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Polymeric MDIPoly[methylene(polyphenyl) isocyanate] is a diisocyanate-diphenylmethane(MDI)-based composition containing some higher functionality isocyanates. The functionality is about 2.6-2.7. It is a brownread more
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N,N-MethylenebisacrylamideN,N'-Methylenebisacrylamide (MBA) (CAS 110-26-9) ,is also known as methylene bis-acrylamide.It is white powder,odorless,minimal hygroscopicity.It is easy to self-crosslink in case of highread more
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N-Methylol AcrylamideN-Methylol Acrylamide (CAS:924-42-5) is also known as N-(Hydroxymethyl)acrylamide,It is white crystals,it is soluble in water and hydrophilic solvents,soluble in fatty acid lipids,almost insolubleread more
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99.8% Recrystallization 4,4’-OXYDIANILINE4,4'-Oxydianiline, is also known as 4,4'-ODA and 4,4'-Diaminodiphenylether, due to its structure containing two active amine groups, it can efficiently react with acid anhydrides to form stable imideread more
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Polyester Polyols For PolyurethanesPolyester polyols are an important material for the manufacture of polyurethane hard foam insulation, soft foam, adhesives, elastomers, paints, inks, sealants, leather resins, shoe resins, TPU, andread more
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Polyether Polyols For PolyurethanesPolyether polyols (PPG)are a class of macromolecular compounds formed by alkali-catalyzed polymerization of ethylene oxide, propylene oxide, or other epoxides.read more
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Toluene DiisocyanateToluene Diisocyanate (TDI 80/20) (CAS 26471-62-5) is a mixture of 80% 2,4-toluene diisocyanate (CAS: 584-84-9) and 20% 2,6-toluene diisocyanate(CAS: 91-08-7). It is used in the production of flexibleread more
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3,3’,4,4’-Biphenyl Tetracarboxylic Diandhydride3,3 ',4,4 '-Biphenyl tetracarboxylic diandhydride, also known as BPDA, CAS 2420-87-3, molecular formula C16H6O6, used in the production of polyimide products and composites, pharmaceuticalread more
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DiphenylmethaneDiphenylmethane (CAS 101-81-5), with a purity of 99.0% minimum, has aromatic properties and serves as an important intermediate in organic synthesis. It and its derivatives are widely used in variousread more
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Maleic AnhydrideMaleic anhydride (CAS 108-31-6), Purity 99.%min, we can supply Reach certificate.In stock.read more
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Phthalic AnhydridePhthalic anhydride (CAS 85-44-9), purity 99.5%. We can provide both OX-BASE PA and NP-BASE PA. Our OX-BASE PA exceeds the national standard for superior grade.read more
Diphenylmethane diisocyanate, commonly referred to as MDI, is a white to yellowish solid at room temperature with no odor. Polymeric MDI, which is more commonly used, is a mixture of MDI...
Apr 19, 2021 · Polymeric MDI (PAPI) is a dark-brown liquid with a weak odor, used in the production of polyurethane foams. It is a respiratory sensitizer and a potential carcinogen. See...
1.1.4. ‘Polymeric MDI’ The principal material of commerce is not pure 4,4′-methylenediphenyl diisocyanate but is a mixture containing 4,4′-methylenediphenyl diisocyanate, other methylenediphenyl...
PAPI™ 27 Polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI and is suitable for various foam processes. It is compatible with rigid polyether and polyester polyols...
Polymeric MDI is polymethylene polyphenylisocyanate, and is derived from the classic chemical reaction of carbonyl-chloride with aniline-formaldehyde condensate. The product has a narrow molecular...
Polymeric MDI is a mixture of monomeric MDI as well as larger molecular weight oligomers of MDI, and is a brownish liquid at room temperature and may have a slight odor. Commercial...
