Check Seal™

Check Seal™ provides an array of products for online leak protection. This line offers both curing and non-curing sealants and packing.

Check Seal™ 8AB

Two-Component Elastometric Plastic Sealing

Check Seal™ 8AB is a two-component sealant that cures to an elastomeric plastic consistency for extreme shock resistance. It is recommended for cyclical or shock applications.

Recommended Uses
Common usages include fuels, glycols, mild alkalis, aliphatic hydrocarbons, hot oils, kerosene, steam, water, liquors, transformer oil, and SF6 gas.

Typical Characteristics


Transformer oil, SF6 gas, fuels, hot oil, water and steam CAUTION: Some of the additives in the steam and bfw can kill the cure.

Note: For chemicals, refer to compatibility chart  
Temperature Range

50°F to 450°F (10°C to 232°C)

Limitations Should not be used at temps over 450°F (232°C)
Appearance White and blue pastes
Volume 191 cu. in – 1 gal kit
Injection Characteristics 500 psi, flows well with minimum hydraulic pressure
Cure Hard elastomeric set, rate depends on temperature
Long Term Changes None
Storage 70°F or lower


Packaging Information

Item Number Unit Size 
 CS800111 1 gal kit, 9 lb


Do Not Use On Oxygen Services.

Special packaging sizing available upon request.

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