Premium Grade Black Butyl Based Sealant
MarMac C 990 is a flexible preformed, premium grade black butyl based rope sealant designed to be (when used on precast concrete):
- Permanently flexible
- Resistant to moisture
- Resistant to deterioration due to exposure of dilute chemical solutions
MarMac C 990 self-seals joints in:
- Septic Tanks
- Box Culverts
- Concrete Pipe
- Concrete Valves
- Utility Valves
- Vertical Panel Structures
C990 is supplied in roll form with standard sizes of .75″, 1″, and 1.25″.
|Meets or Exceeds Industry Specifications||AASHTO M-198*
ASTM C 990 Section 6.2
30 day immersion testing
|No visual deterioration|
|Cold weather flexibility||No adhesion loss
|Wide Application Temperature Range||Able to apply under extreme outdoor weather conditions|
|• Easy application
• Permanently flexible
• No shrinkage, non corrosive, will not oxidize or harden with aging
|• Faster installation
• Hydrostatic performance
• ASTM C 990 Sec. 10.1 psi for 10 min
NOTE: The foregoing information is published as general information only. The listed properties and performance characteristics are approximate values and are not to be interpreted as manufacturing specifications.
Tell us about your application and let our experts help find the best solution for your situation—and send you a free quote!
Also ask about MarMac C 877 Type III.