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Dow DOWSIL X3-6211 Silicone Encapsulant UV Light Cure Clear 3.6 kg Pail - X3-6211 ENCAPSUL 3.6KG

$530.83
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SKU: X3-6211 ENCAPSUL 3.6KG
California prop 65
Description
  • UV-cure encapsulation. Dow DOWSIL X3-6211 Encapsulant Clear is a one-component, UV-curing, thixotropic gel used for stress relief, electrical insulation, and protection against moisture, high voltages, and extreme temperatures. It is flexible, flowable, and fast curing, making it well suited to protecting sensitive electronics.
  • Fast UV processing. Dow describes X3-6211 as a one-part, transparent, ultraviolet-cure encapsulant intended for potting PCB system assemblies. As a low-viscosity, soft encapsulant with UV cure, it enables extremely fast processing compared with heat- or moisture-cure systems, which can improve throughput on high-volume lines.
  • Protective performance. The cured gel provides stress relief for delicate circuits and interconnections while insulating against high voltages and shielding against moisture and temperature extremes. Its thixotropic nature helps it stay where it is placed before cure, and its softness cushions components against thermal and mechanical stress.
  • Handling notes. Because it cures on exposure to UV light, process design must ensure adequate light reaches the material, which can be a consideration for shadowed areas beneath components. This is a Dow product; review the product and Safety Data Sheets and confirm cure coverage for your assembly geometry before production.

Recommended For

  • Potting PCB system assemblies
  • Stress relief for delicate circuits
  • Electrical insulation for high voltages
  • Protection against moisture and temperature extremes
  • High-throughput, fast-cure production

Product Details

  • Product type: One-part UV-cure thixotropic silicone encapsulant/gel
  • Color: Clear / transparent
  • Viscosity: Low viscosity; thixotropic
  • Cure: UV light cure (fast)
  • Key properties: Flexible, flowable, fast curing; stress relief
  • Container size: 3.6 kg pail

Primary Industries

  • Electronics and PCB manufacturing
  • High-voltage electronics
  • High-volume electronics assembly
  • Sensor and module manufacturing

Standards and Certifications

  • None specified by source
Reviews

FAQs

What is DOWSIL X3-6211 used for?

It is a one-part UV-curing silicone encapsulant used to pot PCB assemblies, providing stress relief, electrical insulation, and protection against moisture, high voltages, and temperature extremes. Its soft, flexible cured gel cushions delicate components while shielding them from environmental and electrical stresses.

Why choose a UV-cure encapsulant?

UV cure enables extremely fast processing compared with heat or moisture cure, which can boost throughput on high-volume lines. Because it cures on demand under UV light, it also avoids long oven times. The tradeoff is that adequate UV must reach the material for a complete cure.

What does 'thixotropic' mean for this product?

Thixotropic means the gel resists flowing when undisturbed but becomes more fluid when worked, so it tends to stay where it is placed before curing. That helps control placement around components on a board, reducing run-off while still allowing the material to flow into gaps during dispensing.

Are there process considerations for UV cure?

Yes. Since the material cures on exposure to UV light, the process must ensure light reaches all areas that need to cure. Shadowed regions beneath components can be a concern. Validate cure coverage for your specific assembly geometry, and review the technical data sheet before production.

What protection does the cured gel provide?

The cured, soft gel provides stress relief for circuits and interconnections, electrical insulation for high voltages, and protection against moisture and temperature extremes. Its flexibility cushions parts against thermal and mechanical stress, helping improve the reliability and service life of sensitive electronic assemblies.