Thermal Encapsulants and Potting Materials

Standard Products

Thermal Encapsulants and Potting Materials	TPE 01530	TPE 02020	TPE 03030	TPE 04050	TPE 05010	Test Method
Basic Properties Before Curing
Color, Part A	White	White	White	White	White	Visual
Color, Part B	Blue	Gray	Blue	Pink	White	Visual
Mixed Viscosity (mPa·s)	5,000	7,500	9,500	15,000	25,000	ASTM D2196
Curing Properties
Mix Ratio	1:1	1:1	1:1	1:1	1:1	NA
Working Time @25 °C	2H	2H	2H	2H	2H	ASTM D2196
Cure Time @25 °C	24H	24H	24H	24H	24H	ASTM D2240
Cure Time @75 °C	30min	30min	30min	30min	30min	ASTM D2240
Basic Properties After Curing
Density (g/cm³)	2.2	2.8	3.0	3.2	3.5	ASTM D792
Hardness (Shore A)	50	50	35	35	35	ASTM D2240
Σ D3~D10（ppm）	<500	<500	<250	<250	<250	ASTM F2466
Operating Temperature Range (°C)	-50~+150	-50~+150	-50~+150	-50~+150	-50~+150	NA
Thermal / Electrical / Flame Retardancy
Thermal Conductivity (W/m·K)	1.5	2.0	3.0	4.0	5.0	ISO 22007-2
Dielectric Strength	＞10	＞10	＞10	＞10	＞10	ASTM D149
Volume Resistivity	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	＞1.0×10¹³	ASTM D150
Relative Permittivity	＞5	＞5	＞5	＞5	＞5	ASTM D257
Flame Rating	V-0	V-0	V-0	V-0	V-0	UL 94

Custom Development

TPE 02510LV

Ultra-low volatility, with total D3–D10 content below 100 ppm, eliminating siloxane contamination
Efficient thermal conduction, with outstanding performance that leaves heat nowhere to hide
Reliable protection combining moisture resistance, insulation and vibration damping for comprehensive protection of precision circuits

Color	White
Thermal Conductivity (W/m·K)	2.5
Viscosity (cps)	10,000
Recommended Operating Temperature (°C)	-50~+175
Flame Rating	V-0

TPE 01510FS

Excellent chemical resistance: no swelling, softening or dissolving during long-term immersion in engine oil, gasoline or solvents
In-depth protection: a tough protective layer after curing that also provides vibration damping, moisture resistance and insulation
Efficient heat dissipation that keeps equipment running reliably in harsh environments

Color	White
Thermal Conductivity (W/m·K)	1.5
Viscosity (cps)	10,000
Recommended Operating Temperature (°C)	-50~+175
Flame Rating	V-0

TPE Series Thermal Encapsulants and Potting Materials