-free silicon molding plastics, silicon rubber for organic silicone resin. -Ash-free alkali for precipitating lots of metal elements. Brightener cleaner and touch cutting agent for computer silicon wafer surface during the production of silicon wafer. -Widely used in electronic industry, especially as positive resister developer, silicon wafer wet etchant and super clean solution for CMP process. Also used in the manufacture of integrated circuits, liquid crystal displays, printed circuit boards, capacitors, sensors, and many other electronic components. Storage and handling Available in 25 kg/drum Store products in tightly closed original containers at 5-40℃ Shelf life: 12 months from delivery date According to non-dangerous goods transport
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