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MOMENTIVE PERFORMANCE MATERIALS RTV524212C Silicone Adhesive Sealant

The RTV5242 12C is a one-component, alkoxy neutral cure silicone adhesive sealant designed for electronic applications. It features high strength and maintains a robust bond even in moist environments. This sealant cures rapidly by releasing methyl alcohol upon exposure to atmospheric moisture at room temperature, without producing exothermic heat or corrosive by-products, making it suitable for use on corrosion-sensitive electrical and electronic equipment. It demonstrates excellent adhesion to various substrates, retains elasticity over a wide temperature range from -75°F to 400°F, and provides excellent electrical insulation. The sealant is resilient, resistant to harsh environmental conditions such as chemicals, ozone, moisture, and weathering, and is easy to handle without mixing, heating, or solvents. It's ideal for industrial applications requiring quick curing and durable sealing properties.

Authorized Distributors
Source:Newark
Part No:RTV5242 12C
Stock:100
Inv Date:06-06-2026
Price: Unit price: $43.93
Buy/RFQ:

MOMENTIVE PERFORMANCE MATERIALS RTV524212C Silicone Adhesive Sealant Specifications:

  • Color: White
  • Hardness, Shore A: 40
  • Tensile Strength, MPa: 2.2
  • Elongation, %: 425
  • Specific Gravity: 1.5
  • Tack Free Time, min: 45
  • Tooling Time, min: 10
  • Cure time to depth of 3.2mm: 6 hours
  • Dielectric Strength, kv/mm: 20
  • Dielectric Constant @ 60 Hz: 28
  • Dissipation Factor @ 60 Hz: 0.001
  • Volume Resistivity, Ohm/cm: 3x10^14
  • Retains elastomeric properties at -75°F to 400°F
  • Resistant to chemicals, ozone, moisture, weathering

Buy the Momentive Series RTV5242 Silicone Sealant: RTV524212C

Experience the swift curing and excellent adhesion of Momentive RTV524212C silicone sealant. Perfect for electronic and sensitive substrates, this one-component product offers superb electrical insulation, strong bond strength, and resistance to chemicals, moisture, and temperature swings from -75°F to 400°F. Easy to dispense without mixing or heating, it’s ideal for aerospace, automotive, and electronics manufacturing. Enhance your assembly process with a resilient, fast-curing sealant that ensures long-lasting, reliable protection in even the toughest environments. Buy online today for quick delivery and dependable sealing performance.

Get Momentive RTV524212C today—designed for electronic bonds, rapid curing and durable performance in harsh environments.

Frequently Asked Questions

Where can I buy MOMENTIVE PERFORMANCE MATERIALS RTV524212C?

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You can download the RTV524212C datasheet or visit the MOMENTIVE PERFORMANCE MATERIALS website for support.

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