Datasheet summary
LEWATIT® ASB 1 P
PDF datasheet mirror for LEWATIT® ASB 1 P (Lanxess LEWATIT). Verify with OEM before design.
Summary
Product Identification
Lewatit® ASB 1 P is a premium grade, gel, strong base type I anion exchange resin. It is produced on the basis of a cross-linked styrene divinylbenzene polymer and supplied in the form of spherical beads.
Operating Limits
- Stability pH range: 0-14
- Operating temperature: max. 70 °C
- Operating pH range during exhaustion: 0-12
- Max. pressure loss during operation: 200 kPa
Feed Water and Operation
- Bed depth for single column: min. 800 mm
- Bed depth per component in mixed bed: min. 500 mm
- Backwash bed expansion per m/h (20°C): 11 %
- Specific pressure loss (15°C): 1 kPa*h/m²
- Specific flow rate: max. 60 BV/h
Regeneration
- NaOH regeneration concentration: approx. 2-6 wt. %
- NaOH regeneration quantity (co-current): min. 80 g/L resin
- NaOH regeneration quantity (counter-current): min. 50 g/L resin
- Regeneration contact time: min. 20 minutes
- Slow rinse at regeneration flow rate: min. 2 BV
- Fast rinse at service flow rate: min. 2 BV
Product Properties
- Common Description: Chloride form (Cl⁻)
- Functional group: Quaternary ammonium, Type 1
- Matrix: Styrenic
- Structure: Gel
- Appearance: Yellow, translucent
- Uniformity coefficient: max. 1.6
- Effective size (d₁₀): 0.44-0.56 mm
- Total capacity (delivery form): min. 1.3 eq/L
- Bulk density for shipment (+/- 5%): 720 g/L
- Density: approx. 1.1 g/mL
- Water retention (delivery form): approx. 49-56 % weight
- Volume change (Cl⁻ - OH⁻): max. approx. 20 %
- Storage time (after delivery): max. 2 years
- Storage temperature range: -20 - +40 °C
Additional Information & Regulations
- Safety precautions: Strong oxidants, e.g. nitric acid, can cause violent reactions. Observe the safety data sheet.
- Disposal: According to European waste nomenclature.
- Storage: Recommended above freezing point, under roof, dry, out of direct sunlight. If frozen, thaw gradually at ambient temperature.
- Packaging: Packaging stability limited to 24 months under recommended storage conditions.
Disclaimer: This extraction may miss figures, footnotes, or revisions; contractual data must match the OEM PDF revision used on the project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.