rning Characteristics: Flame spread = 10, smoke density = 195; ASTM E84. 10. Thermal Shock Resistance: Passes 5 cycles, 75°F-295°F; ASTM C484. 11. Coefficient of Thermal Expansion: 1.36x1O inch per °F.; ASTM C531. 12. Weathering Resistance: Not affected after seven days in 1% sulfuric acid; ASTM C217. 13. Freeze-Thaw Resista