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DOWSIL™ 3-1944 RTV Coating

  • Brand Name: DOWSIL™ 3-1944 RTV Coating

  • Package Size: Available in 305 mL tubes and 18.1 kg pails

  • Shelf Life: Approximately 12 months from the date of manufacture.

DOWSIL™ 3-1944 RTV Coating is a one-part, translucent, moisture-curing silicone coating designed for electronic applications. It offers good flowability, fast tack-free time, and contains a UV indicator for inspection purposes. This coating complies with international regulations and has been tested under UL 746 and MIL-I-46058C standards.

Applications:

  • Pin and solder joint coverage
  • Thin-section encapsulation
  • Spot protection for pins or other devices

DOWSIL™ 3-1944 RTV Coating

Typical Properties:

Property Unit Value
Viscosity cP 63,775
Specific Gravity (Cured) 1.03
Tack-Free Time at 25°C minutes 14
Durometer Shore A 36
Tack-Free Time at 60°C/15% RH minutes 0.5
Tensile Strength psi (MPa) 325 (2.2)
Elongation % 145
Young’s Modulus psi (MPa) 223 (1.54)
Unprimed Adhesion – 180 Degree Peel ppi 5
Dielectric Strength volts/mil (kV/mm) 525 (21)
Volume Resistivity ohm·cm 1.6 × 10¹⁵
Shelf Life at 25°C months 12
UL Flammability Classification 94 V-0
MIL Specification MIL-I-46058C Amendment 7
Agency Listing IPC-CC-830B, UL 746E

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