Does the self-cleaning function of smart toilet seats react chemically with metal parts like dampers?

Aug 07, 2025

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Products Description

 

 

 

Our Smart Toilet Seat: Perfect Compatibility Between Self-Cleaning and Metal Parts, A Reliable Choice​

In today's era of accelerating iteration of smart bathroom products, purchasers are paying increasing attention to product details. Among them, the compatibility between the self-cleaning function of smart toilet seats and metal components (especially dampers) has become a key factor affecting purchasing decisions. As an industrial and trade enterprise specializing in the production of toilet seats and dampers, relying on over 20years of professional experience, we have achieved a breakthrough solution for our products on this core issue through technological innovation and strict quality control. At present, our products have been exported to many countries and regions around the world, establishing long-term and stable cooperative relations with many overseas distributors.

Our Self-Cleaning Technology: Triple Protection, Balancing Sterilization and Compatibility​

 

Our Self-Cleaning Technology: Triple Protection, Balancing Sterilization and Compatibility​

 

 

 

The self-cleaning system of our smart toilet seat is not a stack of single technologies, but a collaborative scheme optimized through thousands of tests. While ensuring the sterilization rate, it avoids the risk of corrosion to metal parts from the source:​

Self-Cleaning Technology​

Core Parameters​

Impact on Metal Parts​

Industry Average​

Our Product Advantages​

UV Ultraviolet Sterilization​

Wavelength 253.7nm, Irradiation intensity ≥30mW/cm²​

Zero chemical contact, no corrosion​

Sterilization rate 95%

Sterilization rate 99.9%, equipped with intelligent timing shutdown function to avoid over-irradiation​

Electrolyzed Water Technology​

Hypochlorous acid concentration 50-80ppm, pH value 6.5-7.0​

Weakly acidic environment, no corrosion to 316 stainless steel​

Concentration fluctuation ±20ppm​

Concentration fluctuation ≤±5ppm, equipped with automatic residual liquid neutralization device​

Food-grade Antibacterial Coating​

Silver ion content 0.12%, Coating thickness 8-10μm​

Chemically stable, no displacement reaction​

Antibacterial effect 6 months​

Antibacterial effect 12 months, passed SGS food contact safety certification​

Final Solution

UV ultraviolet sterilization module

 Adopts medical-grade ultraviolet light tube,with a special optical path design to ensure 99.9% sterilization rate on the surface of the toilet seat within 20 seconds. The service life of the lamp tube is up to 8000 hours, which is 1.5 times the industry average. Since the entire process only destroys microbial structures through physical means, chemical interaction with metal parts such as dampers is completely avoided. After 5000 hours of continuous operation, the surface finish of metal parts has no change. In addition, we have installed a quartz glass protective cover with high light transmittance on the outside of the lamp tube, which can not only ensure the ultraviolet penetration effect, but also prevent the lamp tube from directly contacting with water vapor, further extending the service life.​

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Optimization of electrolyzed water technology

The independently developed electrolytic cell structure uses titanium-platinum alloy electrodes to precisely control the hypochlorous acid concentration in the safe range of 50-80ppm (pH value is close to neutral). Through comparative experiments, it can be seen that in the spray test of 3 times a day for 30 consecutive days, the surface of our zinc damper has no oxidation marks, while the control group using ordinary zinc has slight rust spots. The electrolytic cell also has an automatic cleaning function. After every 100 uses, it will automatically clean the electrodes to prevent scale from adhering to affect the electrolysis efficiency. This function extends the maintenance cycle of the electrolytic cell to more than 1 year.

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Food-grade antibacterial coating

A nano-scale antibacterial film of 8-10μm is formed on the surface of the toilet seat, using a special spraying process to make the coating adhesion reach level 5B (the highest level), which can still remain intact after 5000 friction tests. The silver ion content is strictly controlled at 0.12%, ensuring the antibacterial effect while avoiding excessive precipitation. Tests show that when the coating is in contact with metals such as 316 stainless steel and zinc alloy, there is no ion migration, At the same time, the coating also has good weather resistance, and its performance is stable in the temperature range of -30℃ to 80℃, which is suitable for use in different climate regions.​

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Our Dampers: Comprehensive Upgrade from Material to Craftsmanship​

 

 

As an industrial and trade enterprise producing both toilet seats and dampers, we understand the importance of component compatibility. Our dampers adopt a "material + craftsmanship" dual guarantee system, and each damper has to go through 20 production processes and 5 strict inspections before leaving the factory:​

Accessory Type​

Material Selection​

Core Process​

Corrosion Resistance Test​

Service Life​

Main Damper​

316 stainless steel​

Precision casting + mirror polishing​

96-hour salt spray test with no rust​

≥100,000 openings and closings​

Auxiliary Connector​

High-purity zinc alloy​

Multi-layer plating (nickel + chromium)​

48-hour salt spray test with no discoloration​

≥80,000 openings and closings​

Shaft Sleeve Assembly​

Food-grade silicone + 316 stainless steel​

Molded integral forming​

Passed acid and alkali immersion test​

≥5 years​

 

Products Advantages

 

 

 

 

Using precision casting technology, the dimensional tolerance is controlled within ±0.02mm to ensure perfect 配合 with the toilet seat. In the accelerated aging test simulating the humid environment of the bathroom, it can withstand more than 100,000 opening and closing operations (equivalent to 5 years of household use), and the damping coefficient attenuation rate is ≤5%. We also specially treated the hydraulic oil inside the damper, using high-temperature antioxidant hydraulic oil, which can maintain a stable damping effect in the temperature range of -10℃ to 120℃.​

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Multi-layer protection process

The auxiliary connectors are made of high-purity zinc alloy with a purity of 99.95% to reduce the impact of impurities on product performance. After three-layer electroplating treatment (the bottom layer of nickel ensures adhesion, the middle layer of copper enhances compactness, and the surface layer of chromium improves wear resistance), the total thickness of the coating reaches more than 15μm, and there is no discoloration in the 48-hour salt spray test. Cooperating with food-grade silicone shaft sleeves, physical isolation between metal parts and self-cleaning solution is realized. The silicone shaft sleeve is made of imported food-grade silicone raw materials, and the Shore hardness is controlled at 60±5 degrees, which not only ensures tightness but also does not affect the normal operation of the damper.​

 

 

 

CNC machining Manufactruing process

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Extreme environment test

In a closed space with temperature 40℃ and humidity 90%, continuously spray self-cleaning solution for 30 days:​

Zinc alloy connectors: no peeling or discoloration of the coating​

Silicone seals: hardness change rate ≤3%, no cracking​

Transportation vibration test

Simulate the long-distance transportation environment, fix the product on the vibration table, conduct a vibration test with a frequency of 10-50Hz and an amplitude of 2mm, and check after 8 hours:​

All metal parts are firmly connected without loosening​

The self-cleaning system functions normally without water leakage​

The damping effect of the damper has no obvious change​

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Cooperation Guarantee for Purchasers​

 

 

Full-link quality control: From raw material enter to finished product delivery, each batch of products undergoes 12 quality inspection procedures, providing complete material reports and compatibility test reports. We  can query the production information and testing data of each product at any time.​

 

Customized services: The damper damping coefficient and self-cleaning program parameters can be adjusted according to the needs of purchasers, providing exclusive packaging and LOGO customization. We have a professional R&D team that can complete the design of customized solutions and

After-sales guarantee: Commit to a 3-year product warranty, free return and exchange for compatibility issues, and 7×24 technical support. We have after-sales service centers in major global​

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