SARCON® GR-Pm
Highly Thermally Conductive and Non-Flammable interface materials
Feartures
SARCON® Sillicone Putty is a highly conformable, thermally conductive, non-flammable interface materials.
The surface consistency is excellent for filling small air gaps and uneven mating surface, making reliable contact with various shapes and sizes of components.
CONSTRUCTION
| Series | Characteristics | Construction |
| SARCON® GR-Pm | Silicone compound with double sticky surfaces and Thermal Conductivity of GR-Pm material is 6.0W/m-K by using Hot Wire (4.5W/m-K by using Hot Disk) |  |
RECOMMENDED APPLICATION
THERMAL RESISTANCE
| Compression Force |
1.5mmT | 2.0mmT | 2.5mmT |
| 100kPa(14.5psi) | 2.9 (0.45) | 3.3 (0.52) | 4.3 (0.67) |
| 300kPa(43.5psi) | 1.2 (0.19) | 1.7 (0.26) | 2.0 (0.31) |
| 500kPa(72.5psi) | 0.8 (0.12) | 1.0 (0.16) | 1.4 (0.22) |
Test method: Fujipoly Test method, FTM-P3050 by TIM Tester 1300 which is ASTM D5470 equivalent
• Specimen Area; DIA.33.0mm (1.30in)
TYPICAL PROPERTIES
| Properties | unit | GR-Pm | Test method | Specimen | |||
| Physical Properties |
Color | - | Dark Radish Gray | Visual | - | ||
| Specific Gravity | - | 3.2 | ASTM D 792 | A | |||
| Electrical Properties |
Volume Resistivity | Ohm-m | 1.0x1012 | ASTM D 257 | B | ||
| Breakdown Voltage | kV/mm (volts/mil) | 18 (457) | ASTM D 149 | B | |||
| Dielectric Strength | kV/mm (volts/mil) | 13 (330) | ASTM D 149 | B | |||
| Dielectric Constant | - | 50Hz | 7.37 | ASTM D 150 | A | ||
| 1kHz | 7.31 | ||||||
| 1MHz | 7.34 | ||||||
| Dissipation Factor | - | 50Hz | 0.0101 | ASTM D 150 | A | ||
| 1kHz | 0.0022 | ||||||
| 1MHz | 0.0007 | ||||||
| Thermal Properties |
Thermal Conductivity | W/m-K | 6.0 by Hot Wire | ASTM D 2326 | - | ||
| 4.5 by Hot Disk | ISO/CD 22007-2 | ||||||
| Useful Temperature | ℃ (°F) | -40 to +150 (-40 to +302) | - | - | |||
| Low molecular Siloxane |
wt% | D4 to D20 Total | 0.0031 or less | Gas Chromatography |
- | ||
| Flame Retardant | UL94 | V-0 | UL 94 | - | |||
• Each Specimens are cured for measurement. • Specimen A: 2mmT • Specimen B: 120mmW × 120mmL × 1mmT
• Test methods of Thermal Conductivity are based on Fujipoly Test Method, FTM P-1612 by Hot Disk and FTM P-1620 by Hot Wire.
COMPRESSION FORCE
| Compression Ratio |
1.5mmT | 2.0mmT | 2.5mmT |
| 10% | 53 (12.0) | 52 (11.8) | 50 (11.3) |
| 20% | 153 (34.7) | 144 (32.6) | 123 (27.9) |
| 30% | 265 (60.0) | 231 (52.3) | 207 (46.9) |
| 40% | 375 (85.0) | 314 (71.1) | 289 (65.5) |
| 50% | 492 (111.5) | 408 (92.4) | 371 (84.1) |
| Sustain 50% | 144 (32.6) | 118 (26.7) | 76 (17.2) |
Test method: Measured by ASTM D575-91 for reference
• Specimen Area; DIA.28.6mm (1.13in)
• Platen Area; DIA. 28.6mm (1.13in)
• Sustain 50%: Sustain 50% at 1 minute later
• Compression Velocity; 5.0mm/minute
DURABILITY
| Test Property | Compression Ratio |
70℃ | 150℃ | ||||||||
| Initial | 100hrs | 250hrs | 500hrs | 1,000hrs | Initial | 100hrs | 250hrs | 500hrs | 1,000hrs | ||
| Thermal Resistance | 30% | 1.68 | 1.78 | 1.78 | 1.78 | 1.78 | 1.68 | 1.85 | 1.97 | 2.27 | 2.34 |
| 70% | 0.90 | 0.89 | 0.89 | 0.89 | 0.87 | 0.90 | 1.02 | 1.12 | 1.26 | 1.33 | |
| 90% | 0.52 | 0.52 | 0.48 | 0.42 | 0.42 | 0.52 | 0.38 | 0.38 | 0.38 | 0.38 | |
| Test Property | Compression Ratio |
60℃/90%RH | -40℃(30min)⇔+125℃(30min) | ||||||||
| Initial | 100hrs | 250hrs | 500hrs | 1,000hrs | Initial | 100hrs | 250hrs | 500hrs | 1,000hrs | ||
| Thermal Resistance | 30% | 1.68 | 1.68 | 1.68 | 1.68 | 1.65 | 1.68 | 1.78 | 1.78 | 1.80 | 1.83 |
| 70% | 0.90 | 0.90 | 0.90 | 0.90 | 0.91 | 0.90 | 0.98 | 1.07 | 1.07 | 1.07 | |
| 90% | 0.52 | 0.53 | 0.59 | 0.60 | 0.60 | 0.52 | 0.44 | 0.44 | 0.42 | 0.42 | |
Test method: Measured by GHP (Guarded Hot Plate) method according to ASTM D5470 modified
reduced temperature
・Specimen Area; 30% and 70% compression ratio = 10mm square , initial thickness = 1.5mm -40℃ = -40°F
・Specimen Area; 90% compression ratio = 5mm square , initial thickness = 1.5mm 60℃ = 140°F (Specimen is sandwiched between aluminum blocks.)
-40℃ = -40°F
60℃ = 140°F
70℃ = 158°F
125℃ = 257°F
150℃ = 302°F
TYPES AND CONFIGURATION
| Series | Product Name | Thickness | Sheet Size |
| SARCON® GR-Pm | 150G-Pm | 1.5mm +0.5/-0mm |
300mm × 200mm (Recommended Usable Size:290mm×190mm) |
| 200G-Pm | 2.0mm +0.7/-0mm | ||
| 250G-Pm | 2.5mm +0.7/-0mm |
Statement of Lieu of Warranty
• Properties of the products may be revised due to some changes for improving performance.
• Properties values in this document are not specification or guaranteed.
• This product is made of silicone, and silicone oil may exude from the product.
• This product is made of silicone, and low molecular siloxane may vaporize depending on operating conditions.
• The product is designed, developed, and manufactured for general industrial use only. Never use for medical, surgical, and/or relating purposes. Never use for the purpose of implantation and/or other purposes by which apart of or whole product remains in human body.
• Before using, a safety must be evaluated and verified by the purchaser.
• Contents described in the document do not guarantee the performances and qualities required for the purchaser’s specific purposes. The purchaser is responsible for pre-testing the product under the purchaser’s specific.
• Statements concerning possible or suggested uses made herein may not be relied upon, or be constructed, as a guaranty of no patent infringement.
Handling Notes
• It is recommended to use the material in up to 30% of compression ratio. Using the material beyond the recommended compression rate may result in excessive silicone oil exudation.
• It is recommended to compress the material with the equal ratio on the whole surface. Partial excessive stress may also result in excessive silicone oil exudation.