Humanoid Robots Hide Tons of Specialty Silicones-Iota

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News > Dynamic industry > Humanoid Robots Hide Tons of Specialty Silicones

Humanoid Robots Hide Tons of Specialty Silicones

With Tesla Optimus and Unitree H1 accelerating humanoid robot commercialization, attention turns to hidden materials—especially specialty silicones. Industry estimates suggest each unit uses 0.8–1.2 kg across two key areas.

First, electronic skin on hands and faces relies on ultra-clear, low-modulus PDMS oils (>95% transmittance, Tg < –120°C) to embed sensors without optical interference. Industrial-grade silicones yellow or haze over time due to metal impurities.

Second, joint seals endure millions of cycles. Fluorosilicone oils offer superior fatigue resistance and wide-temperature stability (–40°C to 150°C), though costly and mostly imported. Domestic suppliers now race to qualify materials under ISO 13482, focusing on dynamic durability and purity. The race isn’t just about chips—it’s about chemistry.

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