Dowsil 3-1953 Moisture-Proof Insulation Coating for PCB Boards Conformal Circuit Board Cover Paint Three-Proof for Packing

DOWSIL™ 3-1953 Conformal Coating

Product Basic Properties

​​Dowsil 3-1953 is a solventless, elastomeric conformal coating designed to provide reliable protection for electronic components and circuit boards. It cures at room temperature and offers excellent adhesion to various substrates, making it suitable for demanding environments. The product is UL, IPC, and Mil Spec qualified, ensuring compliance with industry standards.

Product Introduction

Dowsil 3-1953 Conformal Coating is a versatile solution for protecting sensitive electronic components from environmental stressors such as moisture, dust, and chemicals. Its solventless formulation eliminates the need for expensive ovens, allowing for cost-effective and efficient processing. The coating cures rapidly at room temperature, with mild heat acceleration available to speed up in-line processing. This product is ideal for applications requiring multiple reliability industry standards, providing improved stress relief and reliability for delicate components.

Special Attributes

One of the standout features of Dowsil 3-1953 is its solventless elastomeric formulation, which ensures no volatile organic compounds (VOCs) are released during application. The coating has a medium viscosity, making it suitable for various application methods, including spray, brush, and automated pattern coating. It features a UV indicator for easy inspection under UV light, ensuring quality control during the coating process. The product cures to a soft, flexible finish, providing excellent stress relief for sensitive components. Additionally, Dowsil 3-1953 has a UL Flammability Classification of 94 V-0, making it suitable for applications requiring high flame resistance.

Application Scenarios

Dowsil 3-1953 is widely used in industries such as lighting, industrial, and automotive, where reliable protection for rigid and flexible circuit boards is essential. It is particularly suitable for applications involving sensitive components and fine-pitched designs, ensuring long-term reliability in harsh environments. The product is also ideal for use in environments where low-solids, no-lead solder is required, making it a preferred choice for modern electronics manufacturing.

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