Water and oil repellent coating SURFCLEAR
What is Water and oil repellent coating?
These coatings have a property that repels water and oils that land on their surface.
Benefits: Lowers adhesion of contaminants, improves ease of contaminant removal, protects against
scratches, etc.
![What is Water and oil repellent coating?](/ja/img/evaporation/surfclear/img01_en.png)
Characteristics by Type
SURFCLEAR 100
Water drops run off easily
Fingerprints and other oily contaminants wipe off easily
Difficult to
scratch
![SURFCLEAR 100](/ja/img/evaporation/surfclear/imgnav02_en.jpg)
NEW SURFCLEAR 300
Provides stable water and oil repellency even outdoors
Significantly lower degradation due to salt
damage
Highly resistant to acids, alkalis, and other chemicals
![SURFCLEAR 300](/ja/img/evaporation/surfclear/imgnav06_en.jpg)
Common Characteristics
Water repellent | Reduces the adhesion of water drops, water marks |
---|---|
Antifouling | Reduces the attachment of fingerprints, allows easy wiping and enhances durability |
Scratch resistant | Reduces the occurrence of scratches due to decreased friction |
Anti-corrosive | Mitigates corrosion of metal surfaces |
Low refractive index | Provides less impact on optical properties |
Production process | Vapor deposition coating made on SiO2, giving highest quality |
![Appearance](/ja/img/evaporation/surfclear/img01.jpg)
Appearance
Basic Features
SURFCLEAR 100 | SURFCLEAR 300 | |
---|---|---|
Contact angle (2.5 μl of pure water) |
117° | 115° |
Sliding angle (30 μl of pure water) |
2° | 7° |
Refractive index | 1.33 | 1.34 |
Recommended coat thickness | 16nm | 10nm |
![AR+AF膜の分光特性(反射率/両面研磨基板)](/ja/img/evaporation/surfclear/graph-01_en.png)
SURFCLEAR 100 provides high slip performance even with tiny water drops
Sliding Angle for Water Test Conditions | |
---|---|
Measurement device | Contact angle measuring instrument |
Measuring method | Tangent method |
Droplet used | Pure water: Ion-exchanged water |
Durability Assessments
![AR+AF膜の分光特性(反射率/両面研磨基板)](/ja/img/evaporation/surfclear/graph-02_en.png)
SURFCLEAR 300 maintains its performance even in extreme environments
Accelerated Weathering Test Conditions | |
---|---|
Test device | Xenon Weather Meter |
Relative humidity [%Rh] | 50 |
Testing time [hours] | 920 Equivalent to two years |
Light source | Xenon arc lamp |
Filter | Quartz/ #275 |
Irradiance [W/m2] | 180 |
Water spray cycle | Sprayed for an 18-minute period for each 120-minute period of exposure |
![AR+AF膜の分光特性(反射率/両面研磨基板)](/ja/img/evaporation/surfclear/graph-03_en.png)
The SURFCLEAR series exhibits high abrasion resistance
Abrasion Resistance Test Conditions | |
---|---|
Abrasion material | Steel wool #0000 |
Load [g] | 1000 |
Speed [mm/sec] | 60 |
Abrasion distance [mm] | 15 |
Application
Application examples
![Application examples](/ja/img/evaporation/surfclear/img02_en.png)
SURFCLEAR 300
- Sunglasses and goggles … improves ease of removing fingerprints without affecting optical characteristics
- Automobile cameras and mirrors … reduces adhesion of water drops and formation of water marks
- Smartwatches, wireless headphones, and other wearable devices … improves ease of removing contaminants
- Digital signage and other touch panels … minimizes likelihood of scratches by maintaining slip performance in outdoor applications
- Security cameras and video intercoms … reduces maintenance by preserving antifouling performance in outdoor applications
SURFCLEAR 100
- Smartphones, tablets, and game consoles … improves operability with a better finger-sliding feel and improves ease of removing fingerprints
- Watches and game consoles … minimizes likelihood of scratches by improving slip performance
- Eyeglasses, sunglasses, and camera lenses … reduces adhesion of water drops without affecting optical characteristics
- Displays … reduces adhesion of fingerprints and other oily contaminants
Deposition examples
See examples of depositions that combine anti-reflection and antifouling coatings