Thermal Gap Fillers

Standard Products

Two-Component Thermal Gap Fillers	TGF 01590	TGF 02070LD	TGF 02530	TGF 03030	TGF 03530	TGF 04030	TGF 05050	Test Method
Basic Properties Before Curing
Color, Part A	Yellow	Green	Blue	White	Blue	White	Pink	Visual
Color, Part B	White	White	White	Blue	White	Blue	White	Visual
Mixed Viscosity (mPa·s)	160,000	160,000	180,000	180,000	200,000	220,000	220,000	ASTM D2196
Curing Properties
Mix Ratio	1:1	1:1	1:1	1:1	1:1	1:1	1:1	NA
Working Time @25 °C	2H	2H	2H	2H	2H	2H	2H	ASTM D2196
Cure Time @25 °C	24H	24H	24H	24H	24H	24H	24H	ASTM D2240
Cure Time @75 °C	30min	30min	30min	30min	30min	30min	30min	ASTM D2240
Basic Properties After Curing
Density (g/cm³)	2.8	2.0	3.0	3.1	3.1	3.1	3.2	ASTM D792
Hardness (Shore 00)	50	50	50	50	50	50	50	ASTM D2240
Minimum Bond Line Thickness (µm)	50	50	50	100	100	100	125	ASTM D5470
Σ D3~D10（ppm）	<100	<100	<100	<100	<100	<100	<100	ASTM F2466
Recommended Operating Temperature (°C)	-50~+150	-50~+150	-50~+150	-50~+150	-50~+150	-50~+150	-50~+150	NA
Thermal Properties
Thermal Conductivity (W/m·K)	1.5	2.0	2.5	3.0	3.5	4.0	5.0	ASTM D5470
Thermal Resistance (°C·in²/W)*	0.96	0.80	0.75	0.45	0.50	0.45	0.42	ASTM D5470
Electrical Properties / Flame Retardancy
Dielectric Strength (kV/mm)	＞10	＞10	＞10	＞10	＞10	＞10	＞10	ASTM D149
Volume Resistivity	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	ASTM D150
Relative Permittivity	＞5	＞5	＞5	＞5	＞5	＞5	＞5	ASTM D257
Flame Rating	V-0	V-0	V-0	V-0	V-0	V-0	V-0	UL 94

Two-Component Thermal Gap Fillers	TGF 06030	TGF 07030	TGF 08030	TGF 09020	TGF 10020	TGF 12570	TGF 15070	Test Method
Basic Properties Before Curing
Color, Part A	Blue	Blue	Gray	Dark Gray	Dark Gray	Light Green	Red	Visual
Color, Part B	White	White	Blue	Light Gray	Light Gray	Dark Green	Yellow	Visual
Mixed Viscosity (mPa·s)	210,000	240,000	260,000	280,000	300,000	340,000	380,000	ASTM D2196
Curing Properties
Mix Ratio	1:1	1:1	1:1	1:1	1:1	1:1	1:1	NA
Working Time @25 °C	2H	2H	2H	2H	2H	2H	2H	ASTM D2196
Cure Time @25 °C	24H	24H	24H	24H	24H	24H	24H	ASTM D2240
Cure Time @75 °C	30min	30min	30min	30min	30min	30min	30min	ASTM D2240
Basic Properties After Curing
Density (g/cm³)	3.2	3.2	3.3	3.3	3.3	3.4	3.4	ASTM D792
Hardness (Shore 00)	50	50	50	50	60	60	60	ASTM D2240
Minimum Bond Line Thickness (µm)	125	125	150	150	150	200	250	ASTM D5470
Σ D3~D10（ppm）	<100	<100	<100	<100	<100	<100	<100	ASTM F2466
Recommended Operating Temperature (°C)	-50~+150	-50~+150	-50~+150	-50~+150	-50~+150	-50~+150	-50~+150	NA
Thermal Properties
Thermal Conductivity (W/m·K)	6.0	7.0	8.0	9.0	10.0	12.5	15.0	ASTM D5470
Thermal Resistance (°C·in²/W)*	0.37	0.32	0.28	0.23	0.20	0.15	0.12	ASTM D5470
Electrical Properties / Flame Retardancy
Dielectric Strength (kV/mm)	＞10	＞10	＞10	＞10	＞10	＞10	＞10	ASTM D149
Volume Resistivity	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	ASTM D150
Relative Permittivity	＞5	＞5	＞5	＞5	＞5	＞5	＞5	ASTM D257
Flame Rating	V-0	V-0	V-0	V-0	V-0	V-0	V-0	UL 94

Custom Development

TGF 06030LV

A low-oil-bleed, low-volatility formulation designed for demanding cleanliness and durability applications such as automotive radar
Efficient heat dissipation
Low viscosity and easy application, enabling precise control and efficient operation in large-scale production

Color	Blue
Thermal Conductivity (W/m·K)	6.0
BLT（um）	40
Recommended Operating Temperature (°C)	-50~+150
Flame Rating	V-0

TGF Series Two-Component Thermal Gap Fillers