LiPOLY PK404DM is a two-part liquid gap filler, fast cured at room temperature or elevated tempera- ture. With a thermal conductivity of 3.6 W/m*K, PK404DM provides high thermal conductivity and low thermal impedance. It is ideally suited for dispensing using the dispensing robot or by syringe.
FEATURE
- Thermal conductivity: 3.6 W/m*K
- Fast curing in normal atmospheric temperature
- Great reliability
- Great sealing in low pressure
APPLICATION
- Between CPU and heat sink
- Between a component and heat sink
- Power supplies
- High speed mass storage drives
- Telecommunication hardware
- Electric vehicle& Automotive battery
- 5G base station & infrastructure
- EV electric vehicle
|
PROPERTY |
PK404DM |
TEST METHOD |
UNIT |
|
Color |
Blue (A part) White (B part) |
Visual |
– |
|
Solid content |
100% (Two-part : 100:100) |
– |
– |
|
Viscosity A |
47 |
ISO 3219 |
Pa.s |
|
Viscosity B |
48 |
ISO 3219 |
Pa.s |
|
Density |
3.0 |
ASTM D792 |
g/cm³ |
|
Shelf life |
24 months |
– |
– |
|
ROHS & REACH |
Compliant |
– |
– |
|
SOLID(AFTER CURE) |
|||
|
Thermal conductivity |
3.6 |
ASTM D5470 |
W/m*K |
|
Thermal impedance@10mils BLT |
0.252 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@20mils BLT |
0.471 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@30mils BLT |
0.730 |
ASTM D5470 |
°C-in²/ W |
|
Hardness |
80 |
ASTM D2240 |
Shore OO |
|
Working temp (long term) |
-60 ~ 200 |
– |
°C |
|
Operating ambient temp |
20 ~ 30 |
– |
°C |
|
ELECTRICAL |
|||
|
Dielectric breakdown |
8 |
ASTM D149 |
KV/mm |
|
Surface resistivity |
>10¹⁰ |
ASTM D257 |
Ohm |
|
Volume resistivity |
>10¹⁰ |
ASTM D257 |
Ohm-m |
|
CURE SCHEDULE |
|||
|
Pot life @ 25°C |
10~15 |
By LiPOLY |
min |
|
Surface dry @ 25°C |
20~25 |
By LiPOLY |
min |
|
Cure @ 25°C |
25~30 |
By LiPOLY |
min |
|
Cure @ 100°C |
60 |
By LiPOLY |
sec |
|
Cure @ 120°C |
20 |
By LiPOLY |
sec |
