Inch

Metric

Aramid

Aramid/PTFE Fiber

Carbon Fiber

Cork

Flax Fiber

Graphite

High-Purity Aluminum Oxide Ceramic

Leather

Plastic

Rubber

Vegetable Fiber

Vermiculite

0.03"

0.042"

0.054"

0.06"

0.064"

Less than 250° F

250° F to 499° F

500° F to 749° F

750° F to 999° F

1,000° F or greater

6"

9"

12"

15"

18"

24"

30"

36"

39"

45"

48"

60"

84"

8 ft.

10 ft.

20 ft.

25 ft.

50 ft.

100 ft.

Durometer 40A

Durometer 60A

Durometer 70A

Durometer 75A

Durometer 60D

Medium Soft

Medium

Medium Hard

Hard

Extra Hard

-400° F or less

-399° F to -250° F

-249° F to -100° F

-99° F to 0° F

Greater than 0° F

Not Rated

Compliant

Not Compliant

Compliant

Not Compliant

EAR99

Exempt

0.692"

0.942"

1.192"

1.443"

1.693"

1.943"

2.193"

2.445"

2.695"

2.945"

3.445"

Less than 1,000 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi or greater

Not Rated

1.000"

1.250"

1.500"

1.750"

2.000"

2.250"

2.500"

3.000"

3.250"

3.500"

4.000"

ASTM Standard

NFPA (National Fluid Power Association) Standard

SAE Standard