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™ 303 API Modified

High Pressure Thread Compound


Chemola™ ThredOn™ 303 API Modified for casing, tubing and line pipe is manufactured in accordance with specifications and recommendations of API Bulletin 5A3 Annex A. It rises above other API-Modified compounds as a result of our unique blend of base greases which enhances its ability to adhere to wet threads.

Typical Characteristics

Appearance Coppery brown, smooth
Penetration (ASTM D217) 310-340
Worked Penetration, 60x (ASTM D217) 310-340
Base Grease Lithium 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)
Solids Content Per API RP 5A3 Annex A
Specific Gravity 2.0
Density (lb/gal) 17.0
Dropping Point (ASTM D566) 500°F (260°C)
Flash Point 430°F (221°C)
Temperature Range 0°F to 500°F (-18°C to 260°C)
Friction Factor (API 7A1) 1.0
Brushable To 0°F (-18°C)
Sulfur Content <0.3%


Packaging Information

Item Number Unit Size 
0303010BP 10 lb pail
0303025BP 25 lb pail
0303050WP 50 lb pail
0303070WMS 70 lb pail



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Special packaging sizing available upon request.

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