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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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