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201×7MB styrene series strongly basic anion exchange resin
201×7MB is a sort of anion exchange resin that has quaternary ammonium group [-N(CH3)3OH] in the styrene-diethylene benzene copolymer with 7% cross linking degree. It is used mainly to produce pure water and ultra pure water in the mixed bed system, with the characteristics such as excellent hydraulics trait and physical stability.
Executing standard:GB/T 13660–2008 DL / T 519–2014
Executing standard:GB/T 13660–2008 DL / T 519–2014
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- Description
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2.Typical Physical and Chemical Properties:
ITEMS DATA Appearance Flaxen to chryso spherical grain Ionic form Cl Moisture content % 42.00～48.00 The maximal regenerated capacity mmol/g ≥3.80 Strong function group exchange capacity ≥3.50 mmol/g Total exchange capacity mmol/ml ≥1.35 Shipping weight g/ml 0.67～0.73 True density g/ml 1.07～1.10 Particle size range % (0.40mm～0.90mm) ≥ 95 Lower limit size % (＞0.90mm) ≤1 The effective size mm 0.500～0.800 Uniformity coefficient ≤1.40 Sphericity after attrition % ≥90.00 3.Suggested Operating Condition
ITEMS Reference value PH range 1～14 Max.operation temperature in chlorine form℃ 80 Swelling upon complete conversion（Cl-→OH-）% ≤25 Working exchange capacity mmol/L ≥400 Working flow rate m/h 15～30
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