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Petroz 390

Petroz 390 by Material and Design Solutions is a 90-durometer, low-compression set perfluoroelastomers (FFKM) compound. Provides tensile strength, flexural strength and flexural modulus similar to competing perfluoroelastomers. Exhibits strong resistance to a broad range of chemical media. Lower compression set results in improved sealing performance in high-pressure, high-temperature environments over extended operating times. It is an ideal compound for chemical processing and refining industries. Petroz 390 is used in o-rings and custom molded parts in mechanical seals, pumps, and valves.
Product Type
Fluoroelastomer / Fluorinated Rubber > Perfluorocarbon Rubbers [FFKM]
Product Launch Date
Dec 4, 2017
Product Status
Applications/ Recommended for
  • Engineering / manufacturing > Plumbing (pipe/fittings, valve, taps)
  • Engineering / manufacturing > Pump components
  • Sealants, seals & gaskets
Key Features
  • Chemical resistance, High
  • Compression Set, Low
  • Flexural strength, Good
  • Modulus, High
  • Tensile Strength, High

Petroz 390 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
90 points
(Shore A)
ASTM D2240
Tensile Strength
3239 psi
(at Break)
ASTM D1414
Tensile Elongation
102 %
(at Break)
ASTM D1414
Tensile Modulus
1260 psi
(@ 50% Elongation)
ASTM D1414
Tensile Modulus
3125 psi
(@ 100% Elongation)
ASTM D1414
Compression Set
10.5 %
(70 hrs @ 200⁰C)
Compression Set
8.3 %
(22 hrs @ 200⁰C)

Thermal Properties

Value & Unit
Test Condition
Test Method
Average Temperature Range
10 - 490 ⁰F
( )
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