Headquartered in Dongguan, Guangdong—China’s leading hub for mold manufacturing—HS specializes in high temperature resistance silicone seals and wear-resisting rubber sealing rings engineered exclusively for industrial electrical equipment. Our HS-SR06 silicone rubber O-rings are precision-crafted to withstand the harsh operating conditions of industrial electrical systems, combining superior heat resistance, wear resistance, and customization to deliver reliable sealing performance for critical electrical components. Whether you require standard silicone seals or bespoke rubber sealing rings tailored to unique equipment specifications, our factory-direct manufacturing capabilities ensure consistent quality, on-time delivery, and cost-effective solutions for industrial electrical equipment manufacturers worldwide.
Core Features of Our Silicone Seals & Rubber Sealing Rings Our silicone seals and rubber sealing rings stand out for their industrial-grade performance, material durability, and precision engineering—key traits that make them ideal for industrial electrical equipment applications.First, the material quality of our silicone seals is optimized for extreme conditions. We use premium silicone rubber (supplemented with EPDM, NBR, and NR options) that offers exceptional high temperature resistance (withstanding temperatures up to 200°C) and low temperature flexibility (down to -40°C), ensuring silicone seals maintain their shape and sealing integrity in the fluctuating thermal environments of industrial electrical equipment. The wear-resisting properties of our rubber sealing rings prevent abrasion and degradation, even with constant friction and contact with electrical components.Second, customization is central to our silicone seals and rubber sealing rings. We offer custom sizes to match customers’ specific requirements, custom colors per request, and precise molding with a tolerance of ±0.05mm—ensuring a perfect fit for any industrial electrical equipment component, from circuit breaker enclosures to motor housings.Third, multi-functional performance defines our silicone rubber O-rings. Beyond high temperature and wear resistance, our silicone seals provide excellent insulation, dustproof, and waterproof performance, protecting sensitive electrical equipment from environmental contaminants and electrical leakage.
Competitive Advantages of Our Silicone Seals & Rubber Sealing Rings Choosing our silicone seals and rubber sealing rings means partnering with a manufacturer that understands the unique demands of industrial electrical equipment, prioritizing quality, efficiency, and reliability. Rigorous Quality Certification & Compliance Our silicone seals and rubber sealing rings are certified to ROHS, ISO 9001, ISO 14001, and TS16949 standards, validating their safety, environmental friendliness, and compatibility with global industrial electrical equipment manufacturing requirements. Every silicone seal undergoes 100% quality inspection before shipment, including dimensional checks, heat resistance testing, and wear performance validation—ensuring consistent quality across every batch of rubber sealing rings. Factory-Direct Pricing & Scalable Production As a direct manufacturer with over 20 years of rubber processing expertise, we eliminate middleman markups, offering competitive pricing on silicone seals without compromising on material quality or performance. Our 10,000-square-meter production facility and 2000+ existing molds enable us to scale production of rubber sealing rings to meet bulk orders for industrial electrical equipment manufacturers, while maintaining a minimum order quantity (MOQ) of 1000 pieces to accommodate small and medium-sized businesses. Fast Prototyping & Technical Support Samples of silicone seals are available for testing, with fast turnaround times for custom rubber sealing ring prototypes. Our team of rubber engineering specialists provides 7×24 online support, offering technical guidance on material selection, size customization, and installation of silicone seals to ensure optimal performance in industrial electrical equipment applications. Long-Term Durability & Warranty We back all silicone seals and rubber sealing rings with a 3-year warranty—if unused products develop quality issues within this period, we offer free returns and replacements. The wear-resisting and high temperature resistance properties of our silicone rubber O-rings ensure a long service life, reducing maintenance costs and downtime for industrial electrical equipment operators.
Applications of Our Silicone Seals & Rubber Sealing Rings Our versatile silicone seals and wear-resisting rubber sealing rings serve critical roles in industrial electrical equipment, supporting both performance and safety:
Electrical Motor Components: Silicone seals are used in motor housings and shaft seals, with high temperature resistance to withstand heat generated by motor operation and wear resistance to handle rotational friction, preventing oil leakage and dust intrusion. Switchgear & Circuit Breakers: Rubber sealing rings seal switchgear enclosures and circuit breaker housings, providing dustproof and waterproof protection while maintaining electrical insulation, ensuring reliable operation in harsh industrial environments. Power Distribution Equipment: Our silicone seals fit power distribution cabinets and transformer enclosures, with high temperature resistance to endure heat from power transmission and wear resistance to withstand installation and maintenance activities. Industrial Control Panels: Multi-functional silicone rubber O-rings seal control panel enclosures, protecting internal electrical components from moisture, dust, and temperature fluctuations—ensuring stable performance of automation and control systems. Renewable Energy Electrical Equipment: Silicone seals are integrated into solar inverter housings and wind turbine electrical systems, with high temperature resistance and weatherability to withstand outdoor operating conditions and extend equipment lifespan.
At our Dongguan manufacturing facility, we leverage a team of over 100 skilled professionals and advanced molding technology to produce silicone seals and rubber sealing rings that exceed industrial electrical equipment industry standards. Our one-stop procurement service streamlines the entire process for silicone seals—from design and prototyping to production and delivery—reducing lead times and simplifying supply chain management for our clients. With a focus on innovation and quality, we continuously refine our silicone rubber O-rings to meet the evolving needs of industrial electrical equipment, including high-efficiency and low-energy consumption applications. Whether you need standard high temperature resistance silicone seals or fully customized wear-resisting rubber sealing rings, we are committed to delivering products that combine performance, durability, and value—engineered for the demands of industrial electrical equipment, built to last.
Product Description
Company Profile
Founded in 2003, Dongguan Huangshi Rubber & Plastic Tech Co., Ltd. is one of the famous silicone and plastic products manufacturers. Our factory is located in Chang'an Town, Dongguan City, enjoying good location and convenient transportation access. Being specialized in silicon mold making,plastic mold making and silicon and plastic products manufacturing, we always try our best to provide you with best-quality products. With a workshop of 6,000 square meters and a serious QC department, we are professional in making all kinds of silicone and plastic cases for cells phones, MP3, MP4 and MP5 players, silicone keyboards, silicone series parts of electronic goods, silicone kitchen accessories and silicone toys. We are sure to make better quality and better price silicone rubber and plastic products for you. Our main foreign trade markets include Southeast Asia, Europe and America. We also provide ODM/OEM products for many national famous companies. In order to satisfy different requirements from our clients, we import raw materials and machines to make our goods reach the standards of RoHS, ISO, SGS and EN71. "Do a good job at first time; do a better job every time" is our tenet. Please don't hesitate to contact us if you have any problem. We must be the one which you can trust in. We look forward to your requirements. Choose us,and we can do better for you!