O-Ring Fluorosilicone Elastomers work down to -100°F.

Press Release Summary:

Functional in temperatures to +350°F, fluorosilicone seal materials LM158-60, LM159-70, and LM160-80 are resistant to petroleum-based oils, greases, and fuels. They are formulated to exhibit short-term rebound resilience and meet aerospace and automotive application requirements. Able to be used in fire-resistant synthetic hydrocarbon hydraulic fluids in static applications, materials minimize tearing of O-rings during installation and promote use of automated assembly.

Original Press Release:

O-Ring Fluorosilicone Elastomers Provide Extreme Low Temperature Performance and Outstanding Fuel and Oil Resistance

January 26, 2007 - Parker Seal Group's O-Ring Division now offers three fluorosilicone seal materials, LM158-60, LM159-70, and LM160-80, to meet the needs of multiple applications in the aerospace and automotive markets.

These materials have outstanding low temperature properties, with functional temperatures ranging from -100°F to +350°F (-73°C to +177°C). LM158-60, LM159-70 and LM160-80 also provide excellent resistance to petroleum-based oils, greases, and fuels. In addition, these fluorosilicone O-rings are used in fire-resistant synthetic hydrocarbon hydraulic fluids in static applications, especially those used at low temperatures.

Historically, fluorosilicones have not offered good short-term rebound resilience. Parker's new LM158-60, LM159-70, and LM160-80 fluorosilicone compounds exhibit dramatic improvements in this area with results that can easily be observed. With this improvement, these three materials allow for decreased incidence of torn O-rings during installation and makes automated assembly more feasible.

Parker O-Ring Division products are at the leading edge of elastomer technology. Parker O-Ring Division offers a broad spectrum of materials for aerospace and automotive sealing applications ranging from the chemically resistant, low temperature fluorosilicones, to a variety of premium elastomeric sealing materials.

Throughout every phase of the process, and for whatever extremes an application demands, Parker O-Ring Division has the products to meet the Aerospace and Automotive industries sealing requirements. Whether it is an "off-the-shelf" industrial standard or a material in a custom size developed to customer specifications, our commitment to service is designed to minimize downtime. In addition to O-Rings Parker O-Ring Division offers ParBak(TM) anti-extrusion rings, installation lubricants and O-Ring assembly and removal tools. Our manufacturing plants are TS 16949 and AS 9100 registered.

With annual sales exceeding $9 billion, Parker Hannifin is the world's leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets. The company employs more than 57,000 people in 43 countries around the world. Parker has increased its annual dividends paid to shareholders for 50 consecutive years, among the top five longest-running dividend-increase records in the S&P 500 index. For more information, visit the company's web site at www.parker.com, or its investor information site at www.phstock.com.

Contact: Samantha Sexton
859-268-5075 ssexton@parker.com

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