• Description for Dow 1-2577 RTV Coating

    One-part, medium viscosity; solvent-borne, elastoplastic silicone resin; excellent abrasion resistance; RTV or heat accelerable cure.

    *See Terms of Use Below

    Application Type Conformal Coat
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Industry Electronic Printed Wiring Board (PWB), Flexible circuit boards, Rigid circuit boards
    Manufacturer Dow
    Chemistry Silicone resin
    Cure Method Moisture, RTV
    Cure Temperature (°C) 25, 20 to 25
    Cure Time (min) 4,320, 10
    Viscosity (cPs) Medium, 950
    Color Transparent, Clear
    Ozone Resistance Ozone resistance
    Chemical Resistance Good
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45
    Key Specifications IPC (Association Connecting Electronics Industries): IPC-CC-830A, Amendment 1, UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): UL 94: UL V-0 flammability rating, UL746E, Mil-Spec (United States Military Standard): I-46058-C: MIL-I-46058C, Amend. 7
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
25°C Typical for a 5-mil thickness sample in 180° peel.
20 to 25°C Followed by 10@ 80°C, Time to cohesive failure on a 180° peel strip. Coating strength may continue to improve with time.
Cure Time Test Methods
Cure Time Test Method
4,320 min Typical for a 5-mil thickness sample in 180° peel.
10 min Followed by 10@ 80°C, Time to cohesive failure on a 180° peel strip. Coating strength may continue to improve with time.
Tack Free Time Test Methods
Tack Free Time Tack Free Temperature Test Method
7 min 25°C
1.30 min 60°C Tack-Free Time at 60ºC/15% RH
Work / Pot Time Test Methods
Work / Pot Time Temperature
>86,400 min <29°C
Dielectric Constant Test Methods
Dielectric Constant Test Method
2.74 Dielectric Constant, 100 Hz
2.74 Dielectric Constant, 100 kHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00420 Dissipation Factor, 100 Hz
<0.00020 Dissipation Factor, 100 KHz