SARCON® GR25A

SARCON® GR25A Highly Conformable, Non-Flammable, Isolation and High Heat Conducting Gel materials.

Features

・ Gap filler materials are supplied in a fully cured state and remain pliable, easy conforming to minute surface irregularities.
・ The basic Gap Filler Pad series can be further enhanced for special handling and die-cutting requirements.

CONSTRUCTIONS
SeriesCharacteristicsConstructions
SARCON® GR25A-00Silicone compound with double sticky surfaces and Thermal Conductivity of GR25A material is 2.8W/m-K by using Hot Wire (2.5W/m-K by using Hot Disk)SARCON® GR25A plain type
SARCON® GR25A-0HSilicone compound as above GR25A-00 plus additional hardening of the top surface to facilitate handling and installation during complex assembliesSARCON® GR25A hardened surface
SARCON® GR25A-F0Silicone compound with Nylon mesh reinforcement stiffener to prevent stretchingPlain Type Nylon Mesh
SARCON® GR25A-FHSilicone compound as above GR25A-F0 plus additional hardening of the top surface to facilitate handling and installation during complex assembliesHardened Surface Nylon Mesh
THERMAL RESISTANCE

GR25A-00

Compression
Force
0.5mmT 1.0mmT 1.5mmT 2.0mmT 2.5mmT 3.0mmT 4.0mmT 5.0mmT
100kPa(14.5psi)2.0 (0.31)3.7 (0.57)5.1 (0.79)6.7 (1.03)7.5 (1.16)9.2 (1.42)11.6 (1.79)13.9 (2.16)
300kPa(43.5psi)1.6 (0.25)2.8 (0.44)3.9 (0.61)5.0 (0.78)5.6 (0.87)6.4 (0.99)7.7 (1.20)9.3 (1.43)
500kPa(72.5psi)1.5 (0.23)2.5 (0.39)3.4 (0.53)4.2 (0.65)4.7 (0.73)5.4 (0.83)6.5 (1.00)7.8 (1.21)

GR25A-0H

Compression
Force
0.3mmT 0.5mmT 1.0mmT 1.5mmT 2.0mmT 3.0mmT 4.0mmT 5.0mmT
100kPa(14.5psi)2.3 (0.36)2.5 (0.38)4.0 (0.62)6.0 (0.93)8.1 (1.25)10.2 (1.59)13.9 (2.16)16.0 (2.48)
300kPa(43.5psi)1.8 (0.28)2.3 (0.36)3.6 (0.56)5.1 (0.80)6.3 (0.97)8.1 (1.25)10.8 (1.67)12.3 (1.91)
500kPa(72.5psi)1.6 (0.24)2.3 (0.35)3.5 (0.55)4.8 (0.74)5.6 (0.86)7.0 (1.08)8.9 (1.38)10.2 (1.58)

GR25A-F0 / GR25A-FH

Compression
Force
0.5mmT 1.0mmT 1.5mmT 2.0mmT 0.5mmT 1.0mmT 1.5mmT 2.0mmT
100kPa(14.5psi)2.7 (0.41)4.6 (0.71)6.0 (0.93)7.8 (1.21)2.8 (0.43)4.7 (0.73)6.7 (1.03)8.7 (1.34)
300kPa(43.5psi)2.5 (0.39)4.1 (0.63)5.2 (0.81)6.5 (1.01)2.7 (0.41)4.5 (0.69)6.0 (0.93)7.4 (1.14)
500kPa(72.5psi)2.5 (0.38)3.7 (0.58)4.8 (0.74)5.9 (0.92)2.6 (0.40)4.2 (0.66)5.5 (0.86)6.6 (1.02)

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
PropertiesunitGR25A-00Test methodSpecimen
Physical
Properties
Color-GrayVisual-
Specific Gravity-2.6ASTM D 792A
Hardness
Highest Value
Shore OO (ASKER C)50 (18)ASTM D2240 ISO 7619) B
Tensile StrengthMPa (psi)0.1 (14.5)ASTM D 412A
Elongation%200ASTM D 412A
Tear StrengthN/mm (ppi)0.8 (4.6)ASTM D 624A
Electrical
Properties
Volume ResistivityOhm-m1.0x1011ASTM D 257C
Breakdown VoltagekV/mm (volts/mil)15 (381)ASTM D 149C
Dielectric StrengthkV/mm (volts/mil)9 (229)ASTM D 149C
Dielectric Constant -50Hz6.60 ASTM D 150 A
1kHz6.05
1MHz5.74
Dissipation Factor-50Hz0.0826ASTM D 150A
1kHz0.0300
1MHz0.0052
Thermal
Properties
Thermal Conductivity W/m-K2.8 by Hot WireASTM D 2326 -
2.5 by Hot DiskISO/CD 22007-2
Useful Temperature℃ (°F)-40 to +150 (-40 to +302)--
Low molecular
Siloxane
wt% D4 to D20 Total 0.0028Gas
Chromatography
-
Flame RetardantUL94V-0UL 94-

• Specimen A: 2mmT • Specimen B: 30mmW x 50mmL x 12mmT (3mmT x 4pcs) • Specimen C: 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

GR25A-00

Compression
Ratio
0.5mmT 1.0mmT 1.5mmT 2.0mmT 2.5mmT 3.0mmT 4.0mmT 5.0mmT
10%108 (24.5)92 (20.8)83 (18.7)77 (17.45)75 (16.9)70 (15.9)55 (12.5)41 (9.3)
20%252 (57.1)203 (46.0)178 (40.4)156 (35.3)139 (31.5)129 (29.2)113 (25.5)94 (21.2)
30%413 (93.6)342 (77.5)331 (75.0)263 (59.6)230 (52.0)209 (47.4)178 (40.3)153 (233)
40%583 (132.1)505 (114.4)461 (104.4)408 (92.4)355 (80.4)324 (73.4)258 (58.4)233 (52.7)
50%740 (167.7)675 (152.9)662 (150.0)569 (128.9)515 (116.6)463 (104.9)400 (90.6)370 (83.8)
Sustain 50%351 (79.5)337 (76.4)321 (72.7)285 (64.6)283 (64.1)282 (63.9)213 (48.2)188 (42.7)

GR25A-0H

Compression
Ratio
0.3mmT 0.5mmT 1.0mmT 1.5mmT 2.0mmT 3.0mmT 4.0mmT 5.0mmT
10%65 (14.7)225 (51.0)209 (47.3)195 (44.2)177 (40.1)96 (21.8)76 (17.2)52 (11.8)
20%173 (39.2)506 (114.6)439 (99.5)371 (84.1)336 (76.1)182 (41.2)143 (32.4)127 (28.8)
30%304 (68.9)762 (172.6)670 (151.7)602 (136.4)521 (118.0)322 (73.0)292 (66.2)239 (54.0)
40%457 (103.5)1076 (243.8)927 (210.0)848 (192.1)743 (168.3)498 (112.8)430 (97.4)382 (86.5)
50%629 (142.5)1381 (312.9)1211 (274.3)1108 (251.0)1023 (231.8)723 (163.8)609 (138.0)553 (125.2)
Sustain 50%568 (128.7)1042 (236.1)835 (189.2)727 (164.7)592 (134.1)404 (91.5)386 (87.5)304 (68.9)

Test method: Measured by ASTM D575-91 for reference
• Specimen Size; DIA.28.6mm (1.13in) • Platen Size; DIA. 28.6mm (1.13in) • Sustain 50%: Sustain 50% at 1 minute later
• Compression Speed; 5.0mm/minute

GR25A-F0

Compression
Ratio
0.5mmT 1.0mmT 1.5mmT 2.0mmT
10%128 (29.0)220 (49.8)187 (42.4)142 (32.2)
20%374 (84.7)520 (117.8)454 (102.9)307 (69.6)
30%649 (147.0)811 (183.7)736 (166.8)508 (115.1)
40%928 (210.3)1133 (256.7)1022 (231.5)759 (172.0)
50%1218 (276.0)1488 (337.1)1344 (304.5)1024 (232.0)
Sustain 50%1019 (230.9)928 (210.3)771 (174.7)547 (123.9)

GR25A-FH

Compression
Ratio
0.5mmT 1.0mmT 1.5mmT 2.0mmT
10%150 (34.0)245 (55.5)215 (48.7)203 (46.0)
20%432 (97.9)588 (133.2)504 (114.2)417 (94.5)
30%739 (167.4)909 (205.9)784 (177.6)676 (153.2)
40%1037 (234.9)1255 (284.3)1109 (251.3)981 (222.3)
50%1350 (305.9)1615 (365.9)1453 (329.2)1282 (290.5)
Sustain 50%1168 (264.6)1230 (278.7)1030 (233.4)751 (170.1)

Test method: Measured by ASTM D575-91 for reference
• Specimen Area; DIA.28.6mm (1.13in) • Platen Area; DIA. 28.6 (1.13in) • Sustain 50%: Sustain 50% at 1 minute later
• Compression Velocity; 5.0mm/minute

DURABILITY
Test Property Unit70150
InitialAfter 1,000hrsInitialAfter 1,000hrs
Specific Gravity-2.62.62.62.6
HardnessASKER C18141827
Breakdown VoltagekV/mm15151519
Thermal conductivityW/m-K2.52.52.52.5
Test Property Unit60/95%RH-40
InitialAfter 1,000hrsInitialAfter 1,000hrs
Specific Gravity-2.62.62.62.6
HardnessASKER C18131817
Breakdown VoltagekV/mm15141515
Thermal conductivityW/m-K2.52.52.52.5
Test Property Unit-40(30min)+125(30min)
InitialAfter 1,000hrs
Specific Gravity-2.62.6
HardnessASKER C1815
Breakdown VoltagekV/mm1515
Thermal conductivityW/m-K2.52.5

•Specimen : GR25A-00 • Test methods of Thermal Conductivity base on Fujipoly Test Method, FTM P-1612 by Hot Disk.

reduced temperature
-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® GR25A-00GR25A-00-50GY0.5mm ± 0.05mm 300mm × 200mm
(Recommended Usable Size:
290mm×190mm)
GR25A-00-100GY1.0mm ± 0.10mm
GR25A-00-150GY1.5mm ± 0.15mm
GR25A-00-200GY2.0mm ± 0.20mm
GR25A-00-250GY2.5mm ± 0.25mm
GR25A-00-300GY3.0mm ± 0.30mm
GR25A-00-350GY3.5mm ± 0.30mm
GR25A-00-400GY4.0mm ± 0.30mm
GR25A-00-450GY4.5mm ± 0.30mm
GR25A-00-500GY5.0mm ± 0.30mm
SARCON® GR25A-0HGR25A-0H2-30GY0.3mm ± 0.05mm 300mm × 200mm
(Recommended Usable Size:
290mm×190mm)
GR25A-0H-50GY0.5mm ± 0.05mm
GR25A-0H-100GY1.0mm ± 0.10mm
GR25A-0H-150GY1.5mm ± 0.15mm
GR25A-0H-200GY2.0mm ± 0.20mm
GR25A-0H-250GY2.5mm ± 0.25mm
GR25A-0H-300GY3.0mm ± 0.30mm
GR25A-0H-350GY3.5mm ± 0.30mm
GR25A-0H-400GY4.0mm ± 0.30mm
GR25A-0H-450GY4.5mm ± 0.30mm
GR25A-0H-500GY5.0mm ± 0.30mm
®
SARCON  GR25A-F0
GR25A-F0-50GY0.5mm ± 0.15mm 300mm × 200mm
(Recommended Usable Size:
290mm×190mm)
GR25A-F0-100GY1.0mm ± 0.20mm
GR25A-F0-150GY1.5mm ± 0.20mm
GR25A-F0-200GY2.0mm ± 0.30mm
SARCON® GR25A-FHGR25A-FH-50GY0.5mm ± 0.15mm 300mm × 200mm
(Recommended Usable Size:
290mm×190mm)
GR25A-FH-100GY1.0mm ± 0.20mm
GR25A-FH-150GY1.5mm ± 0.20mm
GR25A-FH-200GY2.0mm ± 0.30mm
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.

Fujipoly: Thermal Interface Materials

SARCON® GR25A

ISO 9001:2015