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Rulon Bearings

Humiseal 1C51 Silicone Conformal Coating
Categories: Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade

Material Notes: Humiseal 1C51 Silicone Conformal Coating
  • High temperature resistance
  • Good dielectrical properties
  • Good moisture resistance
  • Repairable
  • UL Approved
  • MIL-I-46058C Approved
  • Passes thermal shock test (MIL-I-46058C)
  • Flammability (self extinguishing) (ASTM D635)
  • Good resistance to solvents (IPC CC 830)
  • Recommended Stripper: 1090
Cure Type: Heat

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Physical PropertiesMetricEnglishComments
Density 0.947 g/cc0.0342 lb/in³ASTM D1475
Solids Content 100 %100 %Fed Std 141 Method 4044
Volatile Organic Compounds (VOC) Content 0.00 g/l0.00 g/l
Viscosity 575 cP575 cPFed Std Method 4287
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 0.00353 GPa0.512 ksi
 
Electrical PropertiesMetricEnglishComments
Surface Resistance 8.00e+10 ohm8.00e+10 ohmMoisture Resistance; MIL-I-46058C
Insulation Resistance 5.00e+14 ohm5.00e+14 ohmInsulation Resistance; MIL-I-46058C
Dielectric Constant 2.42.4ASTM D1 50 65T
Dielectric Breakdown >= 1500 V>= 1500 VDielectric Withstand; MIL-I-46058C
Dissipation Factor 0.0100.010ASTM D1 50 65T
 
Thermal PropertiesMetricEnglishComments
CTE, linear 150 µm/m-°C
@Temperature 20.0 °C
83.3 µin/in-°F
@Temperature 68.0 °F
Maximum Service Temperature, Air 200 °C392 °F
Minimum Service Temperature, Air -65.0 °C-85.0 °F
Glass Transition Temp, Tg >= 200 °C>= 392 °F
Flash Point 121 °C250 °FASTM D56
 
Processing PropertiesMetricEnglishComments
Cure Time 10.0 min
@Temperature 105 °C
0.167 hour
@Temperature 221 °F
Optimum properties
Shelf Life 6.00 Month
@Temperature 23.0 °C
6.00 Month
@Temperature 73.4 °F
 
Descriptive Properties
Coverage750 ft²/gal

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