Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Lanxes-s LEWATIT S 8229 Ion Exchange Resin

Lanxes-s LEWATIT S 8229 is a high-capacity, gel-type strong acid cation exchange resin from Lanxes-s’s LEWATIT® series. Featuring uniform spherical beads and excellent chemical/thermal stability, it excels in water softening, demineralization, and industrial process applications requiring reliable Na+/H+ exchange performance under demanding conditions.
  • lanxes s lewatit s 8229 ion exchange resin_3af6b4f4
  • lanxes s lewatit s 8229 ion exchange resin_3af6b4f4

Features Of Lanxes-s LEWATIT S 8229 Ion Exchange Resin

  1. Highly selective for multivalent cations, especially Ca²⁺ and Mg²⁺, enabling superior hardness removal.

  2. Exceptional chemical and osmotic stability, ensuring long service life in demanding industrial water treatment cycles.

  3. Optimized bead uniformity and narrow particle size distribution for low pressure drop and consistent hydraulic performance.

  4. Low soluble organic carbon (SOC) leaching, meeting stringent requirements for pharmaceutical and electronics-grade water production.

  5. Regenerable with standard NaCl solutions, supporting cost-effective and sustainable operation.

Typical Applications Of Lanxes-s LEWATIT S 8229 Ion Exchange Resin

  1. Ultrapure water (UPW) systems for semiconductor manufacturing and microelectronics fabrication.

  2. Pretreatment of feedwater for high-pressure boiler systems in power generation plants.

  3. Pharmaceutical process water purification complying with USP <841> and EP 2.2.58 standards.

  4. Critical polishing step in laboratory-grade water systems requiring low conductivity and minimal ion breakthrough.

  5. Removal of trace heavy metals from wastewater streams prior to discharge or reuse.

Specifications Of Lanxes-s LEWATIT S 8229 Ion Exchange Resin

Chemical TypeStrong acid cation exchange resin, sulfonated polystyrene-divinylbenzene matrix
Product FormMoist, spherical beads
AppearanceAmber to light brown, translucent beads
Functional GroupSulfonic acid (–SO₃H)
Ionic FormNa⁺ form (standard supply)
Exchange Capacity (min.)1.8 mmol/mL (wet volume)
Moisture Content46–50 % (w/w)
Particle Size Range0.4–0.7 mm


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