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TUFCHEM™ II Membrane (CE-196)

Trowel Applied 125 mil Urethane Asphalt Membrane

TUFCHEM II Membrane is a chemically cured, elastomeric urethane asphalt membrane. It can be used as a stand alone lining to protect metal, concrete, and masonry substrates from chemical attack and physical abrasion within its limitations. TUFCHEM II can also be used as an underlying membrane in conjunction with chemical-resistant masonry or polymer concrete overlayments. TUFCHEM II is generally specified to be installed in 2 or 3 passes for a total nominal 80-125 mil WFT lining thickness. For concrete substrates, use with PENNTROWELTM Epoxy Primer (CE-139). On steel substrates, no primer is required for adhesion, but PENNGUARDTM HP Epoxy Primer (CE-314) is recommended to prevent re-rusting of the blasted surface.

For complete installation details consult ErgonArmor installation specifications CES-326 and CES-334.

Features

• Cold applied by trowel, squeegee or brush.
• Rubber like texture provides very good physical abrasion resistance.
• Remains elastomeric to temperatures as low as -40°F (-40°C). High elongation can accommodate movement caused by thermal and mechanical stresses.
• Provides an excellent barrier to water vapor.
• Will bridge hairline cracks in concrete and masonry construction.

Uses

TUFCHEM II provides a positive barrier to structures from corrosive chemicals, gases, and moisture. Depending on the environment, it may be used as a lining for concrete or steel tanks, sumps, or stacks, or as part of a lining system in combination with chemical resistant brickwork, inorganic monolithic linings or polymer concretes for floors, wet scrubber ductwork, vessels and tanks, etc. It is not recommended where oils or organic solvents are present. Typical applications include both interior and exterior chemical containment linings, clarifiers, thickeners, and tank linings. TUFCHEM II Membrane has also been successfully used to do field repairs to sheet rubber membrane linings.



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