LiPOLY PK404 Thermal Conductive Gel Pad
LiPOLY PK404 is a soft, flexible thermal gap filler pad with a thermal conductivity of 4.0 W/m*K. Its Shore OO/30 hardness makes it ideal for use in applications requiring low compressive stress and efficient thermal transfer.
PK404 Features
- Thermal conductivity: 4.0 W/m*K
- Naturally tacky and flexible
- Low thermal impedance
- Custom thickness options
PK404 Applications
- Laptops and memory modules
- Set-top boxes
- Automotive electronics
- 5G and EV systems
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
Need help selecting the right product or solution?
|
PROPERTY |
PK404 |
TEST METHOD |
UNIT |
|
Color |
Blue |
Visual |
- |
|
Surface tack 2-side/1-side |
2 |
- |
- |
|
Thickness |
Customized |
ASTM D374 |
mm |
|
Density |
2.8 |
ASTM D792 |
g/cm³ |
|
Hardness |
30 |
ASTM D2240 |
Shore OO |
|
Application temperature |
-60~180 |
- |
°C |
|
ROHS & REACH |
Compliant |
- |
- |
|
COMPRESSION@1.0mm |
|||
|
Deflection @10 psi |
21 |
ASTM D5470 modify |
% |
|
Deflection @20 psi |
27 |
ASTM D5470 modify |
% |
|
Deflection @30 psi |
36 |
ASTM D5470 modify |
% |
|
Deflection @40 psi |
41 |
ASTM D5470 modify |
% |
|
Deflection @50 psi |
46 |
ASTM D5470 modify |
% |
|
ELECTRICAL |
|||
|
Dielectric breakdown |
12 |
ASTM D149 |
KV/mm |
|
Surface resistivity |
>10¹⁰ |
ASTM D257 |
Ohm |
|
Volume resistivity |
>10¹⁰ |
ASTM D257 |
Ohm-m |
|
THERMAL |
|||
|
Thermal Conductivity |
4.0 |
ASTM D5470 |
W/m*K |
|
Thermal impedance@10 psi |
0.502 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@20 psi |
0.452 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@30 psi |
0.423 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@40 psi |
0.380 |
ASTM D5470 |
°C-in²/ W |
|
Thermal impedance@50 psi |
0.361 |
ASTM D5470 |
°C-in²/ W |





