Glass fibre demonstrated at French show

An Owens Corning product story
Edited by the Engineeringtalk editorial team Apr 4, 2007

Owens Corning is presenting PerforMax HR 562 chopped strand glass fibre at JEC Composites Show 2007 - Expo Porte de Versailles, Paris, France.

Owens Corning is presenting PerforMax HR 562 chopped strand glass fibre at JEC Composites Show 2007 - Expo Porte de Versailles, Paris, France.

This is the latest technology advance in the company's PerforMax family of hydrolysis-resistant high-performance thermoplastic reinforcements.

Featured at Booth Q30, Hall 1, PerforMax HR 562 reinforcement has been developed for use with Polyphenylene Sulfide (PPS), to which it brings optimum heat resistance.

PerforMax HR 562 enables PPS to replace metals as well as expensive alternative hydrolysis-resistant specialty thermoplastics in hot water plumbing and heating applications.

The hydrolysis and fatigue resistance of PPS reinforced with PerforMax HR 562 led to its adoption by leading Japanese valve manufacturer, Time Engineering , for its diaphragm solenoid valves for domestic hot water boilers.

The ability to maintain its mechanical properties when in contact with boiling water enabled the material to successfully replace brass and bronze in these components.

PerforMax HR 562 chopped strand is tailored to the demands of applications exposed to fluids at high-temperatures, such as parts used for a broad range of plumbing applications.

PerforMax HR 562 reinforcement delivers the highest hydrolysis resistance of any glass fibre reinforcements used in conjunction with PPS, thereby reducing the risk of polymer breakdown by fluids and chemicals in high-temperature environments.

It also offers up to a 15% improvement in retained mechanical strength when compared to alternative hydrolysis-resistant chopped strand products.

Money is saved by replacing brass and bronze or higher cost hydrolysis-resistant thermoplastics that would otherwise be needed to withstand the degrading affects of high-temperature water.

According to Bernard Kaesmacher, Global Product Manager Chopped Strands at Owens Corning, "While PPS is a widely accepted polymer of choice for plumbing applications in Japan and throughout Asia-Pacific, it is not yet commonly used by the plumbing and heating industry in either Europe or the USA".

"However, because PPS modified with PerforMax HR 562 reinforcement can offer a considerable lower cost option to alternate polymers with comparable hydrolysis and fatigue performance, the material is attracting strong interest from the HVAC industry".

"This is borne out by Time Engineering's growing export sales of its valves into both the European and North American markets", says Kaesmacher.

PerforMax HR 562 also offers production advantages.

The PerforMax family of chopped strand reinforcements give significantly lower outgassing than competitive products, thus delivering cleaner mould surfaces, less downtime and enhanced final part aesthetics.

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