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Formaldehyde

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ISO Certified Reference Material Purity Degree 99% Formaldehyde Sodium Bisulfite CAS 870-72-4: Items Standard Appearance Should be white or off white powder melting point 190-210 ℃ Infrared The infrared absorption spectrum of this product should be consistent with the reference spectrum ...

Cas 89-32-7 Pyromellitic Dianhydride: Applications: Used in the manufacture of polyimide resins, which are used as raw materials for high-temperature resistant electrical insulating varnishes. Also used to produce epoxy resin curing ...

ISO Certified Reference Purity Degree 99% Polyethylene Glycol CAS 25322-68-3: Formaldehyde ≤ 15ppm Ethylene oxide ≤ 1ppm Dioxan ≤ 10ppm Free ethylene oxide ≤ 10ug/g 1,4-dioxane ≤ 10ug/g Water ≤ 1.0% Sulfated ash ≤ 0.2% Residue on ignition ≤ 0.1% Freezing point ...

Raw Powder Wholesale Purity Degree 99% Sorbic Acid CAS 110-44-1: formaldehyde) ≤ 0.1% Arsenic (as AS) ≤ 2mg/kg Lead ≤ 2mg/kg Mercury ≤ 1mg/kg Heavy metals(as Pb) ≤ 10mg/kg FQA: Q1 Can i get some samples A1 Yes, we can supply the free sample, but the ...

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ISO Certified Reference Material Purity Degree 99% Formaldehyde Sodium Bisulfite CAS 870-72-4