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CS-1900 Hydrophilic Elastomeric Sealant

CS-1900 is a single component, swellable waterstop designed for use in cold joints, precast joints, and for use as a bedding adhesive for hydrophilic waterstops such as CS-5000. CS-1900 can be used in deep construction applications such as tunnels, vent shafts, and dams. CS-1900 can also be used in more common concrete structures that require a waterstop including but not limited to manholes, box culverts, containment structures, concrete slabs or foundation joints, wall or floor penetrations, water and wastewater structures and many more.

Performance Properties

Features
  • Finish: Blue, Elastomeric Rubber
  • Solvent & Isocyanate Free, 100% solids, will not shrink.
  • California Proposition 65 compliant
  • Tack free skin formed in 60 minutes (77°F at 50% Relative Humidity)
  • Full cure takes place in 24 to 48 hours for ¼” beads and smaller.
  • Excellent weatherability when exposed to: Ultraviolet Radiation, Rain, Infrared Radiation, and Atmospheric Hydrocarbons.
  • Superior adhesion to most construction materials, including: Concrete, Metal, Fiberglass, Many Plastics, PVC, Glass, Aluminum, and Wood.

Hydrophilic expansion:

    • 48 hours->200%
    • 30 days >250%

Physical Properties

Property
CS-1900 Value
Test Method
Cure System Hybrid, Moisture Cure
VOC Content 20.6 grams/liter
Cure Rate 1/8” every 24 hours (77°F at 50% Relative Humidity)
Gun Grade Zero Slump ASTM C639

Performance Characteristics

Property
CS-1900 Value
Test Method
Tensile Strength 159 psi ASTM D412
Shear Strength 188 psi ASTM D1002
Elongation 185% ASTM D412
Adhesion to Primed Concrete (Clean, Dry) 30 pli, cohesive failure ASTM C794
Shore A, Hardness 35 ASTM D661
UV Stability, Accelerated Weathering UV-A, No Change (2,000 hours) QUV Weatherometer
Shrinkage No measurable shrinkage after 14 days
Service Temperature -40°F to 220°F (-40°C to 104°C), continuous service
Application Ambient Temperature 40°F to 130°F (4°C to 55°C)
Application Surface Temperature 40°F to 130°F (4°C to 55°C)

 

Directions for Use 

Surface Preparation:  The concrete must be clean and free from dust, dirt, grease and debris before application of CS-1900.  Inspect surface for soundness.  When surface is clean, sound and dry proceed with using the CS-1900.  
Note:  Make sure the surface is free from frost prior to application.
DO NOT USE petroleum solvents such as Mineral Spirits or Xylene for surface preparation.
Priming:  For applications with continuous water immersion ConSeal recommends using a surface primer.  ConSeal CS-80 is specifically designed for ConSeal’s elastomeric sealants.  
Application:  Maintain CS-1900 at room temperature before applying to ensure easy application.  CS-1900 may be factory or field applied to seal various construction components.  Work CS-1900 into rough surfaces to optimize surface contact.  If using to fill cracks, avoid air entrapment fop filling void with continuous bead of CS-1900.  
Packaging and Storage: Available in 10.1-fl. oz. cartridge (298mL), 20.2-fl. oz. sausages (600mL), 28.5-fl. oz. cartridges (842mL) and 5-gallon pails.  
12-month shelf life from manufacture date when stored in a cool, dry area. Elevated temperatures >100° F may reduce shelf life.  
Coverage and Full Cure Rates: 10.1-ounce cartridges: ½” diameter bead covers 7.5 linear feet. 
Full cure for ¼” bead is 48 hours (77°F at 50% Relative Humidity).

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