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SK-1350 GF Thermal Gap Filler(導熱凝膠)
Blue / Two Part Silicone-based / Thermally Conductive Gap Filler

INTRODUCTION         SK-1350 GF Thermal gap filler is a two part liquid silicone-based material, curing at room temperature once mixed. SK-1350 GF is a soft and compressible material designed to dissipate heat from electronic devices such as PCB modules by conducting it to a heat sink such as an aluminum housing.

Unlike cured thermal pad materials, SK-1350 GF thermal gap filler is supplied as a      two-part liquid component kits. When the liquid components are thoroughly mixed either by weight or volume, the mixture cures to a soft elastomer. These elastomers cure without exotherm at a constant rate regardless of sectional thickness or degree of confinement. SK-1350 GF has long term performance stability during temperature cycling up to 200℃.

SK-1350 GF thermal gap filler is used for smartphones, portable computing devices, LED lighting modules, PCB modules, communication equipment and electric vehicle parts, provide a reliable cooling solution.
Two-part 1 : 1
Low interface stress
Optimized dispensing Thermal conductivity 3.5 W/m.K
Room temperature curing
Easy to rework
FEATURES

Portable electronics
LED lighting modules
SSD Automotive electronics
Telecommunications
ECU BMS
TYPICAL APPLICATIONS

TYPICAL PROPERTIES
Test Item Data Test Item Data
Composition Silicones Hardness 40  Shore OO
Appearance A : White / B : Blue Volume Resistivity ≥1.0*1012  Ω.cm
Mix Ratio by Weight A：B=1：1 Dielectric Constant 7.0 （@1 MHz）
Specific Gravity 3.0 g/cm3 Dielectric Strength  ≥10 KV （@1mm）
Viscosity @ 25℃ 150,000 cPs Use Temperature range -60 - 200℃
Thermal Conductivity 3.5 W/m.K Flammability Rating V-0
Thermal Resistance Min. （@50psi) ≤0.06 ℃ in2/W Low Volatility Content（D4-D20） ≤100 ppm
THERMAL RESISTANCE                                                                     Units: ℃ in2/W
Compression 0.1mmT 0.2mmT 0.3mmT 0.5mmT 1.0mmT 1.5mmT 2.0mmT 3.0mmT 4.0mmT 5.0mmT
20 psi 0.08  0.15  0.22  0.31  0.40  0.50  0.59  0.78  0.97  1.15
50 psi 0.07  0.12  0.19  0.28  0.36  0.45  0.54  0.70  0.88  1.03
DEFLECTION VS.PRESSURE(after cure)                                                      Units: psi
Compress Rate  0.5mmT 1.0mmT 1.5mmT 2.0mmT 2.5mmT 3.0mmT 4.0mmT 5.0mmT 8.0mmT
10% 10.3  7.2  6.5  5.9  5.3  5.0  4.7  4.3  4.0
20% 40.5  21.2  16.7  13.5  12.2  9.6  8.5  7.3  5.8
30% 82.8  40.5  32.6  28.5  20.2  18.6  16.7  14.9  11.3
40% 126.4  63.6  48.8  40.6  33.3  29.2  26.7  20.5  18.9
50% 152.6  95.2  68.5  57.6  48.5  40.2  34.6  30.3  26.1
Sustain 50% 90.5  56.2  40.6  34.2  28.7  23.5  20.7  17.8  14.7
RELIABILITY    
Properties Units Initial 180℃ aging 85℃/85%RH -40℃（30min）←→ 150℃（30min）
   after 1000hrs after 1000hrs after 1000hrs
Thermal Conductivity W/m.k 3.51 3.62 3.55 3.59
Thermal Resistance ℃ in2/W（@1mm） 0.402 0.415 0.406 0.403
Hardness Shore OO 40 50 44 46
Volume Resistivity Ω.cm 1.3*1012  3.5*1012 2.3*1012 1.8*1012
Dielectric Strength kv（@1mm） 10.9 11.6 10.9 11.1
  Thermal Resistance vs.Thinknes

Test method：Safid Test method，which is ASTM D5470 modified.   Specimen Area：DIA.25.0mm(1.0in).
DATADEFLECTION VS. PRESSURE
Test method：Safid Test method，which is ASTM D575-91 for reference.
Specimen Area：DIA.28.6mm(1.13in).
Platen Area：DIA.28.6mm(1.13in).
Sustain 50%：Sustain 50% at 1min later.
Compression Velocity：5.0mm/min.

HOW TO USE Mix ratio Two part，A：B=1 : 1 （by weight/volume）
Pot life
Cure Condition 60 min  @ 25℃
8 hours @ 25℃ or  20~25 minutes @ 100℃

STORAGE 1.Containers should be kept tighly closed and head or air space minimized.
2.Shelf life is 6 months after the packaged date.

PACKAGING
 Available packaging size
50cc dual cartridge kit
400cc dual cartridge kit
10 gallon kit

LIMITATIONS This product is neither tested nor represented as suitable for medical or pharmaceutical uses.

LIMITED WARRANTY
INFORMATION The information contained herein is offered in good faith and is believed to be accurate. However, because conditions and methods of use of our products are beyond our control, this information should not be used in substitution for customer’s tests to ensure that our products are safe, effective, and fully satisfactory for the intended end use. Suggestions of use shall not be taken as inducements to infringe any patent. Safid’s sole warranty is that our products will meet the sales specifications in effect at the time of shipment.