Dow Corning ™ 3 - 1953 Solventless Elastomeric Conformal Coating is suitable for lighting, industrial and automotive industries requiring various reliability standards as a coating for rigid and flexible circuit boards , electronic pri nted wiring boards (PWB) , sensitive components and fine pitched designs.
FEATURES & BENEFITS
• Solventless elastomeric formulation
• Room temperature cure
• Mild heat acceleration can speed in-line processing
• Good adhesion to many substrates
• Soft coating
• UV indicator
• UL, IPC and Mil Spec qualified
• No ovens required
• Allows use with many low-solids no-lead solder
• Improves reliability against stress
• Easy inspection under UV light
• Use in applications requiring multiple reliability industry standards
COMPOSITION
• Polydimethylsiloxane coating
Technical :
Typical Use: | Protective coating for rigid and flexible circuit boards. Fast-curing, one-part, self- priming coating cures to flexible, transparent elastomer ideally suited for electronic printed wiring board applications, particularly those employing sensitive compone |
Color: | Other |
Components: | 1 part |
Cure System: | RTV/Heat |
Cure Time: | 30min @ room temperature; 1.5min @ 60 °C |
Dielectric Strength: | 400 V/mil |
Flash Point: | 43 °C |
Hardness: | 16 A |
Key Specifications: | MIL-I-46058C, UL 94 V-0 If you require manufacturer certification to a certain spec, please request a quote as additional fees may apply. |
Service Temperature: | -45 to 200 °C |
Specific Gravity: | 0.99 |
Tack Free Time: | 8min |
Viscosity: | 350 |
Volume Resistivity: | 1.6 x 10^15 ohm-cm |
DESCRIPTION
Solventless RTV elastomeric conformal coatings require atmospheric moisture to cure, needing no expensive ovens, and various viscosity versions facilitate different application methods. This family of coatings is rapidly gaining popularity due to its solventless formulations, its rapid cure rates that can be dramatically accelerated by mild heat, and its cost effectiveness. These elastomers, when cured, offer the optimum stress relief for even the most delicate components and interconnections in a variety of service environments. This product line also features coatings manufactured for controlled volatility and many of these products are UL recognized. Conformal coatings are materials applied in thin layers onto printed circuits or other electronic substrates.
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