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Parker's ethylene propylene rubber (EPM, EPR, EPDM) O-rings are compatible with phosphate ester hydraulic fluids, amines, solvents and other chemicals.
Parker's 80 durometer black EPDM, EM163-80, is a terpolymer of ethylene and propylene with a diene third monomer used for cross linking. This is particularly useful when sealing phosphate-ester hydraulic fluids and in brake systems that use fluids having a glycol base.
Temperature range: -80°F to 250°F (-62°C to 121°C)
Certifications include:
NAS 1613 Rev 6
Features:
• Chemical resistance
• Hot water and steam up to 300°F (149°C)
• Glycol based brake fluids (Dot 3 & 4) and silicone-based brake fluids (Dot 5) up to 300°F (149°C)
• Many organic and inorganic acids
• Cleaning agents, sodium and potassium alkalis
• Phosphate-ester based hydraulic fluids (HFD-R, Skydrol, Hyjet)
• Silicone oil and grease
• Many polar solvents (alcohols, ketones, esters)
• Ozone, aging and weather resistant
Not compatible with:
• Mineral oil products (oils, greases and fuels)
| Literature and Reference Materials |
|---|
| Aerospace Reference Guide--5800 |
| Parker O-Ring eHandbook |
| Parker O-Ring eHandbook |
| Parker Tracking System and RFID Technology |
| EM163-80--OES 7002 |
| Training |
|---|
| Basic Technical Glossary -- seal technology training |
| Introduction to Sealing -- seal technology training |
| Seal Failure Modes: Diagnosis and Solutions--Webinar |
| Compliance, Certifications & Safety |
|---|
| O-Ring Material Test Reports |
| EMG OES Regulatory Declarations, Compliance & Safety Data Sheets (SDS) library |
| How to read a test report |
| Prop 65 General Statement |
| Communities, Blogs & Industry Links |
|---|
| EM163 Meets Both NAS1613 Revision 2 and 6, Is There a Difference? |
| O-Rings Knowledge Base |
