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Product Design Specifications. 1. Thermal Continuous operation at 900 °F Acceptable surface burning, 5/5 or better (ASTM E-84) 2. Sound Sound Transfer Coefficient comparable to mineral wool (STC 10) 3. Mechanical Compressive strength greater than mineral wool desirable (>1.7 psi)
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Product Design Specifications 1. Thermal • Continuous operation at 900 °F • Acceptable surface burning, 5/5 or better (ASTM E-84) 2. Sound • Sound Transfer Coefficient comparable to mineral wool (STC 10) 3. Mechanical • Compressive strength greater than mineral wool desirable (>1.7 psi) 4. Environmental • Must not adsorb water (<1 % by volume) • Must no allow for mold growth 5. Workability • One step installation process • Reduction in manufacturing steps (Currently 3 step) 6. Cost • Not more than 2x cost of mineral wool ($14.8/ft3)
Expanded Perlite Specifications 1. Thermal • Continuous operation at 1200 °F • Surface burning 0/0 (ASTM E-84) 2. Sound • STC 11 3. Mechanical • Compressive strength 80 psi 4. Environmental • Adsorbed water <1 % by volume • Resistant to mold growth 5. Workability • One step installation process • Receive and cut processing 6. Cost • $16.3/ft3, 1.1x cost of mineral wool