HIGH PERFORMANCE SILENTEX® ROVING
ST2070 HP single-end Type 30™ roving is specifically designed to be highly effective in reducing sound while increasing resistance to muffler blowout.
• HP glass provides longer service life with a high-temperature composition specifically engineered for the use in the Silentex® process, which minimizes process interruptions and ensures overall product efficiency. <br> <br> • Glass annealing temperature ≥ 750°C (according to ASTM C336). <br> <br> • Based on the available data and experience, Owens C corning recommends using ST2070 HP at a maximum continuous glass temperature of ~775°C. <br> <br> • Improved alkaline and acid corrosion resistance compared to regular E-CR glasses and E-glass.
• Smooth run-out from lower drag across contact points produces less fuzz, resulting in smoother parts, less clean-up, and improved machine efficiencies.
• Narrow and consistent fiber diameter distribution for consistent acoustic absorption, and fibers are not respirable into the deep lung.
ST2070 HP is designed for use in the manufacture of front and mid automotive muffler systems (especially in direct injection engines) where the inlet temperatures exceed the characteristics of E-CR glasses.
|PRODUCT||AVE. FILAMENT DIAMETER (μ): ISO 1888||LINEAR DENSITY (TEX): ISO 1889||LOSS ON IGNITION (%): ISO 1887||MOISTURE (%): ISO 3344||MANUFACTURING REGION|
|ST2070 HP||24||4800±400||0.34 (max 0.5)||<0.2||Taloja (India)|