LiPOLY PK700DM is a two-part liquid gap filler, fast cured at room temperature or elevated tempera- ture. With a thermal conductivity of 7.0 W/m*K, PK700DM provides high thermal conductivity and low thermal impedance. It is ideally suited for dispensing using the dispensing robot or by syringe.
FEATURE
- Thermal conductivity: 7.0 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 |
PK700DM |
TEST METHOD |
UNIT |
Color |
Gray (A part) White (B part) |
Visual |
– |
Solid content |
100% (Two-part : 100:100) |
– |
– |
Viscosity A |
315 |
ISO 3219 |
Pa.s |
Viscosity B |
285 |
ISO 3219 |
Pa.s |
Density |
2.8 |
ASTM D792 |
g/cm³ |
Shelf life |
24 months |
– |
– |
ROHS & REACH |
Compliant |
– |
– |
SOLID(AFTER CURE) |
|||
Thermal conductivity |
7.0 |
ASTM D5470 |
W/m*K |
Thermal impedance@10mils BLT |
0.058 |
ASTM D5470 |
°C-in²/ W |
Thermal impedance@20mils BLT |
0.115 |
ASTM D5470 |
°C-in²/ W |
Thermal impedance@30mils BLT |
0.170 |
ASTM D5470 |
°C-in²/ W |
Hardness |
60 |
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 |
>10¹¹ |
ASTM D257 |
Ohm |
Volume resistivity |
>10¹⁰ |
ASTM D257 |
Ohm-m |
CURE SCHEDULE |
|||
Pot life @ 25°C |
20~30 |
By LiPOLY |
min |
Surface dry @ 25°C |
30~40 |
By LiPOLY |
min |
Cure @ 25°C |
40~50 |
By LiPOLY |
min |
Cure @ 100°C |
40 |
By LiPOLY |
sec |
Cure @ 120°C |
10 |
By LiPOLY |
sec |