Material

Temperature (°C)

Main feature

Remarks

Nitrile rubber

-40~+121

Oil resistant

Nitrile (Buna-N)

FKM

-26~+204

Good resistance to heat, strong corrosion and static electricity

FKM (VITON)

FKM

-28~+204

Good resistance to heat, strong corrosion and static electricity

AFLAS

EPR

-30~+150

Good resistance to heat and corrosion

EPDM

Silicone rubber

-43~+210

Good resistance to heat and static electricity

Silicone

Neoprene

-62~+232

Good resistance to abrasion and heat

Chloroprene(Neoprene)

Highly Saturated Butyronitrile

-40~+162

Good resistance to oil and heat

Highly Saturated Nitrile(HSN,HNBR)

PTFE

-100~+200

Good resistance to high/low temperature, strong corrosion and static electricity

(Teflon)

Polyurethane

-53~+93

Good resistance to abrasion and oil, nontoxic

Urethane (Polyurethane)

Fluorosilicone rubber

-62~+204

Good resistance to heat and corrosion

Fluorosilicone (FVMQ)

O-ring with external PTFE coating

FEP/silicone core

Shore Hardness (A±5°): 90
Temperature: -60°C~+205°C

FEP/FKM core

Shore Hardness (A±5°): 90
Temperature: -73°C~+205°C

I.D.

Cross-sectional diameter

I.D.

Cross-sectional diameter

1.80
±0.08

2.65
±0.09

3.55
±0.10

5.30
±0.13

7.00
±0.15

1.80
±0.08

2.65
±0.09

3.55
±0.10

5.30
±0.13

7.00
±0.15

I.D.

Tolerance

I.D.

Tolerance

1.80

±0.13

*

19.0

±0.22

*

*

*

2.00

*

20.0

*

*

*

2.24

*

21.2

*

*

*

2.50

*

22.4

*

*

*

2.80

*

23.6

*

*

*

3.15

*

25.0

*

*

*

3.55

*

26.5

*

*

*

3.75

*

28.0

*

*

*

4.00

*

30.0

*

*

*

4.50

*

31.5

±0.30

*

*

4.87

*

32.5

*

*

*

5.00

*

33.5

*

*

5.15

*

34.5

*

*

*

5.30

*

35.5

*

*

5.60

*

36.5

*

*

*

6.00

*

37.5

*

*

6.30

±0.14

*

38.7

*

*

*

6.70

*

40.0

*

*

*

6.90

*

41.2

±0.44

*

*

*

7.10

*

42.5

*

*

*

*

7.50

*

43.7

*

*

*

8.00

*

45.0

*

*

*

8.50

*

46.2

*

*

*

*

8.75

*

47.5

*

*

*

9.00

*

48.7

*

*

*

9.50

*

50.0

*

*

*

*