Based in Dongguan, Guangdong—China’s preeminent hub for mold manufacturing—we specialize in custom molded silicone rubber gaskets engineered for precision sealing, offering both liquid and solid silicone solutions tailored to diverse industrial and commercial applications. Our silicone rubber gaskets are precision-crafted to meet the strictest dimensional and performance standards, combining exceptional sealing integrity, material versatility, and full customization to deliver reliable solutions for manufacturers worldwide. Whether you require liquid silicone gaskets for intricate components or solid silicone gaskets for heavy-duty sealing, our factory-direct capabilities ensure consistent quality, on-time delivery, and cost-effective results for your precision sealing needs.
Core Features of Our Custom Molded Silicone Rubber Gaskets Our custom molded silicone rubber gaskets stand out for their precision engineering, material flexibility, and durable sealing performance—key traits that make them ideal for liquid and solid silicone applications across industries.First, the material quality of our silicone rubber gaskets is unparalleled. We offer both liquid and solid silicone formulations, each optimized for specific sealing needs: liquid silicone delivers exceptional flowability for intricate, micro-sized gaskets with tight tolerances (±0.05mm), while solid silicone provides robust durability and resistance to heat, chemicals, and mechanical stress. Both formulations are eco-friendly, non-toxic, and compliant with global safety standards like ROHS and LFGB, ensuring silicone rubber gaskets are safe for use in food-grade, medical, and industrial environments.Second, precision molding defines our silicone rubber gaskets. Our advanced molding processes achieve micron-level accuracy, ensuring custom molded gaskets create airtight, watertight, and chemical-resistant seals for even the most complex component geometries. We offer full customization of sizes, shapes, and hardness (20–90 Shore A), allowing silicone rubber gaskets to adapt to diverse sealing requirements—from soft, compressible liquid silicone gaskets for delicate electronics to rigid solid silicone gaskets for industrial machinery.Third, versatility is embedded in every silicone rubber gasket we produce. Our liquid and solid silicone solutions perform reliably across extreme temperatures (-40°C to 230°C), resist oil, water, and corrosive chemicals, and maintain sealing integrity even with repeated compression and expansion—making silicone rubber gaskets suitable for static and dynamic sealing applications alike.
Competitive Advantages of Our Silicone Rubber Gaskets Choosing our custom molded silicone rubber gaskets means partnering with a manufacturer with 20+ years of silicone rubber processing expertise, prioritizing quality, efficiency, and customer-centric service for precision sealing applications. Precision Engineering & Quality Control Every silicone rubber gasket undergoes 100% quality inspection before shipment, including dimensional verification, compression set testing, and sealing performance validation. Our strict quality control processes—backed by ISO 9001, ISO 14001, and ISO 13485 certifications—ensure silicone rubber gaskets meet the stringent precision standards of medical, automotive, and electronics industries, eliminating leaks and reducing costly rework for manufacturers. Liquid & Solid Silicone Expertise We possess extensive experience in formulating and molding both liquid and solid silicone, allowing us to recommend the optimal material for your specific sealing application. Our engineering team collaborates closely with clients to refine gasket designs, selecting liquid silicone for complex, thin-walled components or solid silicone for high-pressure, heavy-duty sealing needs—ensuring silicone rubber gaskets deliver maximum performance and longevity. Cost-Effective Factory-Direct Pricing As a direct manufacturer with a 10,000-square-meter production facility and over 2000 existing molds, we eliminate middleman markups, offering competitive pricing on custom molded silicone rubber gaskets without compromising material quality or precision. Our scalable production capabilities accommodate both small-batch custom orders and large-volume bulk production, reducing per-unit costs for liquid and solid silicone solutions. Fast Prototyping & Technical Support We offer fast prototyping for custom molded silicone rubber gaskets, with stock samples shipped within 3 days to validate fit, sealing performance, and material compatibility before full production. Our 7×24 online technical support team provides guidance on material selection, mold design, and installation, leveraging decades of expertise to solve complex precision sealing challenges for liquid and solid silicone applications.
Applications of Our Custom Molded Silicone Rubber Gaskets Our versatile silicone rubber gaskets serve critical precision sealing roles across diverse industries, thanks to their liquid and solid silicone formulations and customizable design:
Electronics & Electrical Equipment: Liquid silicone rubber gaskets seal circuit boards, battery enclosures, and sensor housings—their precision molding and soft hardness (20–50 Shore A) provide dustproof, waterproof, and electrical insulation protection for sensitive electronic components. Automotive Systems: Solid silicone rubber gaskets are used in engine compartments, fuel systems, and HVAC units—their heat resistance and chemical tolerance prevent leaks of oil, coolant, and fuel, while liquid silicone gaskets fit intricate automotive sensor components for reliable performance. Medical Devices: Liquid silicone rubber gaskets comply with ISO 13485 medical device standards, sealing diagnostic equipment, surgical tools, and wearable medical devices—their biocompatibility and precision sealing ensure hygiene and reliability in clinical settings. Food & Beverage Processing: Solid silicone rubber gaskets seal processing equipment, packaging machinery, and food-grade containers—their non-toxic formulation and resistance to high temperatures and cleaning chemicals meet strict food safety regulations. Industrial Machinery: Custom molded solid silicone rubber gaskets seal pumps, valves, and compressors in manufacturing and construction equipment—their durability and resistance to extreme pressure and abrasion ensure long-term sealing performance in harsh industrial environments.
At our Dongguan manufacturing facility, we leverage a team of over 100 skilled professionals and state-of-the-art molding equipment to produce silicone rubber gaskets that exceed industry standards. Our commitment to excellence is backed by 20+ product patents and compliance with global certifications (BSCI, Sedex), validating the safety and sustainability of our liquid and solid silicone solutions for international markets. We back all silicone rubber gaskets with a 3-year warranty: if unused gaskets develop quality issues within this period, we offer free returns and replacements. Whether you need liquid silicone gaskets for precision electronic sealing or solid silicone gaskets for heavy-duty industrial applications, we are committed to delivering custom molded silicone rubber gaskets that combine performance, precision, and value—engineered for your unique sealing needs, built to last.
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!
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