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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 RP 5A3 (former API BUL 5A2) and ISO 13678. 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 and provides higher temperature performance. The composition is compliant with API RP 5A3 Annex B. Withstands pressures exceeding 10,000 psi.

Typical Characteristics

AppearanceCoppery brown, smooth
Penetration (ASTM D217) 310-340
Worked Penetration, 60x (ASTM D217) 310-340
Base Grease Lithium
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 B
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 RP 5C1) 1.0
Brushable To 0°F (-18°C)
Sulfur Content <0.3%
Salt Fog (ASTM B117)1000 Hours

Packaging Information

Item NumberUnit SizeQuantity
0303010BP10 lb pail
0303025BP25 lb pail
0303050WP50 lb pail
0303070WMS 70 lb pail