Optical Grease EGZ-SD65WH, PMT/SiPM coupling compound

EGZ-SD65WH is a transparent, colorless silicone-based optical coupling compound designed for high-efficiency light transmission in precision optoelectronic applications. It exhibits excellent optical clarity, minimal evaporation and fluid bleed at room temperature (25 °C), and outstanding long-term stability.

Key Properties:

• Refractive index: 1.467
• Specific gravity: 1.12
• Appearance: Clear, colorless gel
• Low volatility and bleed, ensuring reliable performance over extended periods

Primary Applications:
EGZ-SD65WH is ideally suited for optical interfacing between photosensors and scintillating materials, including:

• Coupling of photomultiplier tubes (PMTs) to scintillation crystals (e.g., NaI(Tl), CsI(Tl)) and light guides
• Sealing and filling in projector picture tubes
• Downhole tools for oil and gas exploration
• Encapsulation, bonding, and potting of sensitive electronic and optical components
• Optical fiber assembly: bonding, filling, and light coupling

Its stable physical and optical characteristics make EGZ-SD65WH a reliable choice for demanding environments where consistent light transfer and long-term integrity are critical.

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