Home > Products > Low Specific Gravity Two-Component Silicone Potting Compound FD503-TG101-2

Low Specific Gravity Two-Component Silicone Potting Compound FD503-TG101-2

FD503-TG101-2 is a lightweight two-component silicone potting compound featuring an exceptionally low specific gravity of only 0.7. This formulation is purpose-built for applications where every gram matters—drone electronics, aerospace control modules, and portable devices benefit from its weight-saving properties without compromising on protection. The low mixed viscosity of 1500-2500 cps flows easily around intricate components, and after curing at room temperature it forms a soft, flexible gel (25-35 Shore A) that absorbs vibration and thermal expansion stress. With dielectric strength exceeding 18 kV/mm and volume resistivity above 1.0×10¹³ Ω·cm, it provides reliable electrical isolation across a broad temperature range from -40°C to +200°C.

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Product Description

FD503-TG101-2 is a low specific gravity two-component addition-cure silicone potting compound developed for weight-sensitive electronic encapsulation applications. With a specific gravity of only 0.7u00b10.05, it delivers approximately 50% weight reduction compared to conventional potting materials while maintaining robust electrical insulation and mechanical protection.

The product features a 1:1 mix ratio and mixed viscosity of 1500-2500 cps, providing balanced flow characteristics suitable for both manual and automated dispensing. After curing, it achieves a hardness of 25-35 Shore A, offering a soft and flexible gel-like consistency that minimizes stress on delicate components. The material exhibits excellent dielectric strength (u226518 kV/mm) and high volume resistivity (u22651.0u00d710u00b9u00b3 u03a9u00b7cm), ensuring reliable electrical isolation. Operating across a temperature range of -40u00b0C to +200u00b0C, it performs reliably in harsh environments.

Key Applications

  • Lightweight encapsulation for weight-sensitive electronics
  • Aerospace components requiring mass reduction
  • Portable electronic devices
  • Drone and UAV electronics

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Technical Specifications

Appearance A/BGreen/White
Viscosity1500-2500 cps
Mix Ratio1:1
Mixed Viscosity1500-2500 cps
Hardness25-35 Shore A
Temp Range-40~200°C
Volume Resistivity≥1.0×10¹³ Ω·cm
Dielectric Strength≥18 kV/mm
Specific Gravity0.7±0.05
Flame RatingN/A

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