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(HPMA) Hydrolyzed Polymaleic Anhydride |
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(NITRILOTRIS(METHYLENE))TRIPHOSPHONIC ACID |
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Polymaleic Anhydride |
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26099-09-2 |
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HPMA shows good scale inhibition (98%) and scale stripping properties. When used together with organic phosphonate in circulating cool water system, oilfield fill water, crude oil dewatering and low-pressure boilers, the dosage of 1-15ppm is preferred. When used together with zinc salts, it can effectively inhibit carbon steel corrosion. |
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Appearance:Clear to umber transparent liquid Solid content %:48.0 min CAS No. 26099-09-2 Bromine value mg/g 80.0 max Average molecular weight:450 min pH(1% solution):2.0-3.0 Density (20¡É)g/cm3 1.18 min
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