Check Seal™ 20 AB is a two-component, rubber type sealant developed for the electrical utility industry and commonly used for transformer leaks. It is available in both fast and slow cure formulas delivered in a two part, pre-measured kit for easy application. Both parts are mixed then applied with a high-pressure lubricator. Check Seal™ 20 can be used for sealing flange gaskets, valve stems, drain plugs and couplings. It can also be used in conjunction with clamps.
Sealing and encapsulating heating elements in appliances, aerospace gasketing, industrial ovens and other bonding/sealing where parts must perform at temperatures below 250°F.
|Applications||Transformer oils, fuels, hot oils, refrigerants, alcohols, chemicals and solvents
CAUTION: Some of the additives in the steam and bfw can kill the cure.
|Note: For chemicals, refer to compatibility chart|
|Temperature Range||40°F to 275°F (4°C to 135°C)|
|Limitations||Should not be used at temps over 275°F (135°C)|
|Appearance||Off-white resin paste with dark catalyst|
|Injection Characteristics||500 psi, flows well with high pressure applicator but can be poured directly into place|
|Cure||Semi-hard rubber that is removable; fast and slow cure rates available (temperature dependent)|
|Long Term Changes||None|
|Storage||70°F or lower|
|Item Number||Unit Size||Quantity|
|CS200811||12 oz. kit||16 per box|
|CS206411||1/2” gal kit, 6 lb|
Do Not Use On Oxygen Services.
Special packaging sizing available upon request.