The HumiSeal 1C51 Silicone Conformal Coating is a flexible, VOC-free coating that has a long pot life and cures quickly under thermal conditions. This low-viscosity coating can be applied through spraying, brushing, or dipping methods and is designed to fluoresce under UV light to facilitate inspection.
FEATURES
silicone based
fluoresces under UV light
thermal cure
single component
high solids
HumiSeal 1C51 conformal coating has
No VOCs or solvent
low toxicity
excellent environmental resistance and moisture resistance
RoHS directive 2015/863/EU
Mil-I-46058C qualified
IPC-CC-830 qualified
recognized under UL file number E105698
Typical Properties
Product Specification
Density, per ASTM D1475
0.99 ± 0.01 g/cm³
Min. Solids Content, % by weight per Fed-Std-141, Meth. 4044
98 %
Viscosity, per Fed-Std-141, Meth. 4287
630 ± 150 centipoise
VOC
0 grams/litre
Recommended Coating Thickness
50 – 200 microns
Recommended Curing Conditions
10 – 15 min @ 105 – 130ºC
Time Required to Reach Optimum Properties
15 min
Recommended Stripper
HumiSeal Stripper 1091
Shelf Life at Recommended Conditions, DOM
12 months
Thermal Shock, 50 cycles per MIL-I-46058C
-65°C to 200°C
Glass Transition Temperature – DSC
< -65ºC
Coefficient of Thermal Expansion – TMA
296 ppm/°C
Modulus – DMA
46 MPa @ -40ºC
3.9 MPa @ 25ºC
3.3 MPa @ 80ºC
Flammability, per UL 94
V-0
Dielectric Withstand Voltage, per MIL-I-46058C
>1500 volts
Dielectric Breakdown Voltage, per ASTM D 149
7000 volts
Dielectric Constant, at 1MHz and 25°C per ASTM D150-98
2.4
Dissipation Factor, at 1MHz and 25°C per ASTM D150-98
