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Popular Compounds
Parco’s seals are available in eleven different elastomers and more than 500 compounds. Over the last 70 years, we’ve developed tailored compounds for a variety of demanding applications and specifications. Thirty of those compounds have become staples of the industry for their excellent physical properties, consistent quality, and varied uses. The table below summarizes our Popular Compounds by elastomer and durometer. We carry the most inventory and offer the lowest minimums on those compounds.
| Compound | Elastomer | Color | Description |
5601-70 | Ethylene-propylene | Black | 70-durometer ethylene propylene; general purpose; sulfur-cured; FDA-conforming. |
Ethylene-propylene | Black | 70-durometer ethylene propylene; internally lubricated; peroxide-cured; NSF-61 listed. | |
5611-80 | Ethylene-propylene | Black | 80-durometer ethylene propylene; peroxide-cured; MIL R 3065 compliant. |
9005-75 | Fluorocarbon | Brown | 75-durometer fluorocarbon. |
Fluorocarbon | Brown | 75-durometer fluorocarbon; low cost; general purpose. | |
Fluorocarbon | Black | 75-durometer fluorocarbon; AMS 7276 and MIL R 83248 compliant; QPL-listed. | |
Fluorocarbon | Black | 75-durometer fluorocarbon; AMS 7276 and MIL R 83248 compliant; QPL-listed. | |
Fluorocarbon | Black | 75-durometer fluorocarbon; low cost; general purpose. | |
Fluorocarbon | Black | 90-durometer fluorocarbon; AMS 7259 and MIL R 83248 compliant; QPL-listed. | |
Fluorocarbon | Black | 95-durometer fluorocarbon. | |
1902-60 | Fluorosilicone | Black | 60-durometer fluorosilicone; AMS R 25988, AMS 3325, and MIL R 25988 compliant. |
1933-70 | Fluorosilicone | Black | 70-durometer fluorosilicone; AMS R 25988 and MIL R 25988 compliant. |
HNBR | Black | 70-durometer HNBR; peroxide-cured. | |
HNBR | Black | 90-durometer HNBR; peroxide-cured. | |
3110-70 | Neoprene | Black | 70-durometer neoprene; general purpose; AMS 3209 and MIL PRF 1149 compliant. |
Nitrile | Black | 65-durometer nitrile; AMS P 5315 compliant. | |
Nitrile | Black | 70-durometer nitrile; FDA-conforming; UL-listed; SAE J120 R1 compliant. | |
Nitrile | Black | 70-durometer nitrile; UL-listed. | |
Nitrile | Black | 70-durometer nitrile; low cost; general purpose. | |
Nitrile | Black | 70-durometer nitrile; MIL P 25732 compliant; QPL-listed. | |
4456-70 | Nitrile | Black | 70-durometer nitrile; MIL G 21569, and MIL P 82745 compliant. |
Nitrile | Black | 70-durometer nitrile; peroxide-cured; AMS P 83461 and MIL P 83461 compliant; QPL-listed. | |
0483-80 | Nitrile | Black | 80-durometer nitrile; sulfur-cured. |
2067-90 | Nitrile | Black | 90-durometer nitrile. |
Nitrile | Black | 90-durometer nitrile; low cost; general purpose. | |
4177-90 | Nitrile | Black | 90-durometer nitrile; sulfur-cured. |
4058-90 | Nitrile | Black | 90-durometer nitrile; sulfur-cured; MIL R 3065 compliant. |
Silicone | Brick Red | 70-durometer silicone; general purpose. |
If you have additional compound questions, please contact Parco's R & D department at lab@parcoinc.com for assistance.
