Kalrez® Perfluoroelastomer
O-rings and Seals
News Releases #1
March 2004 - April 2000

Problem Solving Products, Inc. solves sealing problems for original equipment manufacturers. Call (303) 758-2728 for instant help with any problem with o-ring seals.

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Article 17 3/14/2004 Kalrez® Spectrum™ 7075 Perfluoroelastomer O-Rings Seal Double-Arm (Z) Kneader, Increase MTBR Six Times Hermann Linden Maschinenfabrik GmbH & Co. KG, has chosen o-ring seals of Kalrez® Spectrum™ 7075 perfluoroelastomer to seal its double-arm (Z) kneaders which are used to process aggressive chemicals at temperatures from 100°C to 300°C in the chemical, pharmaceutical, paints, plastics and other industries.

Article 16 9/23/2003 Dow Agrosciences Switches to O-Ring Seals of Kalrez® Spectrum™ 6375, Gains Estimated 6000% in Seal Life One company has recently extended the lifetime of dynamic and static o-ring seals fitted to its product filling line from one day to an average of two months, an improvement of some 6000%, by replacing o-ring seals PTFE with Kalrez® Spectrum™ 6375.

Article 15 4/21/2003 DuPont Dow Introduces Kalrez® Bonded Door Seals; Seals Provide Improved Sealing Performance, Easy Installation The Kalrez® bonded door seals not only outperform conventional seals for slit and gate valve door seal applications but they extend seal life and reduce replacement time during preventive maintenance.

Article 14 4/21/2003 DuPont Dow to Demonstrate Latest Advances in Process Sealing With New Kalrez® Perfluoroelastomer and Viton® Fluoroelastomer O-ring Seals At ACHEMA 2003, DuPont Dow Elastomers will demonstrate step changes in chemical and hydrocarbon process sealing technology with the unveiling of its most recent high performance, Kalrez® Spectrum™ 7075 perfluoroelastomer parts for o-ring seals in severe sealing applications.

Article 13 3/10/2003 DuPont Dow Previews Newest Member of Kalrez® Spectrum™ Family For the Chemical Processing Industry In the first expansion of its Kalrez® Spectrum™ product line designed specifically for the Chemical Processing Industry, DuPont Dow Elastomers unveils its most recent high-performance product, Kalrez® Spectrum™ 7075.

Article 12 10/17/2002 DuPont Dow Features Kalrez® KVSP™, Kalrez® At ISA Conference And Exhibition Oct. 21-24 Kalrez® KVSP™ can help to significantly reduce fugitive emissions and improve process control to overcome the deficiencies of polytetrafluoroethylene (PTFE) and graphite packing systems.

Article 11 7/17/2002 DuPont Dow Elastomers Features New, Low Particle Generation Kalrez® O-ring Seals At SEMICON West DuPont Dow Elastomers continues to advance sealing technology with the development of new o-ring seals to enhance performance in highly aggressive environments like NF3 and oxygen plasma.

Article 10 5/28/2002 Sterile and Pharmaceutical Pumps Benefit From O-Ring Seals of Kalrez® Hilge-Pumpen AG has selected Kalrez® 6221 o-ring seals to seal its Euro-Hygia®, Hygiana-HT and Contra pump series, to meet stringent safety, cleanliness, sterilization, chemical resistance and seal life requirements demanded by the pharmaceutical, biotechnology and cosmetics industries.

Article 9 4/15/2002 DuPont Dow Elastomers Extends Capabilities Of Kalrez® Wet And Dry Process Seals At Semicon 2002 DuPont Dow Elastomers demonstrated further leadership providing ultra-pure Kalrez® o-ring seals for wet and dry, plasma etch, and gas deposition processes with Kalrez® 6375UP, Kalrez® Sahara™ Plasma 8575, and new Kalrez® 8002.

Article 8 10/22/2001 DuPont Dow Previews Newest Member Of Kalrez® Spectrum™ Family For The Chemical Processing Industry In the first expansion of its Kalrez® Spectrum™ product line designed specifically for the Chemical Processing Industry, DuPont Dow Elastomers has unveiled its most recent developmental product, Kalrez® Spectrum™ KLR7075.

Article 7 7/10/2001 DuPont Dow Elastomers To Showcase New Kalrez® Wet And Dry Process O-ring Seals At SEMICON 2001 DuPont Dow Elastomers will showcase new Kalrez® Sahara™ Plasma 8575 and Kalrez® 6375UP perfluoroelastomer parts at Semicon Europa 2001, to further extend its acknowledged leadership in providing long-life Kalrez® o-ring seals for both dry and wet semiconductor processes.

Article 6 6/29/2001 DuPont Dow Elastomers Features New Kalrez® UltraPure™ Perfluoroelastomer O-ring Seals At SEMICON West New Kalrez® 6375 UltraPure™ (UP) perfluoroelastomer o-ring seals offer the best overall performance characteristics - including exceptionally low contamination - in wet fabrication environments for today's chip-making processes.

Article 5 2/7/2001 ITT Richter Chooses FDA-Compliant Kalrez® To Seal Ultra-Pure Pharmaceutical Process Pumps The pharmaceutical and food processing industries have a critical need for sealing materials of the highest purity and integrity to help eliminate contamination and leakage of sensitive process fluids. However, o-ring seals and gaskets are often the weak link.

Article 4 2/7/2001 Pharma and Food Process Seal Problems Overcome with FDA-Compliant Kalrez®, Claims DuPont Dow At TechnoPharm 2001, DuPont Dow Elastomers will highlight FDA-compliant Kalrez® 6221 and Kalrez® 6230 perfluoroelastomer o-ring seals developed specifically to seal critical pharmaceutical and food processes.

Article 3 4/1/2000 Latest Semicon Sealing Solutions From Dupont Dow Help Improve Yields, Reduce Cost Of Ownership Semicon wafer fab processes are creating hotter and more aggressive environments for critical o-ring seals than ever before. At the same time, fabricators are looking for seals that help improve yields and thereby reduce cost of ownership.

Article 2 4/1/2000 New Kalrez® Sahara™ 8475 Meets The Semicon Sealing Challenge At High Temperatures Following many years of success with Kalrez® 4079, DuPont Dow Elastomers introduces new Kalrez® Sahara 8475, adding much lower IR absorption and negligible outgassing at temperatures up to 300°C to the excellent heat resistance of 4079.

Article 1 4/1/2000 Kalrez® SaharaTM Plasma 8575 From Dupont Dow Elastomers Runs o-Rings Around The Competition Kalrez® Sahara Plasma 8575 outperformed competitive materials in tests to approximate typical commercial plasma processing conditions. In these tests o-ring seals were placed on a silicon wafer in a process chamber and exposed directly to the most damaging plasma environments to quantify the o-ring resistance to plasma.

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