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info sheet:

COPALTITE is the leading high temperature, high pressure sealant on the market today. 

It comes in two forms:  liquid and cement.  The liquid form is used for sealing threads and machined connections to obtain close tolerances. 

The cement form is used on rough or scored surfaces. 
Both the Liquid and Cement comes in a 5 ounce tube or a 1 quart can.  
Although normally used without a gasket, it makes an excellent gasket dressing for flanges and other fittings to be used at high temperatures and pressures.  COPALTITE high pressure sealing compound is unexcelled. 

Temperature  range

-315 °F – 1500 °F 

-212 °C – 815 °C 

Pressure range Flanges without gasket

6.500 PSI

450 Bar

Pressure range threaded joints

10.000 PSI

690 Bar

Pressure range steam joints  - 1200 °F

2.000 PSI

172 Bar

Navy test requirement 1200 PSI / 950 °F



OSHA OMB  1218  0072



Not considered as dangerous goods.

See attached certificate.

for air Transport

HCC Custom code



Country of Origin




Additional information:


Capable of Withstanding:

        Steam joints at 2000 PSI - 1,200 ° F

        Flanges without gaskets up to 6,500 PSI

        Threaded joints holding 10,000 PSI

        Shelf life: 1 year from date of manufacturing. Store dry & below 72 °F

Copaltite's Unique Properties Include:

        Effective in temperature range of 315° F to 1500° F.

        Can use heat as catalyst to help cure seal in 15 minutes.

        Low shrinkage and coefficient of expansion.

        Copaltite sealants enable easy separation of joints after extended use at extremely high temperatures.

        Resists most chemicals. Copaltite is used on lines containing steam, ammonia, hydrocarbons, refrigerants, hydraulic fluids, propane, brine, acids, and mild alkalis.

        Adheres to metals, ceramics, rubber and most plastics.

        Withstands severe vibrations and thermal shock.

        Completely meets Navy test requirements for use on marine turbines at 1200 PSI and 950° F (MIL-S-15204D).


Some Typical Uses of Copaltite High Temperature & Pressure Sealants:

        Steam Turbines

        Leak repair

        Pressure Vessels


        Refrigeration Lines

        Pressure Gas Lines

        Heat Exchangers

        Boilers & Condensers

        Turbo Machinery

        Hydraulic Systems

Economical & Ready to Use in these Industries & More:

        Power Utilities , Oil & Gas

        Pulp and Paper

        Heavy Equipment & Steel

        Marine, Aviation & Automotive



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