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3A 18-03 Sanitary Seals for Dairy

PPE manufactures food-grade gaskets and seals including  O-rings, hygienic gaskets and custom-designed seal components in accordance with 3A Standard 18-03 “3A 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 3A standards are adopted on a worldwide basis.

3A Sanitary Seals from PPE

All PPE’s 3A Sanitary Standards approved elastomers are FDA-compliant to FDA CFR21.177.2600, free from animal derived ingredients (ADI-free), resistant to steam sterilization, milk fat and water, acid and alkali cleaning solutions and chlorine sanitizing solution.

Equipment manufacturers/users can select the most appropriate elastomer material based on temperature, chemical and physical performance requirements, PPE elastomers meeting the 3A 18-03 standard include:-

  • Class I - Silicone, FKM and FFKM
  • Class II - NBR and EPDM
  • Class III - HNBR


How can we help?  Looking for 3A sanitary seals? Contact us to discuss your requirements.

Document Downloads
Document Description Download
Certificate 3A 18-03 Certificate Download File
Brochure Food, Dairy & Pharma Download File
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