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Application

  • Construction joints.
  • Connecting joints in sheet pilings or diaphragm walls.
  • Sealing of bell butt joints.
  • Wall penetration for metal, plastic and concrete pipes, cable bushing.
  • Bonding of MasterSeal swelling waterbars.
  • Surrounding steel reinforcement bars on pile heads.
  • Sealing water penetration where the use of gaskets is not possible.
  • Applicable on humid substrates.

Description

MasterSeal 912 is a one-component, moisture-curing pre-polymer which swells when in contact with water. Suitable for the permanent sealing of construction joints in concrete structures.

Features and benefits:

  • Simple to use.
  • High swelling capacity in contact with water.
  • Reversible swelling process.
  • Highly resistant to chemicals and saline liquids.
  • Can be applied on wet substrates.
  • Good adhesion to dry and moist surfaces.
  • Excellent adhesion on concrete, steel, PVC without the need of primer.
  • High flexibility and adaptability.
  • High resistance to water pressure.

Applications:

  • Construction joints.
  • Connecting joints in sheet pilings or diaphragm walls.
  • Sealing of bell butt joints.
  • Wall penetration for metal, plastic and concrete pipes, cable bushing.
  • Bonding of MasterSeal swelling waterbars.
  • Surrounding steel reinforcement bars on pile heads.
  • Sealing water penetration where the use of gaskets is not possible.
  • Applicable on humid substrates.

General information
Specification data
Product Reference

MasterSeal 912

Standard product features

Technical characteristics:

  • Density: 1.45 g/cm³ (approximately).
  • Solid content: 100%.
  • Working temperature: 5ºC to 35ºC.
  • Dry to touch: 10 hours (approximately).