Thermally Conductive and No Electricity Conductive Silicone Rubber Sheet


・ Low thermal resistance
・ Low content of Low Molecular Siloxane.

Series Construction
Sarcon® GR80A-00 Silicone compound with double sticky surfaces
Typical material properties.
Property Unit Sarcon® PG80A Test method Specimen*1
Color - Light Gray Visual -
Specific gravity 3.3 ASTM D 792 A
Hardness Shore OO 75 ASTM D2240 B
Thermal conductivity W/m・K 8.0 Hot Disk C
Tensile strength Mpa 0.3 ASTM D 412 A
Elongation % 50.0 ASTM D 412 A
Tear resistance kN/m 0.7 ASTM D 624 A
Volume resistivity MΩ・m 2.0×105 ASTM D 257 D
Breakdown voltage kV/mm 15 ASTM D 149 D
Withstand voltage kV/mm 8 ASTM D 149 D
Flammability - V-0 Equivalent UL 94 -
*1 Specimen A: 2.0mmT
Specimen B: 30mmW x 50mmL x 12mmT (3mmT x 4pcs)
Specimen C: 50mmW × 50mmL × 9mmT (3mmT x 3pcs
Specimen D: 120mmW × 120mmL × 1.0mmT
Mechanical property / Compression VS Compression load
1.0mmT 2.0mmT
10% 34 56
20% 133 209
30% 357 400
40% 669 622
50% 1021 918
50% Sustain 541 399

*Test method
Base on ASTM D 575-91
Measured the force at 50% compression with the specimen set between two aluminum plates
Specimen’s dimensions: 15x15mm
Aluminum Plate dimensions: 27x27x4mm
Compression Velocity: 5.0mm/minute with 1,960N load Cell
Equipment: Compression Load tester (Aikoh Engineering MODEL-310N) Sustain 50%: Sustain 50% at 1 minute later

Thermal Resistance
1.0mmT 2.0mmT
100kPa 1.3 2.7
300kPa 1.1 2.1
500kPa 1.0 1.9

*Test method
Base on ASTM D 5470
Test piece size: Φ33mm
Measuring device: ANALYSIS TECH
Thermal Interface Material Tester TIM Tester 1300

Aging test data (Thermal resistance)
Initial 100hrs 250hrs 500hrs 1000hrs
0.8 0.8 0.8
+150℃ 0.8 0.8 0.8
-40℃ 0.9 0.8 0.8

*Test method
Base on ASTM D 5470
Test piece size:15mmx15mmx1.0mmT Compression rate:30%
Alminum block used

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.