Lesson 3: Optimum Black
Maximum Oil Resistance
Permatex Optimum Black combines maximum oil resistance with maximum flexibility. Today, we see components changing and unlike materials meeting (plastic/steel, aluminum/steel, etc.), all with different rates of expansion and contraction. In addition, with technology advancing, regulations and requirements tightening, we see thinner metals, fewer fasteners, and wider spread bolt patterns. The strength and flexibility of Optimum Black handles the changes and added stresses that exist between today’s lightweight, high performance, and premium component assemblies. Optimum Black is sensor safe, low odor, and non-corrosive with resistance to oil, shop fluids. It is one of the most advanced, maximum flex, maximum oil resistant RTV silicone gasket makers available.
Features and Benefits
- High flexibility and oil resistance
- OEM Specified
- Sensor-safe, low odor, non-corrosive
- Can be used as a gasket maker
- Meets performance specs of OE silicone gaskets
- 15% stronger and 60% more flexible than Ultra Black
Why should you carry this product?
- Best in the good, better best classification for oil resistance
- Permatex Strong brand recognition
- Reliable OEM Specified product
- Available in various sizes depending on job needs including professional size cartridge
Ordering Information
| Item # | Description | Case QTY |
| 27037 | Permatex® Optimum Black 3.35oz Tube | 12 |
| 27237 | Permatex® Optimum Black 13oz Cartridge | 12 |