Table 6
| Compound |
Classification |
Durometer Shore A |
Temperature Range °C |
Recommended Uses |
| KN-01 |
Neoprene® |
65 |
-55 to 162 |
General Purpose Compound. Underwater applications. Good insulator |
| KN-02 |
Nitrile |
80 |
-16 to 180 |
Downhole oil wells. Inexpensive. Slightly conductive electrically. |
| KN-34 |
Fluoroelastomer |
80 |
-20 to 260 |
For high temperature appllication. Excellant electrical insulator at temperature. Excellant resistance to water/steam. |
| KN-38 |
Viton® A |
84 |
-14 to 230 |
General purpose high temperaure applications. |
| KN-42 |
Fluoroelastomer |
82 |
-20 to 260 |
Excellant chemical resistance. High temperature downgole well service. Excellant resistance to water, water based and oil based drilling fluids. |
| KN-53 |
Fluoroelastomer |
78 |
-20 to 250 |
Excellant gas resistance. High temperature downhole oil well service.Limited oil based drilling fluid resistance. |
| KN-55 |
Fluoroelastomer |
67 |
-20 to 260 |
Similar to KN-34 except lower durometer. Better flexibility. |
| KN-62 |
Fluoroelastomer |
65 |
-35 to 260 |
Similar to KN-42. better low temperature flexibility. More expensive. |
| KN-61 |
Polyurethane |
75 |
-55 to 130 |
Compatible with polyurethane and neoprene cables. Pressure molded compound.Water resistant, but not recommended for oil well service. |
| KN-63 |
Polyurethane |
80 |
-56 to 140 |
Compatible with neoprene and polyurethane cables. Castable compound meets MIL-M240441-C category A. |
