产品简介
LFCC是一款有弹性的透明快干改性硅三防漆，专为保护无铅焊料的电子线路板而设计。这款产品为当代工业的要求，为无铅焊料的产品提供有益的粘接性能。
主要特点
可与无铅焊料一同使用。 不含 N-Methyle吡咯烷酮，异氰酸盐和苯酚。 宽泛的工作温度范围。 含UV示踪剂便于检测。 优异的电气性能。 潮湿环境中优异的保护性能。
Liquid Properties
Appearance: Clear Pale Straw
Density @ 20°C (g/ml): 0.78 (Aerosol)
VOC Content: 83% (Aerosol)
Flash Point: <23°C (Aerosol)
Solids content: 27% (Aerosol)
Touch Dry: 50 - 55 minutes
Recommended Drying Schedule: 24 hours @ 20°C
Or 1 hour @ 20°C followed by 2 hours at 90ºC
Coverage @ 25 µm: 4.32m² (400ml Aerosol)
Cured Film Coating
Colour: Colourless
Operating Temperature Range: -50°C to +150°C
Flammability: Meets UL94 V-1
Thermal Cycling: Meets MIL 1-46058C Approval
Coefficient of Expansion: 85ppm
Dielectric Strength: 80 kV/mm
Dielectric Constant: 3.5 @ 1 MHz
Surface Insulation Resistance: 1 x 1015Ω
Dissipation Factor (@1 MHz, 25°C): 0.034
Moisture Resistance (MIL-1-46058C): Meets approva
