USP defines six plastics classes from I to VI, with VI being the strictest, and their class plastic tests are designed to assess the biological reactivity of various types of plastics materials in vivo. To meet the requirements for Class VI certification, which require the most extensive testing, a specific “in vitro” study (based on the USP General Chapter <87> biological reactivity test to determine potential cytotoxicity)
Saint-Gobain Seals Group is a leading provider of sealing and polymer solutions, producing a wide range of high purity and high-performance diaphragms for valves in various industries. In order to meet the harsh environmental and processing requirements of multiple industries such as pharmaceutical, chemical or biotechnology, Marathon® (http://www.seals.saint-
Aside from the above recent certification, Marathon® diaphragms have proven to be compliant for repeated contact with food or drugs for oral consumption under Title 21CFR §177.1550 of the United States Food and Drug Administration (FDA). The monomer (an organic molecule that reacts with other molecules to form the polymer) used in the product is also listed and complies with the European Regulation 1935/2004 and 10/2011 in conjunction with materials and articles made of plastics and intended to come into contact with food items or toys.
Furthermore, Marathon® diaphragms comply with 3-A Sanitary Standard 20-25, covering the material requirement of plastics for multiple uses as product contact and/or cleaning solution contact surface.
Additional information about the Seals Group’s Marathon® product line or other sealing and polymer solutions can be found at www.seals.saint-
About Saint-Gobain Seals Group (www.seals.saint-
Saint-Gobain Seals Group is a business unit under Saint-Gobain Performance Plastics’ Engineered Components division; our parent company is one of the world’s top 100 industrial groups. With more than 50 years of manufacturing experience and an established global presence (with strategic sites in Garden Grove, California, USA; Kontich, Belgium; and Minhang, Shanghai, China), we offer a diverse range of innovative sealing and polymer solutions:
· OmniSeal® Spring–Energized Seals
· OmniLip™ PTFE Rotary Shaft Seals
· OmniFlex™ Fluoroelastomer Seals
· OmniShield® EMI / RFI Shielding Solutions
· Rulon® High-Performance Fluoropolymer Compounds
· Meldin® 7000 Thermoset Polyimide Materials
· Meldin® HT High-Performance Thermoplastic Materials
Other products include Fluoroloy® (http://www.seals.saint-
The majority of seals and polymer components manufactured are custom designed and matched with the best materials to optimize their performance in various applications and markets.