Dimension(L*W*T)
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|||
Length
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width
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Thickness
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1200mm
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1200mm
|
1.5mm
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|
Pattern
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Concave hexagon,cone bottom
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Note: according to customer demand for different mold, build the required size
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Item
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Test Method
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Unit
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PMMA
|
transmission rate
|
Transmissometer
|
%
|
92%
|
Haze
|
Transmissometer
|
%
|
80%
|
water adsorption
|
ASTM D570-98
|
%
|
0.3
|
distortion temperature
|
ASTM D648-07
|
℃
|
88
|
vicat softening temperature
|
ASTM D1525-09
|
℃
|
104
|
linear expansivity
|
ASTMD696
|
cm/cm/℃*10-5
|
7.6
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Thermal conductivity
|
ASTMD177
|
Cal/cm*sec℃*10-4
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4.5
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HRR
|
ASTM D785-08
|
-
|
123
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flammability
|
UL 94-1996
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|
flammability
|
UGR
|
UGR
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≤19
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