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Saint-Gobain Seals Group's Marathon Diaphragms Achieve USP Class VI Compliance, Further Meeting Needs of Medical Device Manufacturers

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Saint-Gobain Performance Plastics, Omniseal<R>
7301 Orangewood Ave.
Garden Grove, CA, 92841
USA



Press release date: February 24, 2014

WILLICH,  GERMANY – Saint-Gobain Seals Group's Marathon® diaphragms were recently certified as USP Class VI compliant, in which the plastic resin material passed Class VI certification for particular use in medical devices and expected to produce favorable biocompatibility results.  The certification is notable since compliance to USP Class VI is often requested by end users (medical device manufacturers).  USP (United States Pharmacopeia) is an independent, science-based public health organization in the United States that promotes public health by establishing state-of-the-art standards to ensure the quality of medicines and other health care technologies.

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) and an “in vivo” study (under USP General Chapter <88> biological reactivity test) were conducted on the Seals Group's diaphragms.  There are three in vivo tests involved in the classification of plastics: the Systemic Injection and the Intracutaneous tests are designed to determine the systemic and local biological responses to plastics and other polymers by a single dose injection of specific extracts prepared from a sample, while the third test, the Implantation test, is designed to evaluate the reaction of living tissue to a test material.

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® diaphragms are manufactured using premium PTFE or modified PTFE under Class 10000 cleanroom conditions and Good Manufacturing Practice (GMP) process.  In addition to having over 45 years expertise in designing and manufacturing these diaphragms, they also specialize in tooling expertise as well as offer R&D and testing capabilities.

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-gobain.com.

About Saint-Gobain Seals Group (www.seals.saint-gobain.com)
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:
 
Spring-Energized Seals
PTFE Rotary Shaft Seals
Fluoroelastomer Seals
EMI / RFI Shielding Solutions
High-Performance Fluoropolymer Compounds
Thermoset Polyimide Materials
High-Performance Thermoplastic Materials

Other products include Fluoroloy® (high-performance custom-formulated compounds and alloys), cup seals, hydraulic seals, metal seals, v-packings, piston rings, Marathon® (valves and vacuum pump diaphragms), Transband® (PTFE creepage band), custom parts, polymer bearings and stock shapes.

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.

Editorial Contact:
Rebecca Phan
Marketing Coordinator
Saint-Gobain Seals Group
sealsmarketing@saint-gobain.com
www.seals.saint-gobain.com


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