Low Friction Silent Bionic Skin Silicone

Low friction silent bionic skin silicone is low-friction modified platinum-cured RTV-2 liquid bionic silicone developed by Shenzhen Hong Ye Jie Technology for dynamic movable humanoid robot industry. Modern dynamic humanoid robots can perform continuous movements including arm lifting head rotation and limb bending. The bionic skin at elbows shoulders wrists neck and other joints keeps squeezing and sliding with mechanical movement. Conventional bionic silicone features high friction coefficient and dry surface. Every movement of joints causes squeaky harsh noise while two silicone skin layers rub against each other. In close-range exhibition scenarios, the noise ruins realistic bionic effect and hurts visitor experience. High friction also raises joint movement resistance and motor power consumption. For skin structure with embedded flexible pressure sensing films, repeated friction may scratch fragile sensor films and cause sensing failure, requiring frequent disassembly and replacement of sensors and skin. Many dynamic display robots have good static appearance, but obvious squeaky noise appears once continuous movement is activated, making them unsuitable for commercial close exhibition.

This low friction silent bionic skin silicone adopts internal smooth modification technology without post-spray oil-based hand feel agent to reduce inherent friction coefficient of silicone. Core selling points: low friction coefficient, silent sliding during joint bending, no harsh squeaky noise when skin rubs against each other, stable performance without noise increase after repeated bending, smooth non-dry surface and no scratch damage to inner sensing films. When robot joints bend back and forth for long hours, skin sliding only generates extremely low volume sound without sharp squeaking. The surface is soft and smooth without dry sticky hand feel, lowering joint movement resistance and motor load. It follows standard 1:1 weight mixing ratio and cures at room temperature, heating can accelerate curing. Both pouring and brushing coating processes are supported for integrated molding of neck shoulder elbow wrist movable joint skin of humanoid robots. Hardness ranges from 3A to 18A. 3A‑8A ultra-soft grade fits movable skin of neck and face with realistic touch and silent performance. 9A‑18A grade is suitable for large-area skin of manipulators and arms, balancing low friction property tear resistance and reciprocating bending durability.

Core advantages: low friction coefficient, silent sliding during joint bending, no harsh squeaky noise when skin rubs against each other, stable performance without noise increase after repeated bending, smooth non-dry surface and no scratch damage to inner sensing films. Most bionic silicone only optimizes static touch and tensile property without modification for dynamic joint friction noise reduction. It feels good when touched statically but generates obvious noise under continuous joint movement. This silent dedicated bionic silicone specially solves squeaky noise issue of dynamic humanoid robot joint skin. No harsh noise occurs when robot performs continuous bending movement. The surface will not produce powder or debris after long repeated bending and friction performance stays stable. Ultra-low curing shrinkage precisely replicates fine human skin texture. Even with low friction modification, skin texture remains delicate without slippery fake skin feeling.

The formula has passed large batches of reciprocating bending durability and long term friction coefficient test. After tens of thousands of joint cycle movements, friction coefficient does not rise significantly and noise will not grow with movement times. Excellent tear strength prevents cracking under repeated bending. Platinum eco-friendly system is non-toxic and odorless, safe for close human robot interaction. The silicone has controllable fluidity and great defoaming performance. Complex curved joint molds produce few bubbles with uniform color. Batch low friction and silent indicators are stable for small prototype sampling and mass skin production for dynamic humanoid robot projects.

Shenzhen Hong Ye Jie Technology maintains a full differentiated bionic silicone portfolio covering self-healing, hydrolysis-resistant, high-tear-strength, low-shrinkage precision molding, high-resilience anti-deformation, matte anti-fingerprint, zero-bleed clean-grade, low-odor low-VOC, antibacterial hygienic, weathering anti-aging, anti-static low dust accumulation, sensor-compatible flexible substrate, high elongation large stretch, wide temperature range stable, sebum resistant anti-grease and this new low friction silent series. Customization for hardness, skin tone and friction coefficient indicators is available. Friction coefficient and dynamic bending noise test reports and sample evaluation can be provided to help dynamic humanoid robot projects eliminate joint friction noise, reduce motor load, protect built-in flexible sensors, extend service life of bionic skin and sensing elements and improve bionic experience of close dynamic exhibition.

Main Features Inherent low friction modified formula, no extra hand feel oil coating, reduce surface friction coefficient of silicone Silent sliding during joint bending, no sharp squeaky noise when skin layers slide and contact Stable durability after repeated cyclic bending, noise will not rise after tens of thousands of joint movements Smooth non-dry surface, reduce joint movement resistance and cut power consumption of robot motors Gentle surface without film scratching, dynamic friction will not damage built-in flexible pressure sensing films Great molding compatibility, supports pouring and brushing molding for all kinds of movable joint skin Platinum eco-friendly formula, non-toxic and odorless, safe for close dynamic demonstration interaction in exhibition halls Stable batch silent friction performance, friction coefficient and bending noise inspection for each batch, available for prototype and mass projects

Operating Instructions Stir Part A and Part B separately for more than 3 minutes before use. Mix strictly at 1:1 weight ratio and fully stir for 2‑3 minutes while scraping bottom and wall. Carry out sufficient vacuum defoaming after mixing to reduce bubble defects. Room temperature pot life is 40‑50 minutes; full curing takes 6‑10 hours at room temperature. Heat at 50‑70℃ to accelerate curing without damaging core low friction silent performance. For dynamic joint robot projects, make samples in advance and complete reciprocating bending noise reliability verification.

Notes Platinum cured silicone must avoid contamination of sulfur, tin, lead and phosphorus substances, which may cause curing failure and degrade low friction performance. Keep mixing containers and molds clean and dry. This material adopts inherent low friction modification. Heavy dust accumulation on surface may slightly affect friction and silent effect, simple regular dust cleaning is required. Keep finished products away from strong solvent contact to extend skin service life. Store in cool and ventilated warehouse away from high temperature heat source.

Packing & Storage Part A and Part B are separately sealed in drums: 5KG, 20KG, 200KG. Store in cool dry and ventilated warehouse away from high temperature heat source. Sealed shelf life is 12 months. Non hazardous goods, regular logistics available.