CLAREX Products
Below lists are the basic CLAREX product categories. Please refer to each product category for the detail, and feel free to ask for customization or new development.
Super Hard Coat Sheet (RHG)
CLAREX Super Hard Coat (RHG) sheet is the Sell-Cast PMMA sheet with 9H pencil hardness on front and/or back surface.
Features
- One of the best Surface Hardness in the plastic sheet industry. (Pencil Hardness over 9H)
- High transparency.
- No birefringence (or double refraction) so it is better for optical sensor application.
- Excellent light resistance.
- Many kinds of substrate colors to choose from. (Color Matching is also available)
- Ultra-smooth sheet surface.
- Surface texture can be changed. (Flat/Glossy surface to Non-Glare surface texture)
Application
Optical Filters / Sensor Filters / Display Protection Window / etc.
Thickness
0.5mm～5.0mm
General Properties
| Properties | Test Method （JIS） |
Unit | Hard Coat Grade |
Super Hard Coat Grade |
|
|---|---|---|---|---|---|
| JIS | ASTM | RH20 001 | RHG20 001 | ||
| ■ Mechanical | |||||
| Pencil Hardness | K5600 | - | H | over 6 | over 9 |
| Coating Adhesion | **1 | - | 100/100 | ||
| Abrasion Resistant | **2 | - | No scratch | ||
| ■ Optical | |||||
| Total Light Transmittance | K7361-1 | D-1003 | % | 92 | |
| Haze | K7136 | D-1003 | % | 0.1 | 0.2 |
| ■ Thermal | |||||
| Heat Distortion Temperature | K7191-2(A) | D-648 | ℃ | 110 | |
| Coefficient of Thermal Expansion | K7197 | D-696 | cm/cm℃ | 7×10-5 | |
| ■ Miscellaneous | |||||
| Water Absorption (24hr) | K7209 | D-570 | % | 0.3 | |
※These are our experimental measured values in Flat 001 transparent sheet. Specifications are subject to change at any time.
(if not otherwise specified, values measured in 3.0mm thick)
※Spectral Transmission measured with NDH4000 Nippon Denshoku Industries Co., Ltd.
**1：Cross-cut Test (10x10 grid)
**2：Steel Wool Scratch Test (#0000 steal wool / 1.0kg x 10 round)
Optical Data
RHG Hard Coat Sheet - RHG20 Flat 001
※These are our experimental measured values in 1.0mm thick.
※Value provided cannot be guaranteed in your application due to circumstances beyond our control.
Optical Data Download
CLAREX RHG Hard Coat Sheet - RHG20 Flat 001
※For browsing method of PDF file, please click here.
If you have any inquiries or requests, please contact us.