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Plastic Material Guide
This wattage guide is a general recommendation only. Actual wattage ratings are influenced by fixture type,
bulb location and ambient temperature. The light source should be located at the center of each shade.
Feature
Polyethylene
acrylic
Polycarbonate
Heat Resistance
G
G
E
Quality of Seams
F
E
E
UV Resistance
F
E
F
Strength
G
G
E
Light Transmission
F
E
G
Wall Thickness Uniformity
G
G
E
Shatter Resistance
E
F
G
Surface Characteristics
G
E
G
Appearance vs. Time
G
E
G
Strength vs. Time
G
E
F
Overall Appearance
G
E
G
KEY: E = Excellent G = Good F = Fair
Polyethylene
Globe
Watts
6"
40
8"
75
10"
100
12"
150
14"
200
16"
200
18"
250
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—
—
—
acrylic
Globe
Watts
6"
60
8"
75
10"
100
12"
150
14"
150
16"
200
18"
200
Cylinder watts
5"
60
Polycarbonate
Globe
Watts
6"
75
Cylinder watts
5½"
60
5¾"
60
6¼"
60
7¼"
60
8½"
60
8¾"
60
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—
Feature Comparison Chart
recommended Maximum
Incandescent wattage ratings