Cation Resin Exchange Brand DOWEX,สารกรองน้ำเรซิ่นยี่ห้อ DOWEX,Resin Dowex ,สารกรองน้ำเรซินดาวเว็กซ์(นำเข้าจากประเทศอเมริกา)

Resin Dowex สารกรองน้ำเรซิ่น Dowex Model HCR S/S(นำเข้าจากประเทศอเมริกา)

Cation Exchange Resin
Product Data Sheet

Dowex Model HCR S/S is a gel type strongly acidic cation exchange resin of the sulphonated polystyrene type. IT is used for industrial water softening (in Na+ form) in co-flow regenerated units. Its principal characteristics are excellent physical, chemical and thermal stability stability, good ion exchange kinetics and high exchange capacity.


Properties

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Matrix styrene divinylbenzene
Functional groups sulphonates
Physical form beads
Ionic form as shipped Na+
Total exchange capacity 1.9eq/L (Na+ form)
Moisture holding capacity 45 to 50 %(Na+ form)
Shipping weight 770 to 870g/L
Specific gravity 1.25 to 1.29(Na+ form)
Particle size
Uniformity coefficient <1.7
Fine contents <0.315mm: 1.0% max
Maximum reversible swelling Na+ ---> H+: 10%
Chemical resistance Insoluble in dilute solutions of acids
or bases and common solvents


Suggested Operating Conditions

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Minimum bed depth 800mm
Service Flow rate 5 to 50 BV/h
Regenerant HCI H2SO4 Nacl
Level (g/L) 50 to 150 60 to 240 80 to 250
Concentration (%) 5 to 8 0.7 to 6 10
Flow rate (BV/h) 2 to 5 2 to 20 2 to 8
Minimum contact time 30 min
Slow rinse 2BV at regeneration flow rate
Fast rinse 2 to 4 BV at service flow rate


Limits of Use

Dowex Model HCR S/S is suitable for industrial uses. For other specific applications such as pharmaceutical, food processing or potable water applications, it is recommended that all potential users seek advice from Rohm and Haas in order to determine the best resin choice and optimum operating conditions.
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