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 Model Number |
High Index / ST11HI |
Introduction
ST11HI is a heat curable coating material to be used for high refractive index lenses. It is composed of silicone monomers, titanium dioxide and solvents and is yellow color liquid.
Application
Coating on casted plastic lenses ; MR-8 lenses and other high refractive index lenses
Performance Highlights
- Excellent scratch / abrasion resistance
- Excellent retention of transparency
- Excellent weather resistance / edge gloss
Processing Introductions
- Coating : Dip Coating
- Curing : 70~80°C, 10min(First) / 110~120°C, 2hr(Second)
Storage and Handling
- Shelf life : 3 months at -10°C, 2 months at 7°C
- Coating should be done at RH＜ 50%
Packing
3kg plastic container
Properties
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Item
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ASTM
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Unit
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Properties
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Notes
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Coating
Solution
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Density
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D 1475
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g/mL
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1.010~1.020
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11℃
|
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Viscosity
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D 2196
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cP
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2.9~3.9
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11℃
|
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Solid Content
|
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%
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31.0~35.0
|
130℃, 30min
|
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pH
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E 70
|
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3.6~4.6
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25℃
|
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Coated
Film
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Thickness
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D 4138
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㎛
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2.0~3.0
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Prism Coupler
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Refractive Index
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F 576
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-
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1.580
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Prism Coupler
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Transmittance
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D 1003
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%
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>95
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UV/Vis Spectrometer
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Adhesion
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D 3359
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-
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5B
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Tape test, 3 Times
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Chemical Resistance
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D 2792
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-
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Pass
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MeOH, IPA, n-BuOH
25℃, 4 Hours
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Hot Water Resistance
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D 870
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-
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Pass
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100℃, 10min
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Scratch Resistance
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Steel Wool
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-
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Pass
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#0000, 1.0kg Load
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