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| LIGHTING SPECIFICATIONS
Specification page for translucent varieties of
LUMAsiteฎ reinforced acrylic sheets and diffusers (often used for a lighting
diffuser in the thinner gauges, and in partitions or as a translucent
architectural panel in thicker gauges up to ผ).
Light Transmissions
|
VARIETIES |
PERCENT LIGHT
TRANSMISSION
(Typical
values: air = 100%) |
|
Frost-SOS
Parchment-SOS |
.045 |
.060 |
.090 |
.125 |
.150 |
.187 |
.250 |
|
82 |
80 |
76 |
72 |
69 |
64 |
59 |
|
|
|
70 |
66 |
|
55 |
50 |
|
White 1000-SOS
Rice-SOS
Sky-SOS |
71 |
70 |
62 |
58 |
55 |
49 |
42 |
|
|
72 |
66 |
62 |
59 |
52 |
44 |
|
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52 |
46 |
41 |
|
29 |
20 |
|
Jade-SOS |
|
62 |
55 |
48 |
|
38 |
30 |
Physical Properties
|
PROPERTY |
METHOD |
VALUE |
|
Flexural strength, 73 F. |
ASTM
D-790 |
20,000 psi |
|
Flexural modulus, 73 F. |
ASTM
D-790 |
1,000,000 psi |
|
Tensile strength, 73 F. |
ASTM
D-638 |
14,000 psi |
|
Compressive strength, 73 F. |
ASTM
D-695 |
25,000 psi |
|
Impact strength, 73 F. |
Izod,
notched |
6
ft-lbs/in |
|
Hardness |
Barcol impressor |
55 |
|
Heat
distortion temp, 264 psi |
ASTM
D-648 |
210
F. |
|
Coeff.
of expansion |
ASTM
D-696 |
.00002 in/in F. |
Observed Deflection of
edge-supported flat diffusers:
|
Thickness |
Size |
Initial |
Two Years |
Comments |
|
.045 |
24x
24 |
3/16 |
1/4 |
satisfactory if clipped in place |
|
.045 |
24 x
48 |
3/8 |
1/2 |
not
recommended |
|
.060 |
24 x
24 |
1/8 |
3/16 |
satisfactory |
|
.060 |
24 X
48 |
1/4 |
3/8 |
satisfactory if clipped in place |
|
.060 |
36 x
36 |
5/16 |
7/16 |
not
recommended |
|
.090 |
24 x
48 |
3/16 |
1/4 |
satisfactory |
|
.090 |
36 x
36 |
3/16 |
1/4 |
satisfactory |
|
.090 |
36 x
48 |
3/8 |
1/2 |
marginal |
|
.125 |
24 x
48 |
1/8 |
3/16 |
satisfactory |
|
.125 |
36 x
36 |
1/8 |
3/16 |
satisfactory |
|
.125 |
36 x
48 |
3/16 |
3/16 |
satisfactory |
|
.125 |
48 x
48 |
3/8 |
3/8 |
satisfactory |
|
.125 |
48 x
60 |
1/2 |
3/4 |
marginal |
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