O-Rings (Catalog F71)

F71

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O-Rings

O-Rings available in six different compositions

O

-Rings are available in six different materials from Scientific Instrument

Services. Each type has its advantages and disadvantages as listed in the

chart below and the type required depends on the O-Ring application. Of the

various types of O-Rings available from SIS, Viton™ is the most popular for mass spec-

trometers and other laboratory instruments. This is due to Viton’s high temperature stabil-

ity and good resistance to chemicals and ozone.

On the following pages, O-Rings are listed by both nominal and actual size. The nom-

inal size is the closest fractional dimension to which the O-Ring is tooled and manufac-

tured. During manufacture the O-Rings shrink in size during the curing process. This

accounts for the slight differences between the nominal and actual sizes. The I.D. is the

inside diameter and the width (W) is the thickness of the O-Ring material. Order O-Rings

by using the part number prefix listed in the table below followed by the standard size num-

ber listed first in the O-Ring tables, i.e. V-110 for 3/8" Viton O-Ring.

Viton, PTFE, and Silicone Sheets

Viton, PTFE, and red Silicone sheets are now available in 12" x 12" sheets in the thick-

nesses listed below. These sheets are particularly well suited for cutting your own gaskets

and seals. Other materials and thicknesses are available on special request.

O-Ring Properties-* use this prefix in front of the size number when ordering O-Rings, i.e. V-110 for Viton size 3/8” O-Ring.

Property

Buna-N

Viton

Silicone

PTFE

Kalrez

Part No. Prefix

B-

V-

S-

T-

K-

Tear Resistance

Fair

Good

Poor

Excellent

Good

Abrasive Resistance

Good

Good

Poor

Excellent

Good

Ozone Resistance

Poor

Excellent

Excellent

Good

Excellent

Weather Resistance

Fair

Excellent

Excellent

Good

Excellent

Heat Resistance

Fair

Excellent

Excellent

Good

Excellent

Chemical Resistance

Fair

Excellent

Good

Excellent

Excellent

Oil Resistance

Excellent

Excellent

Poor

Good

Excellent

Acid Resistance

Fair

Excellent

Good

Excellent

Excellent

Alkali Resistance

Good

Good

Fair

Excellent

Excellent

Steam Resistance

Fair

Fair

Poor

Good

Excellent

Minimum Usable Temp

-65°F

-65° F

-120°F

-110°F

-35°F

-54°C

-54°C

-85°C

-79°C

-37°C

Maximum Usable Temp.

300° F

500° F

450° F

500° F

550° F

150°C

260°C

232°C

260° C

288°C

Color

Black

Black

Red

White

Black

Part No.

Description

VS-0 Part #VS0—Click for details
Current Price: $100.86
Unit of Measure: EA
Est. Ship Weight=0.8 lbs
Quantity in Stock=3

1/16" Viton

VS-1 Part #VS1—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=1.3 lbs

1/8" Viton

VS-2 Part #VS2—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=2.75 lbs

1/4" Viton

VS-3 Part #VS3—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=0.4 lbs

1/32" Viton

TS-0 Part #TS0—Click for details
Current Price: $36.00
Unit of Measure: EA
Est. Ship Weight=0.7 lbs
Quantity in Stock=3

1/32" PTFE

TS-1 Part #TS1—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=1 lbs

1/16" PTFE

TS-2 Part #TS2—Click for details
Current Price: $92.00
Unit of Measure: EA
Est. Ship Weight=2 lbs
Quantity in Stock=1

1/8" PTFE

TS-3 Part #TS3—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=2.5 lbs

1/4" PTFE

S1-0 Part #S10—Click for details
Current Price: $15.00
Unit of Measure: EA
Est. Ship Weight=0.7 lbs
Quantity in Stock=1

1/16" Red Silicone

S1-1 Part #S11—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=1 lbs

1/8" Red Silicone

S1-2 Part #S12—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=2.5 lbs

1/4" Red Silicone

S1-3 Part #S13—Click for details
DISCONTINUED
Unit of Measure: EA
Est. Ship Weight=4 lbs

1/2" Red Silicone

S1-4 Part #S14—Click for details
Current Price: $8.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.

1/32" Red Silicone