ER2220是阻燃导热的双组份环氧灌封树脂。跟传统的导热密封胶相比，ER2220提升了导热性以满足
对高效热耗散日益增长的要求。ER2220是阻燃的，通过了UL94 V-0认证，能够在包括快速发展的LED
工业领域等中提供优异的保护。
主要特点
高导热系数： 1.54 W/m.K 阻燃。 使用不粗糙的填料。 用来灌封PCB或其他要求有效热散耗的装置。
保护环境。 宽泛的工作温度范围：-40摄氏度--130摄氏度。
Typical Properties
Liquid Properties:
Base Material Epoxy
Density Part A - Resin (g/ml) 2.38
Density Part B - Hardener (g/ml) 0.93
Part A Viscosity (mPa s 23°C) 55000
Part B Viscosity (mPa s 23°C) 25
Mixed System Viscosity (mPa s 23°C) 15000
Mix Ratio (Weight) 20.81:1
Mix Ratio (Volume) 8.15:1
Usable Life (23°C) 120 mins
Gel Time (23°C) 3 hours
Cure Time (23 °C) 24 hours
Cure Time (60 °C) 4 hours
Cure Time (100 °C) 1 hour
Colour Part A - Resin Grey
Colour Part B - Hardener Black
Storage Conditions Dry Conditions: Above 15ºC, Below 30ºC
Shelf Life 24 Months (bulk) 12 months (resin pack)
Exotherm
(Measured on 100ml sample; cylinder of diameter 49.4mm @ 23ºC) < 35ºC
Shrinkage < 1%
Cured System:
Thermal Conductivity (W/m.K) 1.54
Cured Density (g/ml) 2.22
Temperature Range (°C) -40 to +130
Max Temperature Range (Short Term (°C)/30 Mins)
(Application and Geometry Dependent) +150
Dielectric Strength (kV/mm) 10
Volume Resistivity (ohm-cm) 1015
Shore Hardness D90
Colour (Mixed System) Grey
Flame Retardancy Meets UL94 V-0
Tensile Strength (MPa) 60
Compressive Strength (MPa) 120
Deflection Temperature (°C) 60
Coefficient of Expansion (ppm/°C) 30
Loss Tangent @ 50 Hz 0.05
Permittivity @ 50 Hz 6.00
Comparative Tracking Index >850 Volts
Water Absorption (9.7mm thick disk, 51mm diameter)
10 days @ 20ºC / 1 hour @ 100ºC < 0.5% / < 1%
Elongation At Break 0.4%
