Electronics,Optic, Lithium Battery
Kefrier 412 ,416, 418 Electronic Grade Coatings
General Description
KefrierTM 412,KefrierTM 416,KefrierTM 418 are clear, low viscosity, low surface tension solutions of fluorinated polymers with the function to protect sensitive electronic components from environmental contaminants, such as moisture, sulfur, pollution and grime.
The Chemkey KefrierTM electronic grade coating can be used in various substrates to provide the oil proofing, moisture proofing and antifouling protection for electronic components and precise instruments.
Application
Anti-stiction coating
• MR recording heads
• MEMS components
• LCDs
• Actuators
• CRTs
• Ball swaging
Anti-migration coating
• Spindle motors
• LCDs
• Lubricated electronic parts
Anti-corrosion coating
• Head gimbal assemblies
• Suspensions
• LCDs
• DVDs
• Electronic parts sensitive to moisture
Typical Properties
|
Product Name |
Kefrier 412 |
Kefrier 416 |
Kefrier 418 |
|
Appearance |
Clear,colorless to light-colored liquid |
Clear,colorless to light-colored liquid |
Clear,colorless to light-colored liquid |
|
solids（%） |
0.2 |
2 |
10 |
|
Specific Gravity |
1.5 |
1.5 |
1.5 |
|
solvent |
Kefrier 400 Engineered Fluid |
Kefrier 400 Engineered Fluid |
Kefrier 400 Engineered Fluid |
|
Boiling Point of Solvent（°C） |
61 |
61 |
61 |
|
Flash Point |
None |
None |
None |
|
Surface Energy of Dry Film（dynes/cm） |
11-12 |
11-12 |
11-12 |
|
Coating Thickness（dip coated） |
~0.1 micron |
~1 micron |
NR |
Not for specification purposes and all properties are tested at 25°C
