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Silicones from Dow Corning
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RTV Foam Materials

Dow Corning two-part silicone foams are designed to be dispensed and cured directly on parts to form an integrated compression gasket.  The application process is outlined below.   Benefits of silicone foam include:

  • Low to medium hardness, two part system with reduced flow
  • User friendly with easy to handle 1:1 mix ratio
  • Fast ambient cure means no need for temporary storage of equipped parts
  • Low compression set which is retained at high service temperatures which are stable and flexible over a wide temperature range.

Review the sealing application / product recommendation table below.  Select a product link for technical data and MSDS.

ApplicationPartProduct Recommendation*Typical Performance Requirements
  • Tub Seal
  • Water Pump Seal
  • Water Distributor Seal
Dow Corning®
  • Good adhesion to metals and engineering plastics
  • Resistance against water and detergent
  • Anti-shake resistance

  • Sealing Frame to Kitchen Counter
Dow Corning®
  • Good heat resistance
  • Good water resistance
  • Low compression modulus
  • Good compression set

*Product availability may vary by region.  Product recommendations will vary based on user's performance requirements and application conditions.  Please consult with a Dow Corning technical expert to evaluate your specific needs.

In situ robotic dispensing of compression seals uses dispensed silicone foam. The robot follows the contour of the component and applies precisely metered bead directly onto sealing surface. After a short time at a low temperature, the dispensed silicone foam expands and cures.

Dispensed Foam Gasketing

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