Enviro-1, Yellow/Cefas E multi-purpose thread compound and lubricant API 5A3

Technologically advanced, extremely water resistant, biodegradable base grease formulated with natural mineral fillers and other environmentally friendly additives.It contains no metals or PTFE. Excellent adhesion to wet joints over a wide temperature range and protects threads forsuperior makeup and breakout performance. It has the added convenience of being light in color to assure consistent coverage.

ThredOn Enviro-1 is classified as Yellow Y1 according to the Norwegian offshore environmental guidelines, based on HOCNF documentation. Classified as E by CEFAS (registration number 25214).

Service Recommendations

Rotary shouldered connections,tubing and casing, especially in environmentally sensitiveareas; legs of Jack Ups, storage and thread protection,slides, and any highly loaded,slow moving surface.


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MSDS Sheet Yellow Y1 Cefas “E”




Color Beige
Texture Smooth, tacky
Base fluid Syntheticester
Environmental status Biodegradable, non-toxic
Penetration (ASTMD217) 310-330 – NLGI 1
Four-ball EP weld point (ASTM D2596) 620 kgf
Copper corrosion (ASTM D4048) 1b max
Temperature range -40°F to +400°F
(-40°C to +200°C)
Friction Factor 1.0



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