Products Details

TC API Modified

(Casing, Tubing and Line Pipe Thread Compound) TC API Modified is Zinc Based Thread Compound formulated to meet the requirements of API Bulletin 5A3*. It is formulated using Zinc, Copper, Graphite and other proprietary blend of additives such as EP, Antiwear etc.


Recommended for lubrication and protection of Casing, Tubing and Line Pipes.


-    Excellent Water Washout Resistance.
-    Does not oxidize, harden or dry out over extended temperature range.
-    Excellent Brushability over extended temperature range.
-    Contains Oxidation and H2S Inhibitors
-    Excellent frictional characteristics help tighten the connections at desired stress levels.
-    Conforms to API RP 5A3

Owing to evolving packaging solutions, user is requested to kindly check the availability of a specific pack size prior to standardization.

Appearance Smooth
Base Petroleum, Lithium
Specific Gravity 1.65 ± 0.1
Flash Point (Base Oil) > 220°C
Drop Point > 190°C
NLGI # 1
Worked Penetration 310 – 330
Copper Strip Corrosion ASTM 1a
% Solids 65 (min)
Brushability Upto – 18°C
Friction Factor 1.00 (As per API RP 7A1)

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Material Safety Information required for safe usage of this product may not be included in this product bulletin and may be sought by contacting MOSIL. Users are advised to go through the Material Safety Data Sheet (MSDS) of this product prior to application / usage of this product.

*All statements and information contained in this document are based on the laboratory testing and user experience on actual applications. Owing to the exhaustive possibility of application for which this product may be used and the variety of equipments, performance parameters, environmental conditions and unpredictable human factors, we strongly recommend that this product be tested on the actual application prior to its standardization. All information contained herewith is offered in good faith but without any expressed or implied warranty. This Product Bulletin may already have been revised considering the availability of raw components, legislation, user experience & expectations and enhancement of knowledge of the development team of MOSIL. Users are requested to kindly seek the latest version of this product bulletin by contacting MOSIL. Information provided in this Product Bulletin is based on the generalised expectations and requirements of users. Additional information for this product may also be sought by contacting MOSIL.