line 66 depicts the composite loss factor of a panel with a first viscoelastic layer formulation as a function of temperature with the first viscoelastic layer formulation the panel exhibits a composite loss factor of approximately 0 01 at 0 u00b0 f 0 40 at approximately 70 u00b0 f and approximately 0 06 at 200 u00b0 f furthermore with the first viscoelastic layer formulation the panel exhibits a composite loss factor of at least 0 05 i e 5 percent at all temperatures between approximately 40 u00b0 f and approximately 220 u00b0 f and the panel exhibits a composite loss factor of at least 0 10 i e 10 percent at all temperatures between approximately 55 u00b0 f and approximately 160 u00b0 f as shown by line 66 line 70 depicts the composite loss factor of a panel with a second viscoelastic layer formulation as a function of temperature with the second viscoelastic layer formulation the panel exhibits a composite loss factor of approximately 0 02 at 50 u00b0 f 0 40 at approximately 160 u00b0 f and approximately 0 20 at 200 u00b0 f furthermore with the second viscoelastic layer formulation the panel exhibits a composite loss factor of at least.