O RING

O RING

BASIC PROPERTIES

NBR

HNBR

EPDM

FKM

CR

SBR

VMQ

FVMQ

NR

Economy of Material

Very Good

Poor

Good

Average

Good

Very Good

Average

Poor

Very Good

Compression Set Resistance

Very Good

Very Good

Very Good

Very Good

Good

Good

Good

Good

Very Good

Resilience (Rebound)

Good

Good

Good

Good

Good

Good

Good

Good

Very Good

Tear Strength

Good

Very Good

Good

Good

Good

Average

Poor

Average

Very Good

Heat Aging Resistance

Average

Good

Good

Very Good

Average

Average

Very Good

Very Good

Average

Ozone Resistance

Poor

Good

Good

Very Good

Good

Poor

Very Good

Very Good

Poor

Resistance To Oil & Grease

Good

Good

Poor

Very Good

Good

Poor

Average

Very Good

Poor

Fuel Resistance

Poor

Average

Poor

Good

Poor

Poor

Poor

Good

Poor

Water Swell Resistance

Good

Good

Very Good

Good

Average

Very Good

Very Good

Very Good

Very Good

Gas Impermeability

Good

Good

Average

Good

Good

Average

Poor

Poor

Average

Dynamic Service/

Abrasion Res

Good

Good

Good

Average

Good

Very Good

Poor

Poor

Average

Max Service Temperature

100°C

149°C

149°C

199°C

121°C

100°C

232°C

232°C

104°C

Min Service Temperature

-40°C

-40°C

-51°C

-25°C

-40°C

-46°C

-59°C

-59°C

-51°C