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PMMA Diffuser for Thermoforming
Diffuser sheet
Product Details
Specification
Length: Made as customer's demand
Width: 900mm-1350mm
Thickness: 1.8mm, 2mm, 2.2mm, 2.5mm, 3mmFor small size, saw cutting service is available.
Character
Light weight, weather resistance ( at least 5 years ), good light efficiency, light transmittance can be 80%-90% after forming to lampshade, and light is uniform and soft.
Item |
Test Method |
Unit |
Value |
Light Transmission |
ASTM D1003 |
- |
80%-90% |
Water Absorption |
ASTM D570-98 |
% |
0.01 |
Vicat Softening Temp |
ASTM D1525-09 |
℃ |
104.0 |
Heat Distortion Temp |
ASTM D648-07 |
℃ |
≥85 |
Coefficient of Thermal Expansion |
ASTMD696 |
In/IN-F |
0.000033 |
Rockwell hardness |
ASTM D785-08 |
- |
M-95 |
Flammability |
UL 94-1996 |
HB |
|
Longitudinal shrinkage rate |
WZ-YF-JYQB-025 |
% |
≤5 |
Transverse elongation rate |
WZ-YF-JYQB-025 |
% |
≤3 |
Application
J.K thermoforming acrylic sheet is an idea material of lampshade for LED ceiling light:
Code |
Thickness |
Appearance |
Recommend Light Source |
Transmission (Before Thermoforming) |
Transmission (after Thermoforming) |
Commends |
JK-60 |
2.0mm |
One side matt, Another side orange peel texture |
Led or Fluorescent |
60% |
85%-90% |
Highest efficiency, Excellent lamp hiding |
Jk-50 |
2.0mm |
One side matt, Another side orange peel texture |
Led or Fluorescent |
50% |
80%-85% |
High efficiency, Excellent lamp hiding |
Jk-40 |
2.0mm |
One side matt, Another side orange peel texture |
Led or Fluorescent |
40% |
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