Weathering Data Sheet: Geon 85857 - PolyOne

GEON ® 85857
Extrusion Cube Compound
Color Weatherability
Geon 85857 is a proven weatherable rigid vinyl compound that has been successfully used in exterior applications
for many years. The following table summarizes the actual outdoor weathering data for this compound.
6 Months 12 Months 24 Months 36 Months 60 Months
AZ OH FL AZ OH FL AZ OH FL AZ OH FL AZ OH FL
Beige 348
∆ L 0.95 -0.76 0.88 1.24 1.26 1.39 3.21 2.99 3.51 - - - - - -
∆ a -0.18 -0.08 -0.08 -0.26 -0.13 -0.18 -0.36 -0.29 -0.24 - - - - - -
∆ b 0.05 -0.76 -0.68 -0.32 -1.02 -0.85 -1.34 -2.29 -2.26 - - - - - -
∆ E 0.97 1.07 1.12 1.31 1.63 1.64 3.49 3.77 4.18 - - - - - -
Beige 349
∆ L -0.23 -0.38 0.07 -0.03 -0.23 0.19 0.49 1.95 0.14 -0.12 2.33 0.15 -0.23 1.85 -0.36
∆ a -0.13 0.03 0 -0.09 0.02 -0.05 -0.04 -0.04 -0.04 -0.21 0 -0.10 -0.14 0.01 -0.07
∆ b 0.84 0.01 -0.88 0.29 -0.47 -0.17 -0.31 -1.75 -0.03 1.02 -2.12 0.34 0.99 -1.43 0.66
∆ E 0.88 0.38 0.88 0.30 0.53 0.26 0.58 2.62 0.15 1.05 3.15 0.38 1.03 2.34 0.76
Beige 359
∆ L 1.57 0.55 1.62 4.61 3.48 3.03 3.03 7.29 4.22 2.48 7.63 3.22 - - -
∆ a -0.28 -0.14 -0.26 -0.70 -0.64 -0.59 -0.44 -1.21 -0.59 -0.40 -1.32 -0.50 - - -
∆ b -0.65 -0.52 -0.78 -1.11 -1.52 -1.23 -0.52 -2.68 -1.30 -0.31 -2.49 -0.92 - - -
∆ E 1.73 0.77 1.81 4.79 3.86 3.32 3.10 7.86 4.46 2.53 8.13 3.38 - - -
Gray 238
∆ L - - - 0.08 2.09 2.07 -0.04 4.29 3.35 - - - - - -
∆ a - - - -0.98 0.57 -0.65 -0.37 -0.11 -0.16 - - - - - -
∆ b - - - 2.26 1.23 1.34 2.42 0.67 0.65 - - - - - -
∆ E - - - 2.46 2.50 2.54 2.45 4.35 3.42 - - - - - -
Black 288
∆ L 0.28 0.05 -0.90 0.05 -0.21 -1.80 0.84 -1.02 -0.97 - - - - - -
∆ a -0.04 0.01 -0.04 -0.04 -0.06 -0.01 -0.08 -0.06 -0.06 - - - - - -
∆ b -0.21 -0.29 -0.05 -0.06 -0.17 -0.05 0.09 -0.17 -0.15 - - - - - -
∆ E 0.35 0.30 0.90 0.09 0.27 1.80 0.85 0.27 0.98 - - - - - -
Color Change in Hunter L,a,b units
∆ L - change in lightness/darkness direction
∆ a - change in red/green direction
∆ b - change in yellow/blue direction
∆ E - total color change