手邊有一款材料---高導熱硅膠，導熱系數(shù)3.2W。主要用于高端電源、電動汽車驅(qū)動電源灌封。
很抱歉，今天電腦有問題。PDF文件打不開。改天上傳膠水的技術參數(shù)。
Handling Properties:
Mix Ratio (resin to hardener)
By weight 1:1
By volume 1:1
Viscosity @ 25°C STM 1
Resin (cps) 40,000
Hardener (cps) 35,000
Mixed (cps) 35,000
Working Life, minutes @ 25°C (100 grams) 40
Typical Cure Schedule, minutes @125°C 60
Physical Properties:
Hardness (Shore A) 60
STM 5 (ASTM D 2240)
Specific Gravity (STM 2) 3.1
Color
Resin Pink
Hardener White
Mixed Lighter pink
Tensile Strength (psi) 300
ASTM D 412
Tensile Elongation (%) 50
ASTM D 412
Water Absorption (%) <.1
ASTM D 570-81
Linear Coefficient of Thermal Expansion, ppm 110
ASTM D 864
Thermal Conductivity (W/mK) 3.2
Hot Disc Transient Method
Lap Shear Strength (psi) 130
ASTM D1002
Silicone Extractables meets Belcore 10.3.2 specification
Flammability Rating (as Tested by Lord) UL94V-0
(6mm minimum thickness)
Ionic Content (ppm)
Sodium <10
Ammonium <10
Potassium <10
Chloride <10
