Loctite Stycast 1090 SI: Ultra-Lightweight Syntactic Foam Encapsulant for Extreme Environments

0  -
( 2 KG)
Available Stock
0

Loctite Stycast 1090 SI Encapsulant Epoxy

It is a high-performance, low-density, black syntactic foam epoxy encapsulant. It is specifically engineered for aerospace and deep-sea applications where weight reduction and resistance to high hydrostatic pressure are critical. The "SI" (Silicone-treated) version utilizes specialized glass microspheres to provide enhanced moisture resistance and superior electrical insulation properties. This material is designed to protect delicate electronic modules from physical stress, thermal shock, and environmental ingress without adding significant mass.

Available Sizes :
2 - KG


Category Adhesive Brand Henkel
Part No. LOCTITE STYCAST 1090 SI ENCAPSULANT OEM Part No. Not Avaliable
Alt Part No. Not Avaliable Country of Origin Not Available
Pro Category Not Available Is Return Yes
Condition Self Life
Pack Size
  • Minimum Shelf Life
  • 3-4 week for standard lead time
  • Make to order 90 - 120 days of lead time

Application

  • Aerospace Avionics: Encapsulating flight control sensors and circuit boards where every gram of weight savings is critical for fuel efficiency and performance.
  • Marine & Subsea Tech: Potting sonar transducers, underwater cameras, and deep-sea exploration sensors that must withstand extreme water pressure.
  • Hydrostatic Components: Filling cavities in underwater vehicles (ROVs/AUVs) to provide structural buoyancy and component protection.
  • High-Density Electronics: Providing thermal management and vibration damping for tightly packed electronic assemblies.
Not Available

LOCTITE STYCAST 1090 SI ENCAPSULANT

  • Chemical Type: Epoxy.
  • Appearance: Black Liquid.
  • Density: 0.70 to 0.85 g/cm³ (significantly lower than standard potting compounds).
  • Dielectric Constant: Low (ideal for high-frequency signal protection).
  • Compressive Strength: High (resists deformation under deep-sea pressures).
  • Service Temperature: -40°C to +150°C.
  • Mix Ratio: Varies by catalyst (Commonly 100:23 with Catalyst 9).


  • Brand: Henkel / Loctite.
  • Product Series: Stycast.
  • Surface Preparation: All surfaces should be clean, dry, and free of contaminants. Use a solvent wipe (like Loctite SF 7063) before application.
  • Curing: Cure schedule depends on the hardener used; some require elevated temperatures (oven cure) to reach full physical properties.
  • Storage: Store in original, unopened containers in a dry location at temperatures between 18°C and 25°C. Settlement of microspheres may occur; stir thoroughly before use.
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