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Master Bond adhesives

Humiseal 1B73 Acrylic Conformal Coating
Categories: Polymer; Adhesive; Thermoset; Acrylic/Cyanoacrylate Adhesive

Material Notes: Humiseal 1B73 Acrylic Conformal Coating
  • High moisture resistance
  • Excellent dielectrical properties
  • Selective chemical resistance
  • Excellent repairability
  • UL Approved
  • MIL-I-46058C Approved
  • Passes thermal shock test (MIL-I-46058C)
  • Flammability (self extinguishing) (ASTM D635)
  • Poor resistance to solvents (IPC CC 830)
  • Recommended Stripper: 1080
  • Recommended Thinner: 73
Cure Type: Room Temp or Heat

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Physical PropertiesMetricEnglishComments
Density 0.923 g/cc0.0333 lb/in³ASTM D1475
Solids Content 30 %30 %Fed Std 141 Method 4044
Volatile Organic Compounds (VOC) Content 647 g/l647 g/l
Viscosity 270 cP270 cPFed Std Method 4287
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 0.01107 GPa1.606 ksi
 
Electrical PropertiesMetricEnglishComments
Surface Resistance 7.20e+10 ohm7.20e+10 ohmMoisture Resistance; MIL-I-46058C
Insulation Resistance 5.50e+14 ohm5.50e+14 ohmInsulation Resistance; MIL-I-46058C
Dielectric Constant 2.62.6ASTM 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 55.0 µm/m-°C
@Temperature 20.0 °C
30.6 µin/in-°F
@Temperature 68.0 °F
Maximum Service Temperature, Air 125 °C257 °F
Minimum Service Temperature, Air -65.0 °C-85.0 °F
Glass Transition Temp, Tg 43.0 °C109 °F
Flash Point -1.11 °C30.0 °FASTM D56
 
Processing PropertiesMetricEnglishComments
Cure Time 30.0 min0.500 hourDry Time to Handling; Fed Std 141 4061
 30.0 min
@Temperature 170 °C
0.500 hour
@Temperature 338 °F
 >= 1440 min
@Temperature 23.0 °C
>= 24.0 hour
@Temperature 73.4 °F
Shelf Life 12.0 Month
@Temperature 23.0 °C
12.0 Month
@Temperature 73.4 °F
 
Descriptive Properties
Coverage480 ft²/gal

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PHUMIS03 / 47603

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