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Technical Product Data |  |
| DOWSIL™ 1-2620 Dispersion Conformal Coating (3.6 kg) – Transparent Silicone Resin Coating |
| Product Description |
| DOWSIL™ 1-2620 Dispersion is a one-part, transparent, low-viscosity elastoplastic silicone conformal coating designed to protect printed circuit boards (PCBs) and electronic assemblies from moisture, corrosion, chemical contamination, and mechanical abrasion. It cures to a tough, resilient, and slick surface. |
| Key Features |
| • Low Viscosity: 150 cP / mPa·s (Allows excellent flow into narrow spaces and component gaps) • Cure Type: One-part room temperature moisture cure (RTV) with optional mild heat acceleration • Hardness: 80 Shore A (Tough, abrasion-resistant elastoplastic finish) • UV Indicator: Contains UV fluorescent dye for automated optical inspection (AOI) • Dielectric Strength: ~22 kV/mm (550 V/mil) • Standards & Recognized Approvals: UL 94 V-0, IPC-CC-830B, and MIL-I-46058C recognized • Temperature Range: Wide operating range from -45°C to +200°C |
| Applications |
| • Environmental protection of rigid and flexible Printed Circuit Board Assemblies (PCB / PCBA) • Automotive, aerospace, and defense electronics assemblies • Sensitive sensor modules, relays, and industrial control electronics • Applied via spray, dip, brush, or automated selective pattern coating |
| Key Advantages |
| • 3.6 kg pail packaging ideal for mid to high-volume manufacturing and maintenance operations • Low viscosity ensures complete coverage around complex geometries and tight component leads • Excellent Repairability: Allows direct solder-through for field repairs and modifications • Delivers superior long-term dielectric protection in harsh humid and corrosive environments |
Application Note: Substrates should be thoroughly cleaned and dried prior to coating. Heat acceleration (e.g., 60°C) can be used after allowing the solvent to flash off.
