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Acrylic
Urhethan
Silicone
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Conductive coating
1C4905L

1C49 Voc Free Silicone Conformal Coating

- 1액형 실리콘 컨포멀 코팅
- 습식경화, 솔벤트 무 함유
- UL 승인
- 높은 고형 분& 점도
기술자료

HumiSeal? 1C49 Silicone Conformal Coating

 

HumiSeal? 1C49 is a moisture curing, high build, VOC-free silicone conformal coating which provides excellent
moisture and environmental protection for printed circuit assemblies. HumiSeal? 1C49 is solvent free. The coating
demonstrates outstanding flexibility, fluoresces under UV light for ease of inspection and can be repaired. HumiSeal?
1C49 can be cured at room or at elevated temperatures. HumiSeal? 1C49 is MIL-I-46058C qualified, IPC-CC-830 and
RoHS Directive 2011/65/EU compliant, and recognized under UL File Number E105698.

 

Properties of HumiSeal? 1C49


Density, per ASTM D1475

 0.97 ± 0.03 g/cm³

Min. Solids Content, % by weight per Fed-Std-141, Meth. 4044

95 %

Viscosity, per Fed-Std-141, Meth. 4287

9000 ± 1500 centipoise

VOC

0 grams/litre

Recommended Coating thickness

50 - 200 microns

Drying Time to Handle per Fed-Std-141, Meth. 4061         

3 - 5 hours

Recommended Curing Conditions 

24 hrs @ RT or 20 min @ 76°C*

Time required to Reach Optimum Properties

7 days

Recommended Stripper

HumiSeal? Stripper 1091

Shelf Life at Room Temperature, DOM

12 months

Thermal Shock, 50 cycles per MIL-I-46058C   

-65°C to 200°C

Coefficient of Thermal Expansion - TMA

367 ppm /ºC

Glass Transition Temperature - DSC 

< -65°C

Modulus ? DMA

408 MPa @ -40ºC

 

1.6 MPa @ 25ºC

 

1.4 MPa @ 80ºC

Tensile per ASTM D-412

30-50 psi

Elongation per ASTM D-412

80-120 %

Build per Dip, per ASTM D823

5 mils

Flammability, per

V-1

Dielectric Withstand Voltage, per MIL-I-46058C

>1500 volts

Dielectric Breakdown Voltage, per ASTM D149

7000 volts

Dielectric Constant, at 1MHz and 25°C per ASTM D150-98

2.5

Dissipation Factor, at 1MHz and 25°C per ASTM D150-98

0.01

Insulation Resistance, per MIL-I-46058C

5.0 x 1014 ohms (500TΩ)

Moisture Insulation Resistance, per MIL-I-46058C

1.0 x 1010 ohms (10GΩ)

Fungus Resistance, per ASTM G21

Passes