Water- and Steam-Resistant EPDM O-Ring Cord Stock
In addition to water and steam, this EPDM cord stock resists diluted salt solutions, ethanol, and isopropyl alcohol. Use it to make round-profile O-rings, which are suitable for a wide range of static and dynamic sealing applications.
Wd. | ||||||||
|---|---|---|---|---|---|---|---|---|
| Fractional | Actual | Hardness | Specifications Met | Temperature Range, °F | Color | Lengths, ft. | Per Ft. | |
| 1/16 | 0.07" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K11 | 00000 | |
| 3/32 | 0.103" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K12 | 000 | |
| 1/8 | 0.139" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K13 | 000 | |
| 3/16 | 0.21" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K14 | 000 | |
| 1/4 | 0.275" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K15 | 000 | |
| 5/16 | 0.313" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K16 | 0000 | |
| 3/8 | 0.375" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K17 | 0000 | |
| 7/16 | 0.437" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K37 | 0000 | |
| 1/2 | 0.5" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K18 | 0000 | |
| 5/8 | 0.625" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K38 | 0000 | |
| 3/4 | 0.75" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K19 | 0000 | |
| 1 | 1" | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 9616K21 | 0000 | |
| Wd., mm | Hardness | Specifications Met | Temperature Range, °F | Color | Lengths, ft. | Per Ft. | |
| 2 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N1 | 00000 | |
| 2.5 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N2 | 0000 | |
| 3 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N3 | 0000 | |
| 3.5 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N4 | 0000 | |
| 4 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N5 | 0000 | |
| 4.5 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N6 | 0000 | |
| 5 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N7 | 00000 | |
| 6 | Durometer 70A (Medium) | ASTM D2000 | -40° to 250° | Black | 1178N8 | 00000 |
Make-Your-Own O-Ring Kits with Cord Stock

Everything you need to make custom O-rings on demand. These kits include cord stock, a razor blade, a splicing jig, and adhesive. The adhesive does not work well on silicone—if you want to make silicone O-rings, consider a hot-bonding kit instead.
EPDM withstands water, steam, and glycol-based fluids, including brake fluid.
O-Ring Kits | Replacement Adhesives (0.1 fl. oz) | ||||||
|---|---|---|---|---|---|---|---|
| Wd. | Temperature Range, °F | Color | Lg., ft. | Each | Each | ||
Round—Durometer 60A (Soft) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 9543N35 | 000000 | 74555A44 | 00000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N36 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N37 | 000000 | 74555A44 | 0000 |
Round—Durometer 70A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 13105K41 | 00000 | 74555A44 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N33 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N34 | 00000 | 74555A44 | 0000 |
Round—Durometer 90A (Hard) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 9543N38 | 00000 | 74555A44 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N39 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N41 | 000000 | 74555A44 | 0000 |
Square—Durometer 70A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 9543N42 | 00000 | 74555A44 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N43 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N44 | 000000 | 74555A44 | 0000 |

| Each | ||
| 9450K108 | 000000 |
Weather-Resistant EPDM Rubber Rods
Made of EPDM, these rods are resistant to sunlight, ozone, and water. They’re sized to seal narrow spaces, such as channels.
Rods for use with drinking water meet NSF/ANSI 61 standards for use in drinking water systems. They’re also FDA compliant for direct contact with food. These rods are often used to make seals and gaskets for equipment that processes food or water.
- Color: Black
- Temperature Range: -40° to 240° F
- Tensile Strength: 2,000 psi
- For Use Outdoors: Yes
- Specifications Met: ASTM D2000 BA 620
| Dia. | Dia. Tolerance | Durometer | Each | |
6" Lg. | ||||
|---|---|---|---|---|
| 1 1/4" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N11 | 00000 |
| 1 1/2" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N21 | 0000 |
| 1 3/4" | -0.098" to +0.098" | 60A (Medium Hard) | 1241N31 | 0000 |
| 2" | -0.125" to +0.125" | 60A (Medium Hard) | 1241N41 | 0000 |
12" Lg. | ||||
| 1 1/4" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N12 | 0000 |
| 1 1/2" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N22 | 0000 |
| 1 3/4" | -0.098" to +0.098" | 60A (Medium Hard) | 1241N32 | 00000 |
| 2" | -0.125" to +0.125" | 60A (Medium Hard) | 1241N42 | 00000 |
36" Lg. | ||||
| 1 1/4" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N13 | 00000 |
| 1 1/2" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N23 | 00000 |
| 1 3/4" | -0.098" to +0.098" | 60A (Medium Hard) | 1241N33 | 00000 |
| 2" | -0.125" to +0.125" | 60A (Medium Hard) | 1241N43 | 00000 |
72" Lg. | ||||
| 1 1/4" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N44 | 00000 |
| 1 1/2" | -0.079" to +0.079" | 60A (Medium Hard) | 1241N45 | 00000 |
- Color: Black
- Temperature Range: -65° to 300° F
- Tensile Strength: 1,450 psi
- For Use Outdoors: Yes
- Specifications Met: ASTM D2000 M CA 810 Z1, FDA Compliant 21 CFR 177.2600, NSF/ANSI 61, NSF/ANSI 372



























