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Chemical Resistant Polysulfide Joint Sealant - 2 Component

Product #OSVX573



Product #OSVX573 Polymeric Joint Sealant is a two-component chemically cured polysulfide Picture of Joint Materialsealant that provides excellent resistance to bioactivity and the harsh conditions encountered in wastewater treatment plants. Product #OSVX573 Polymeric Joint Sealant cures to a flexible rubber that provides a watertight seal between concrete, masonry, metals, glass, wood, and other construction materials. Product #OSVX573  has a non-sag consistency.


Product #OSVX573 bonds tightly to most clean, dry surfaces. Product #OSVX573 provides +/- 25% joint movement in temperatures as low as -10°F. Product #OSVX573 displays excellent resistance to heat, ozone, oxidation, sunlight and weathering. Product #OSVX573 is specially formulated to give resistance to bioactivity and chemical attack.


Product #OSVX573 is ideal when used as a joint system for:

  • Runways and Tarmacs
  • Jet Fuel Storage Secondary Containment Structures
  • Waste Water Treatment Plants
  • Road Salt Storage Sheds
  • Parking Garages and Driveways
  •  Concrete Swimming Pools
  • Concrete Decks
  • Sidewalks
  • Parking Lots for Aircraft and Automobiles


Product #OSVX573 has excellent electrical resistance properties. Typical physical properties of cured material at 77°F (25°C) and 50% relative humidity are as follows:

Tensile Strength

ASTM D-638

170 psi

1.17 MPa

Tensile Elongation

ASTM D-638


Shore Hardness A Scale

ASTM D-2240


Service Range

-40°F (-40°C) to 250°F (121.1°C)



Pot life after mixing at 70°F (21.1°C) approximately 40 minutes
Initial cure 24 hours
Final cure 7 days


Product #OSVX573 meet the following specifications:

  • National Bureau of Standards and GSA TT-S-0227E (1970)
  • American Society for Testing & Materials (ASTM) C-920
  • Jet Fuel Resistance Meets Federal Specification SS-S-200E.


Mix entire contents of "B" Component into "A" with a slow speed mechanical mixer for 3 minutes. Mix well until color is uniform. Apply immediately after mixing.


Inspect joint slots to assure that they are clean and dry. To maximize bond to concrete, masonry, and steel, apply Joint Primer and allow to dry. Primer must be used in constant immersion joints. Apply with either a caulking gun, by trowel, by putty knife, by auto body filer squeegee, or by concrete grout bag, or a follower plate pressurized system.


Each 1.5 gallon (5.68 L) of mixed material will fill 346 cubic inches (5.7L) of joint slot, 115 ft. (35 meters) of 1/2" x 1/2" (12 mm x 12 mm) or 57 ft. (17 meters) of 1/2" x 1" (12 mm x 25 mm) joint slot.


Product #OSVX573 is available in 1.5 gallon (5.68 L) units.


Do not install in damp or wet joints. Ambient temperature should be above 40°F (4.4°C) at time of application to assure proper curing.


6 (six) months.


Repeated or prolonged contact with skin should be avoided; protective gloves should be worn as a precaution. Avoid contact with eyes; in case of eye contact, flush with water for 15 minutes and consult a physician.


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Since 1980 - 39 years
Florida & Vermont

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