Ryton® PPS injection molding compound R-4-232NA complies with U.S. FDA and European Union (EU 10/2011 and 1183/2012) regulations for use as components of articles intended for repeat use in contact with all types of foods. Additionally, in accordance with U.S. FDA Food Contact Notification (FCN) 1083, all Ryton® PPS production polymers may be used as components in the manufacture of articles for repeat-use food-contact applications, in contact with all types of food, under Conditions of Use A-H, and J, and also meet EU 10/2011 and 1183/2012 requirements.
Polyphenylene sulfide resins are also specifically permitted under 21 CFR 177.2490 as coatings or components of coatings of articles intended for repeated food contact use, subject to certain limitations. Several Ryton® PPS injection molding compounds have also been certified to comply with the requirements of various standards for use in contact with potable water. It is the responsibility of the manufacturer of the final article to determine the safety and suitability of Ryton® PPS for such applications.