Invista has announced increase of its high tenacity Polyester fiber prices by 10% in North America from April 18, 2005. Increase in price is the result of the action to offset increasing raw material, transportation and

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| energy costs that continue to impact its Polyester fiber business, according to the company. This is the third increase in price by the company in the last six months. Invista raised its prices for high tenacity Polyester by 10% in October last year, and again by 10% in January this year. 

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