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201 × 7MB is a kind of anion exchange resin with quaternary ammonium group [- n (CH3) 3OH] on the 7% styrene divinylbenzene copolymer. Its basicity is equivalent to that of ordinary quaternary amine base, and it shows ion exchange function in acid, neutral or even basic medium. The product has good mechanical strength and high heat resistance.
Product Name: 201×7MB Styrene Series Gel Strong Base Anion Exchange Resin
1. Product introduction
201 × 7MB is a kind of anion exchange resin with quaternary ammonium group [- n (CH3) 3OH] on the 7% styrene divinylbenzene copolymer. Its basicity is equivalent to that of ordinary quaternary amine base, and it shows ion exchange function in acid, neutral or even basic medium. The product has good mechanical strength and high heat resistance.
Equivalent to foreign brands: American: Amberlite IRA-400; Japanese: SA-10A; Dowex SBR; Purorite A600
2. Physical and chemical performance indicators
|
Product |
201×7MB |
|
Resin structure |
Styrene divinylbenzene |
|
Appearance |
Colorless to yellowish globular granules |
|
Functional group |
–N+(CH3)3 |
|
Mass exchange capacity (mmol/g) |
≥3.60 |
|
Volume exchange capacity (mmol/ml) |
≥1.35 |
|
Particle size range % ≥95 |
0.40-0.90mm |
|
Moisture content (%) |
42-48 |
|
Specific density (g/ml) |
1.07-1.10 |
|
Bulk density (g/ml) |
0.67-0.73 |
|
Sphericity after attrition |
≥90% |
|
Reversible swelling (%) |
Cl-→ OH- 18-22 |
|
Factory form |
Cl- |
3. Uses
It is mainly used for preparation of pure water and high-purity water, extraction and decolorization of biochemical products, wastewater treatment, separation of organic matters, extraction of radioactive elements and extraction of tungsten and molybdenum in hydrometallurgy. 201x7MB is the first choice of mixed bed unit.