Chemola™ ThredOn™

ThredOn™ is a leading producer of tool joint and thread compounds. The line is comprised of products for drill collars, drill pipe and threaded connections large and small, as well as industrial cleaners and protective coatings.

Chemola™ ThredOn™ 345 Weather Coat

Protective Coating for Machinery and Tubulars


Chemola™ ThredOn™ 345 Weather Coat is a protective coating used in machine shops, pipe yards, offshore platforms or anywhere metal needs to be protected for short or long periods of time. It leaves a semi-fluid, non-hardening coating that protects metal against rust and corrosion for extended periods in sun, rain, sand, salt-water and/or frigid temperatures. Weather Coat can be brushed on or thinned with mineral spirits and sprayed on or used for dip coating. It can be removed using common solvents such as diesel or paint thinner.

Recommended Uses
Excellent for freshly cut metals, drillpipe, equipment and drilling rigs. It does not need to be removed before assembly of close tolerance parts.

Typical Characteristics

Appearance Reddish-brown, smooth
Penetration (ASTM D217) 300-330
Worked Penetration, 60x (ASTM D217) 300-330
Base Grease Calcium complex
Base Oil Mineral Oil
Base Oil Viscosity 140 cSt at 40°C
Base Oil Viscosity 10 cSt at 100°C
Base Oil Pour Point -10°F (-23°C)
Additives Corrosion inhibitor antioxidant package
Specific Gravity 0.9
Density (lb/gal) 7.5
Dropping Point (ASTM D566) >500°F (232°C)
Flash Point 430°F (221°C)


Packaging Information

Item Number Unit Size 
0345010BP 10 lb pail
0345035BP 35 lb pail
0345055DR 400 lb drum


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Do Not Use On Oxygen Services.

Special packaging sizing available upon request.

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