Products

DOWSIL™ 3-1953 Conformal Coating

Brand Name: DOWSIL™ 3-1953 Conformal Coating

Available Sizes:

  • 3.6 kg (approximately 7.94 lbs) pails
  • 18.1 kg (approximately 39.9 lbs) pail

Shelf Life: Approximately 12 months (1 year) from the date of manufacture.

DOWSIL™ 3-1953 Conformal Coating is a one-part, translucent, medium-viscosity, solventless silicone elastomer designed for protecting rigid and flexible circuit boards, electronic printed wiring boards (PWB), sensitive components, and fine-pitched designs. It cures at room temperature with the option for mild heat acceleration, forming a soft, stress-relieving coating. The coating contains a UV indicator to facilitate inspection and is UL, IPC, and Mil Spec qualified.

Applications:

  • Protective coating for rigid and flexible circuit boards
  • Suitable for lighting, industrial, and automotive industries requiring various reliability standards
  • Ideal for electronic printed wiring boards (PWB), sensitive components, and fine-pitched designs

DOWSIL™ 3-1953 Conformal Coating

Typical Properties:

Property Unit Value
One or Two-part One
Color Translucent
Viscosity cP 350
Specific Gravity (Cured) 0.98
Non-Volatile Content (NVC) % 99.4
Tack-Free Time at 25ºC minutes 8
Tack-Free Time at 60ºC/15% RH minutes 0.5
Tensile Strength MPa 0.5
Elongation % 60
Durometer Shore A 34
Dielectric Strength kV/mm 17
Volume Resistivity ohm·cm 5.5 x 10¹⁵
Dissipation Factor at 100 Hz 0.0007
Dissipation Factor at 100 kHz <0.0002
Hardening Transition by DSC °C -49
UL Flammability Classification 94 V-0
Mil Specification Mil I-46058C Amend 7
Agency Listing IPC-CC-830A with Amendment 1, UL 746E
Cyclotetrasiloxane (D4) Content % <0.1

RELATED PRODUCT

Contact Technical Support

Leave your information or connect via Hotline, and our expert team will reach out immediately to provide professional consultation and customized solutions.

(+84) 889 901 929

Email: info@techniq.vn

Our Technical Support Team is on hand from 8:30 AM to 5:30 PM (GMT+7).

For requests outside these hours, please submit your request form and we will respond at the earliest opportunity.