3-A O-Rings

Protect Dairy Products and Consumers with 3-A O-Rings and Seals

Dairy

Marco Rubber manufactures 3A O-rings, 3A EPDM, 3A Kalrez® FFKM Markez®, Viton®, Sanitary Clamp Gaskets Hygienic Seals and custom components in accordance with 3-A Standard 18-03 “3-A Sanitary Standards for multiple-use rubber and rubber-like materials used as product contact surfaces in dairy equipment”, defining requirements for food quality materials that must also be suitable for cleaning and sanitizing solutions.

Formed by the US food and Dairy industry, 3A Sanitary Standards Inc. defines specifications and best practice for the design, manufacture, installation and use of hygienic equipment. As with FDA, the 3-A standards are adopted on a worldwide basis.

Marco Rubber elastomers meeting the UDSA 3-A standard include 3A EPDM, 3A Kalrez® FFKM Markez®, Viton® allowing equipment manufacturers/users to select the most appropriate elastomer to temperature, chemical and physical performance criteria. An additional requirement some of our 3A O-Rings and materials meet is free from animal derived ingredients (ADI-free).

O-Rings Stacked Colors

Popular Compounds

Contact us for help selecting from these and the many more available.

CPD#MATERIALDUROMETER (SHORE A)COLORLOW TEMP (F)HIGH TEMP (F)FDA*USP CLASS VI**NSF61USDA 3AMETAL DETECTABLE
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E1000EPDM70Black-65300checkmarkcheckmark
Peroxide cured EPDM, Different Durometer , KTW, WRAS standards available
E1074EPDM70White-65300checkmarkcheckmarkcheckmark
Wide range of compliance
E1080EPDM70Black-40250checkmarkcheckmarkcheckmark
Wide range of compliance
E1097EPDM70Black-65300checkmarkcheckmarkcheckmark
Formulated for Chloramine Resistance. Can be manufactured in custom shapes with minimal setup charge.
B1002NBR70Black-30250checkmark
Available in many durometers and colors
B1039NBR70White-30250checkmark
Available in many durometers and colors
B1058NBR70Black-30250checkmarkcheckmark
KTW, WRAS and other standards available.
B1105NBR70Black-30250checkmarkcheckmark
Metal detectable for contamination detection sensors(additional colors available)
S1000VMQ70Orange-75400checkmark
Available in many durometers and colors
S1020VMQ70Clear Translucent-75400checkmark
Clear Translucent, available in many durometer and color choices.
S1037VMQ70Clear Translucent-75400checkmarkcheckmark
Clean room manufactured, platinum cured (specific base materials and cleanroom packaging options available)
S1083VMQ70Clear Translucent-65400checkmarkcheckmark
Commercial manufactured, platinum cured (cleanroom manufacturing and packaging options available)
S1146VMQ70White-75480checkmarkcheckmark
Cleanroom manufactured, Lower cost than clear
V1039FKM75White-15437checkmarkcheckmark
Cleanroom manufacturing and packaging options available
V1118FKM70White-15437checkmarkcheckmarkcheckmark
Steam Resistant Terpolymer, Also available in black
V1148FKM70Black-15392checkmarkcheckmark
Metal detectable for contamination detection(additional colors available)
Z1416FFKM75Black-5610checkmark
FDA compliant, higher temperature resistance, wide chemical compatibility. Compare to Kalrez® 6230, Kalrez® LS222
Z1703FFKM75Black5525checkmarkcheckmark
Low cost performance value, nearly universal chemical compatibility, acid, amines, solvents, compression set resistance, FDA compliant and USP Class VI medical grade. Compare to Kalrez® 6230, Kalrez® LS222
Z1318FFKM75White5500checkmarkcheckmark
USP Class VI and FDA compliant white FFKM with wide range compatibility. Compare to Kalrez® 6221, Kalrez® LS205, Chemraz® 625

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FDA compliance per 21 CFR 177.2600 parts A-D, E&F approved compounds available upon request. **USP <87> and USP <88> approved compounds available upon request.
The temperature ranges presented above are approximations for dry air service only and should not be used to determine design specifications or end-use temperature limits. Actual temperature range of a compound in an end-use application is highly dependent on part type, hardware configuration, applied forces, chemical media, pressure and thermal cycling effects, and other factors. The most practical way of determining an end-use temperature range is testing in the actual application conditions. Consult a Marco Engineer for more details.