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Solution 
Technology 
Application 
Lewatit® S 1567
Lewatit® S 1567 by Lanxess is a food-grade, strongly acidic cation exchange resin with a gel structure, supplied in the Na⁺ form. It features monodisperse beads based on a styrene-divinylbenzene copolymer and is manufactured without the use of solvents. The product complies with stringent regulations such as FDA 21 CFR §173.25, making it suitable for drinking water and food applications.
Product features
- Monodisperse beads with a uniformity coefficient of 1.1 ensure high chemical and osmotic stability.
- High ion exchange rate enhances regeneration and service performance.
- Excellent utilization of total ion exchange capacity, ensuring long-term durability.
- Low rinse water demand.
- Homogeneous distribution of regenerants and water ensures optimal ion exchange zone performance.
- Nearly linear pressure drop gradient across full bed depth enables higher resin bed depths and more efficient system designs.
- Complies with international safety standards including: Kosher, Halal, RoHS, HACCP, FDA 21 CFR §173.25.
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Technical specifications
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Delivery form
Na+
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Functional group
Sulfonic acid
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Matrix
Styrenic
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Structure
Gel
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Appearance
Dark brown
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Uniformity coefficient (max.)
1.1
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Mean bead size (d50)
0.60 mm (± 0.05)
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Total capacity (delivery form)
1.8 eq/L (43.7 kgr/ft3)
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Lewatit® S 1567 by Lanxess (Germany) is highly regarded for its outstanding performance in water treatment applications. Below is detailed information about this product for your reference.
1. Physical and Chemical Properties of Lewatit® S 1567
Lewatit® S 1567 is a gel-type styrenic cation exchange resin with sulfonic acid functional groups, designed for enhanced ion exchange efficiency. With its uniform particle size, the resin optimizes flow characteristics, reduces pressure drop, and limits clogging in systems. More details on its physical and chemical properties are listed below:
| SPECIFICATION | VALUE |
| Bulk density for shipment (±5%) | 810 g/L (50.6 lb/ft3) |
| Density (approx.) | ≈ 1.28 g/mL |
| Water retention (delivery form, approx.) | ≈ 44 – 50% |
| Stability pH range | 0 – 14 |
| Storability temperature range | –20°C to +40°C (–4°F to 104°F) |
2. Operating and Regeneration Specifications of Lewatit® S 1567
Lewatit® S 1567 is designed to perform reliably across a range of operating conditions. The following tables outline the key operating and regeneration specifications provided by ATS Water Technology Co., Ltd.:
Operating specifications
| SPECIFICATION | VALUE |
| Operating temperature (max.) | 120°C (248°F) |
| Operating pH range (during exhaustion) | 5 – 8 |
| Minimum bed depth (single column) | 800 mm (31.5 inch) |
| Backwash bed expansion per m/h (20°C) | 4% |
| Specific pressure loss (at 15°C) | 1 kPa*h/m2 |
| Max. pressure loss during operation | 200 kPa (29 psi) |
| Max. specific flow rate | 40 BV/h (5 gpm/m3) |
Regeneration specifications
| SPECIFICATION | VALUE |
| NaCl regeneration concentration (approx.) | ≈ 8 – 12% |
| NaCl quantity (co-current, min.) | 100 g/L resin (6.3 lb/ft3) |
| NaCl quantity (counter-current, min.) | 70 g/L resin (4.4 lb/ft3) |
| Regeneration contact time (min.) | 20 minutes |
| Slow rinse at regeneration flow rate (min.) | 2 BV (15 gal/ft3) |
| Fast rinse at service flow rate (min.) | 2 BV (15 gal/ft3) |
3. Features of Lewatit® S 1567
Lewatit® S 1567 exhibits several outstanding features that enhance its performance in water treatment applications:
- Uniform bead size (Uniformity Coefficient 1.1) ensures excellent chemical and osmotic stability.
- High ion exchange kinetics promote optimal regeneration and service performance.
- Full utilization of exchange capacity supports long-term operational reliability.
- Reduced rinse water consumption helps lower operating costs.
- Even distribution of regenerant and rinse water improves ion exchange efficiency.
- Linear pressure drop across resin bed depth enables deeper beds for better system flexibility.
- High operational stability, even in systems that undergo regular disinfection.
4. Advantages of Lewatit® S 1567
Lewatit® S 1567 delivers numerous advantages:
- High ion exchange efficiency enables fast and effective water treatment.
- Lower rinse water requirements reduce overall water usage while maintaining regeneration efficiency.
- Stable pressure characteristics support smooth system operation.
- Excellent durability minimizes resin degradation and extends service life.
- Reliable disinfection resistance ensures consistent performance in frequently sanitized systems.
- Certified to key safety standards: Kosher, Halal, RoHS, HACCP, NSF/ANSI 61, and FDA 21 CFR §173.25—making it suitable for potable water and food-contact applications.
5. Certifications of Lewatit® S 1567
Lewatit® S 1567 is certified to the following major safety and quality standards:
- Kosher: Approved for food applications per Kosher guidelines.
- Halal: Certified for compliance with Halal food standards.
- RoHS: Meets EU standards limiting hazardous substances.
- HACCP: Complies with food safety risk management requirements.
- NSF/ANSI 61: Approved for potable water system use.
- FDA 21 CFR §173.25: Authorized for food and drinking water applications by the U.S. FDA.
For more information, please visit: Certifications for Lewatit® resins.
6. Applications of Lewatit® S 1567
Lewatit® S 1567 is widely used in various sectors, particularly in:
- Water softening systems: boiler feed water, reverse osmosis pretreatment, bottled water processing.
- Drinking water treatment: removal of hardness ions to improve water quality.
- Food and pharmaceutical industries: ensuring high-purity water in sensitive applications.
7. Where to Buy Genuine Lewatit® S 1567
ATS Water Technology Co., Ltd. is the official distributor of Lanxess (Germany) in Vietnam, supplying high-quality ion exchange resins, including Lewatit® S 1567, with verified origin.
All our products come with full Certificates of Origin (CO) and Certificates of Quality (CQ), complying with strict standards in the water treatment industry. Customers can rely on both the effectiveness and safety of our offerings.
With extensive experience in water treatment, ATS Water Technology Co., Ltd. not only supplies genuine products but also delivers innovative technology solutions and specialized technical consulting. We are committed to helping clients optimize their water treatment systems for high performance and cost-efficiency.
If you are looking for genuine Lewatit® S 1567 ion exchange resin, contact ATS Water Technology Co., Ltd. for expert advice and product support. We are dedicated to providing exceptional service, dependable quality, and customized solutions.
ATS WATER TECHNOLOGY CO., LTD
- Head office: 54/18 Bui Quang La, An Hoi Tay Ward, HCMC, Vietnam
- Branch office: 77 DHT10B, Dong Hung Thuan Ward, HCMC, Vietnam
- Consultation and support: (028) 6258 5368 – (028) 6291 9568
- Email: info@atswatertechnology.com
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