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Reichhold issued details of two new resins at Composites 2004.
The new Polyite ABR 33306 acrylic bonding resin sets a new standard for adhesion to acrylic while providing improved processability and allowing increased filler loadings.
Polyite ABR 33306 is MACT-compliant with 38% styrene providing low working viscosity while allowing higher filler loadings with ease of processing. It can also eliminate production steps by replacing the “tie coat” application process (a layer of resin applied directly on the acrylic surface to “tie” the acrylic to the back-up resin). In tub / shower applications, Reichhold customers are now able to eliminate use of the “tie” coat and build the entire part with Polyite ABR 33306 resin. Polyite resins are aimed at applications that use vacuum-formed acrylic sheet to produce parts such as tubs, shower walls, shower pans and even small engine covers.
Dion FR 9300 brominated bisphenol epoxy vinyl ester resin from Reichhold has recently been tested and certified as having achieved a flame spread rating of 30 without antimony additives. The testing was completed by Southwest Research of San Antonio, Texas (USA).
This means that large, fibre reinforced plastic (FRP) ducting systems, gas scrubbers, and stack liners fabricated using DIion FR 9300 can achieve a near Class I flame spread rating under ASTM E 84 Standard Test Method for Surface Burning Characteristics of Building Materials and still be inspected for visual defects as described in ASTM D2563-94 Standard Practice for Classifying Visual Defects in Glass-Reinforced Plastic Laminate Parts.
Large ducting systems, gas scrubbers, and stack liners are critical, high cost pollution control equipment used in flue gas desulphurization at coal-fired power plants. The ability to visually inspect this equipment during fabrication helps end users ensure that only high quality equipment is delivered to plants. In the past, antimony trioxide was used to achieve a maximum flame spread of 25 (Class I) under ASTM E 84. However, antimony trioxide caused the finished laminate to be opaque, thus preventing inspectors from seeing visual defects in the laminate, such as air bubbles or crazing.
Reichhold has launched a new website at www.Reichhold.com. This new website is a significant improvement over the company’s previous site and brings many benefits to Reichhold customers and distributors.
For more information visit: