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ALKA-918

Novolac Wastewater Structural Lining System

High-performance chemical-resistant lining system designed for wastewater, sewerage and aggressive industrial containment environments.

Heavy-Duty Chemical & Wastewater Protection

ALKA-918 is a high-performance novolac chemical-resistant lining system engineered for concrete and steel assets exposed to aggressive wastewater, corrosive chemicals and immersion conditions.

The system combines an ALKA-105 primer/consolidation coat with AlkaTankline 100 or Alka-Acid 98 novolac/acid-resistant lining to create a high-build protective barrier against chemical attack and corrosion.

Designed for demanding infrastructure and industrial environments, ALKA-918 provides significantly higher chemical resistance than standard epoxy systems where exposure to wastewater, hydrogen sulfide (H₂S), sulfuric acid formation and aggressive process chemicals is expected.

Key Benefits

  • High chemical resistance compared with standard epoxy systems
  • Designed for aggressive wastewater environments
  • Suitable for H₂S and sulfuric acid exposure when correctly specified
  • High-build protective lining system
  • Excellent protection against corrosion and chemical attack
  • Suitable for both concrete and steel substrates
  • Suitable for continuous immersion applications when correctly specified
  • Protects infrastructure from wastewater-related degradation
  • Suitable for demanding civil and industrial assets
  • Project-specific build can be selected according to chemical exposure

    SYSTEM BUILD-UP

    ALKA-918 is a high-performance protective lining system applied over correctly prepared concrete or steel substrates.

    For concrete, the system typically consists of an ALKA-105 primer/consolidation coat, followed by AlkaTankline 100 or Alka-Acid 98 as the high-build novolac/acid-resistant protective lining.

    Surface preparation and final lining thickness should be selected according to the substrate condition, chemical concentration, operating temperature and immersion conditions.

    Typical System DFT: 500–1,500+ microns

     

    TYPICAL APPLICATIONS

    Wastewater Treatment Plants

    Protective lining of concrete and steel assets exposed to wastewater, corrosive gases and aggressive treatment environments.

    Wet Wells & Sewer Structures

    High-performance lining for wet wells, sewer structures and areas exposed to H₂S and sulfuric-acid-related corrosion.

    Pump Stations & Process Pits

    Chemical-resistant protection for pump stations, process pits and other infrastructure exposed to aggressive wastewater or industrial chemicals.

    Chemical Bunds & Containment Areas

    High-build protective lining for chemical bunds, acid splash zones, containment areas and industrial chemical-processing environments.