CG8 BL

Summary

Product identification

• Product Name: CG8-BL
• Product Type: Strong Acid Cation Resin
• Polymer Matrix: Styrenic Gel
• Crosslinking: 8%
• Functional Group: Sulfonic Acid
• Ionic Form: Sodium
• Color: Dark Brown to Black (Black Polystyrenic Gel)
• Revision: 1.2

Typical Properties & Physical Characteristics

• Physical Form: Spherical Beads
• Particle Size: 16 to 50 US Mesh (297 - 1190 μm)
• % < 50 mesh (300µm): < 1%
• Minimum Sphericity: 93%
• Uniformity Coefficient: 1.6
• Capacity (meq/mL): 2.0
• Moisture Retention: 42% to 49%
• Shipping Weight: 51 - 53 lbs/ft³ (817 - 849 g/L)
• Reversible Swelling (Na to H): 5% to 9%
• Regenerability: Yes

Operating Limits

• Maximum continuous temperature: 280°F (138°C)
• Operating pH range: 0 to 14 SU

Feed Water

• Iron Removal: Feedwater iron content should not be more than 1 mg/L Fe per each 17 mg/L of hardness.
• Ammonia Removal: Ammonia is not well removed when the pH is significantly alkaline (above 9).

Suggested Operating Conditions

• Minimum bed depth: 24 inches
• Backwash expansion: 25 to 50 percent
• Maximum pressure loss: 25 psi

Regeneration (Sodium Cycle)

• Regenerant Concentration: 10 to 15 percent NaCl
• Regenerant level: 4 to 15 lbs./cu.ft.
• Regenerant flow rate: 0.5 to 1.5 gpm/cu.ft.
• Regenerant contact time: >20 minutes
• Displacement volume: 10 to 15 gallons/cu.ft.
• Rinse volume: 35 to 60 gallons/cu.ft.

Regeneration (Hydrogen Cycle)

• Regenerant Concentration: 5 to 10 percent HCl or 1 to 8 percent H₂SO₄
• Regenerant flow rate: 0.5 to 1.5 gpm/cu.ft.
• Regenerant contact time: >20 minutes
• Displacement volume: 10 to 15 gallons/cu.ft.
• Rinse volume: 35 to 60 gallons/cu.ft.

Service Flow Rate

• Service flow rate: 1 to 10 gpm/cu.ft.

Mechanical / Hydraulic

• Backwash Expansion: See the official PDF for exact tabulated values.
• Pressure Loss: See the official PDF for exact tabulated values.

Applications

• Softening - Industrial
• Demineralization
• Iron Removal
• Ammonia Removal
• Recommended for mixed beds where its dark color distinguishes it from amber-colored anion resins.

Certifications

• Kosher Certified
• Halal Certified
• FDA Compliance* (Paragraph 21CFR173.25 of the Food Additives Regulations of the US FDA)

Packaging Options

• 1 ft³ bags
• 1 ft³ boxes
• 1 ft³ drums
• 7 ft³ drums
• 42 ft³ supersacks

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror