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Type Tool
Tech Level TL–3
Cost Varies
Size 1 liter
Weight 1.8 kg

Affas is a silicone analog of hydrocarbon petrochemicals. It is a naturally occurring mixture of various types of hydrosilicones and requires processing to render into useful products. Affas is dark red, purple, or black in color; it is of thick, viscous consistency. The substance is heavier than liquid sulfur. It is estimated that lubricants made from the hydrosilicones will increase the efficiency of high-temperature engines by approximately 12%. It can also be used to create a silicone-based plastic that shows remarkable resistance to heat and acid.

The largest known natural source of Affas is the planet Eshaar (Far Frontiers 1826).

This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Far Future Enterprises or by permission of the author. The page history lists all of the contributions.