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| | | TYPE 30® ROVING | | |
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| | | ST2000 TYPE 30® ROVING FOR SILENTEX® NOISE CONTROL SOLUTIONS The Silentex® noise control solution is a unique system that enables improved durability and acoustic performance while significantly reducing overall system cost. The I62A product is Owens Coming's 24|j,m 4800 tex single end Type 30 roving based on the Advantex® high temperature composition and is specifically engineered for use in the Silentex process. | |
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| | | TYPICAL THERMAL PROPERTIES | | |
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| | | | | | | | | | | PHYSICAL PROPERTY | STANDARD E GLASS ADVANTEX GLASS | | | | Softening point °C | | 846 | 916 | | | | Annealing point °C | | 670 | 736 | | | | Strain point °C | | 630 | 691 | | | | Thermal expansion (ppm/°C) at -30°C to 250°C | 5.4 | 5.9 | | | | Density (g/cc) | | 2.60 | 2.62 | | | | Young's modulus at 23°C (GPa) | | 72.3 | 76.6 | | | | Young's modulus at 540°C (GPa) | | 81.3 | 84.3 | | | | Refractive index | | 1.558 | 1.561 | | | | GLASS FIBER NOMINAL COMPOSITIONS | | | | OXIDE | STANDARD E GLASS | ADVANTEX GLASS | | | | SiO2 | 52-56% | | 59-62% | | | | CaO | 16-25% | | 20-24% | | | | Al2O3 | 12-16% | | 12-15% | | | | MgO | 0-5% | | 1-4% | | | | B2O3 | 5-10% | | <0.2% | | | | Other oxides | <5% | | <2% | | | | | | | | | | | |
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