Are you looking for the best custom rubber seal factories in China? With China being the world’s largest manufacturer of rubber seals, choosing the right supplier can be overwhelming. Here, we’ll compare the top custom rubber seal factories, highlighting their strengths, specialties, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

Custom Rubber Products | Rubber Manufacturer

Product Details: Custom rubber extrusion and molding services involve the manufacture of various rubber products such as profiles, tubing, gaskets, and seals. These services use different molding processes including compression, transfer, and injection molding. The extrusion process forces rubber compounds through a die to create the desired shape. Materials used include Buna, Nitrile, Neoprene, Viton, EPDM, Silicone, and more. These products are tailored to meet specific application requirements and can be produced in various shapes, sizes, and configurations[2][3][5].

Pros:
– Ability to create various unique shapes and complex geometries
– Efficient and cost-effective production
– Lightweight, durable products
– Low waste production
– Meets or exceeds industry standards such as Mil-Spec, ASTM, SAE, ANSI, and FDA
– Customizable to fit specific application needs

Cons:
– Material choice is critical and must be carefully selected for the intended appl…
– Some processes, like vulcanization, can lead to shrinkage or swelling of the mat…
– Complex designs may require the fabrication of new dies, which can add to the in…
– Lead times can vary, typically ranging from 3-5 weeks for production

Custom O-Rings, Custom Molded O-Ring China …

Product Details: Savvy Rubber offers custom o-rings designed and produced in various cross-sections and shapes. These o-rings are defined as custom if their cross-section or outline shape deviates from standard o-ring sizes. The company requires the inner diameter (ID) and cross-section (CS) for standard custom o-rings, and a detailed drawing for non-round shapes. Custom o-rings are used in industries such as hydraulics, oil and gas, semiconductor processing, aerospace, food processing, water filtration, electronic products, machinery fabrications, plastic sealing, automotive, and medical equipment. Materials include NBR, FKM, Silicone, and others, with hardness ranging from Shore A 40 to 90. Colors can be customized

using standard RAL or Pantone color numbers.

Pros:
– Strong cost control management resulting in low prices while maintaining high qu…
– Ability to produce o-rings in various sizes, materials, and colors.
– Expertise in designing and producing custom o-rings with complex shapes.
– Wide range of applications across multiple industries.
– Fast delivery and low mold/tooling costs.

Cons:
– Higher price compared to standard o-rings due to lower volume production.
– Requires detailed communication and cooperation for custom designs without a pro…
– Unique colors may increase cost and require a larger minimum order quantity (MOQ…

China Molded Rubber Products Supplier

Product Details: Hebei Shida Seal Group is a China-based manufacturer of custom molded rubber products. They specialize in precision molded rubber parts for various industries, including automotive, heavy truck, rail vehicles, marine, consumer products, appliances, electrical, and electronics. The company offers custom-molding capabilities in both compression molding and injection molding, working with polymers such as EPDM, NBR, and Silicone Rubber. Their custom rubber compounds feature good compression set, high tensile strength, excellent weathering, ozone, UV, water, steam, high and low temperature resistance.

Pros:
– Quick turnaround to meet due dates
– In-house tooling manufacturing to save time on project timelines
– IATF 16949:2016 quality standards
– Prototypes through production quantities available
– On-site visits and audits encouraged
– Continuous cost control
– Tooling can be less complex and lower cost to construct
– Lower percentage material runner scrape vs. traditional injection or transfer mo…
– Process suitable for most elastomers and cure systems
– High precision, consistency, and design complexity in injection molding
– Ability to reverse engineer products from samples or develop for specific applic…

Cons:
– Labor for preforming material can add cost in compression molding
– Cycle times may be longer in compression molding
– Higher initial and long-term equipment investment costs for injection molding
– Injection molding better suited for high-volume runs due to high costs

Top 10 Rubber Seals Manufacturers and Suppliers in China

China Rubber Seal Strip Manufacturer

Product Details: Rubber seal strips, also known as rubber strips, rubber seals, or rubber weather stripping, are manufactured primarily from EPDM rubber. They are highly versatile and used in various applications and industries. The manufacturing process includes rubber mixing, extrusion, vulcanization, cutting and shaping, taping, quality control, and packaging. These strips are available in different shapes such as D-shape, P-shape, T-shape, and rectangle. They can be customized in terms of length, thickness, width, material, color, and hardness. Common materials include EPDM, silicone rubber, chloroprene rubber, PVC, and nitrile rubber. The minimum order quantity (MOQ) is 500 meters.

Pros:
– Excellent flexibility, durability, and weather resistance.
– Resistant to water, sound, dust, wind, heat, insects, and elements.
– Customizable in size, shape, material, color, and hardness.
– Wide range of applications including door and window seals, automotive seals, an…
– Environmentally friendly and resistant to corrosion, aging, and high and low tem…
– Good anti-seepage, anti-leakage, and water-proof effects.

Cons:
– Minimum order quantity (MOQ) of 500 meters may be a limitation for small-scale u…
– Regular maintenance is required to ensure the rubber strips remain effective, in…

High Quality Rubber Extrusions Manufacturers in China …

Product Details: Hebei Shida Seal Group manufactures high-quality rubber extrusions, including custom extruded rubber products such as door seals, gaskets, moldings, and spliced rings in various shapes and sizes. They can extrude ‘U’, solid ‘D’, hollow ‘D’, and custom shapes from dense and sponge materials. The products are made from high-density materials like Buna-N, EPDM, Neoprene, and Silicone. They offer PSA-backed, vulcanized, and spliced custom extrusions and utilize microwave and hot air curing for EPDM and silicone rubber. Their rubber extrusions are flame retardant, temperature resistant, and widely used by OEMs in the appliance, automotive, and medical industries. Additional services include lamination,

slitting, perforating, and printing logos or part numbers on extruded parts.

Pros:
– Over 30 years of experience in designing angles, channels, rods, and tubing to m…
– Industry-leading rubber vulcanization capability using microwave continuous + ho…
– Expert staff in determining the best manufacturing method for reliable, high-per…
– IATF 16949:2016 accredited quality management system and ability to provide PPAP…
– Wide range of materials and shapes available, including custom profiles and comp…

Cons:
– No specific cons mentioned in the provided source, but general considerations mi…

Custom Rubber Seal Wholesale

Product Details: Custom Rubber Seals provided by Haining Chaoyue Seals Co., Ltd. are designed to offer a tight, non-abrasive seal in pipe and hose fittings. These seals protect against leaks, vibration, and electrical charges. They are custom-made to meet specific requirements and can be used in various applications such as industrial, automotive, and electrical systems.

Pros:
– Provides a tight, non-abrasive seal
– Protects against leaks, vibration, and electrical charges
– Custom-made to meet specific requirements
– Versatile use in industrial, automotive, and electrical systems

Cons:
– No specific cons mentioned on the website
– May require custom ordering which could lead to longer lead times

China Rubber Seal Manufacturers Suppliers Factory

Product Details: HSK Seal is a professional manufacturer and supplier of rubber seals in China. They offer a wide range of products including EPDM Food Grade Rubber Gaskets, FKM Rubber O Rings, Rubber O Rings, Versatile Dynamic Small Round Rubber Washers, Colorful Rubber Washers, Red Rubber SBR Gaskets, NBR Gasket Material, 40mm Waste Pipe Rubber Washers, Waterproof Rubber Washers, and Versatile Dynamic Waterproof EPDM Rubber Gaskets. These products are made from high-quality raw materials imported from world-class suppliers.

Pros:
– High-quality raw materials from world-class suppliers
– Durable and long-lasting products
– Versatile applications across various industries
– Competitive pricing
– Custom service available

Cons:
– Limited information on specific product performance metrics
– No detailed specifications or technical data provided on the website
– International orders may require direct contact, which could be inconvenient

Customize Rubber Gaskets Seals China Best Supplier

Custom Inflatable Rubber Seals – IKSonic

Product Details: Custom Inflatable Rubber Seals are manufactured by IKSonic, a leading supplier in China. These seals are designed to meet specific requirements and ensure durability and performance. They are made from various materials such as silicone, EPDM, and NBR, each chosen based on the environmental conditions of the application. The seals are used in applications like sealing large doors and hatches, frequent opening and closing of conduit ports and valves, powder bags in automation for canned food, pharmaceutical machinery, and experimental equipment. IKSonic uses advanced manufacturing technology and maintains strict quality control measures throughout the production process.

Pros:
– Customizable to fit specific application needs
– Effective in sealing gaps that vary due to machining, assembly accuracy, or ther…
– Easy to use and require less force to ensure a 100% seal
– Suitable for unique sealing applications where traditional seals are ineffective
– High-quality materials and advanced manufacturing technology ensure durability
– Prompt delivery and competitive pricing

Cons:
– May require specialized knowledge for material selection and design
– Dependent on the correct inflation and deflation pressures for optimal performan…
– Limited to applications where inflatable seals are technically feasible

Comparison Table

Company	Product Details	Pros	Cons	Website
Custom Rubber Products	Rubber Manufacturer	Custom rubber extrusion and molding services involve the manufacture of various rubber products such as profiles, tubing, gaskets, and seals. These se…	– Ability to create various unique shapes and complex geometries – Efficient and cost-effective production – Lightweight, durable products – Low waste…	– Material choice is critical and must be carefully selected for the intended appl… – Some processes, like vulcanization, can lead to shrinkage or s…
Custom O-Rings, Custom Molded O-Ring China …	Savvy Rubber offers custom o-rings designed and produced in various cross-sections and shapes. These o-rings are defined as custom if their cross-sect…	– Strong cost control management resulting in low prices while maintaining high qu… – Ability to produce o-rings in various sizes, materials, and co…	– Higher price compared to standard o-rings due to lower volume production. – Requires detailed communication and cooperation for custom designs witho…	savvyrubber.com
China Molded Rubber Products Supplier	Hebei Shida Seal Group is a China-based manufacturer of custom molded rubber products. They specialize in precision molded rubber parts for various in…	– Quick turnaround to meet due dates – In-house tooling manufacturing to save time on project timelines – IATF 16949:2016 quality standards – Prototyp…	– Labor for preforming material can add cost in compression molding – Cycle times may be longer in compression molding – Higher initial and long-term…	www.shidarubber.com
Top 10 Rubber Seals Manufacturers and Suppliers in China				hongjusilicone.com
China Rubber Seal Strip Manufacturer	Rubber seal strips, also known as rubber strips, rubber seals, or rubber weather stripping, are manufactured primarily from EPDM rubber. They are high…	– Excellent flexibility, durability, and weather resistance. – Resistant to water, sound, dust, wind, heat, insects, and elements. – Customizable in s…	– Minimum order quantity (MOQ) of 500 meters may be a limitation for small-scale u… – Regular maintenance is required to ensure the rubber strips re…	seashorerubber.com
High Quality Rubber Extrusions Manufacturers in China …	Hebei Shida Seal Group manufactures high-quality rubber extrusions, including custom extruded rubber products such as door seals, gaskets, moldings, a…	– Over 30 years of experience in designing angles, channels, rods, and tubing to m… – Industry-leading rubber vulcanization capability using microwa…	– No specific cons mentioned in the provided source, but general considerations mi…	www.shidarubber.com
Custom Rubber Seal Wholesale	Custom Rubber Seals provided by Haining Chaoyue Seals Co., Ltd. are designed to offer a tight, non-abrasive seal in pipe and hose fittings. These seal…	– Provides a tight, non-abrasive seal – Protects against leaks, vibration, and electrical charges – Custom-made to meet specific requirements – Versat…	– No specific cons mentioned on the website – May require custom ordering which could lead to longer lead times	www.chaoyuerubber.com
China Rubber Seal Manufacturers Suppliers Factory	HSK Seal is a professional manufacturer and supplier of rubber seals in China. They offer a wide range of products including EPDM Food Grade Rubber Ga…	– High-quality raw materials from world-class suppliers – Durable and long-lasting products – Versatile applications across various industries – Compe…	– Limited information on specific product performance metrics – No detailed specifications or technical data provided on the website – International o…	www.hskseal.com
Customize Rubber Gaskets Seals China Best Supplier				tosunrubberchina.en.ec21.com
Custom Inflatable Rubber Seals – IKSonic	Custom Inflatable Rubber Seals are manufactured by IKSonic, a leading supplier in China. These seals are designed to meet specific requirements and en…	– Customizable to fit specific application needs – Effective in sealing gaps that vary due to machining, assembly accuracy, or ther… – Easy to use a…	– May require specialized knowledge for material selection and design – Dependent on the correct inflation and deflation pressures for optimal perform…	www.iksonic.com

Frequently Asked Questions (FAQs)

What types of rubber materials do custom rubber seal factories in China typically work with

Custom rubber seal factories in China often work with a variety of rubber materials, including EPDM, NBR (Nitrile), Silicone Rubber, Neoprene, and Viton. These materials are chosen for their specific properties, such as weather resistance, high and low temperature tolerance, and chemical resistance, to meet the diverse needs of various industries.

What manufacturing processes are commonly used in custom rubber seal production

These factories commonly use several manufacturing processes, including compression molding, transfer molding, and injection molding. Each process is selected based on the complexity and requirements of the part being produced. For example, injection molding is often used for high-volume production, while compression molding is better suited for parts that require high precision.

What industries do custom rubber seal factories in China serve

Custom rubber seal factories in China serve a wide range of industries, including automotive, industrial equipment, electrical and electronics, agriculture and forestry machines, home appliances, medical devices, and aerospace. They also cater to the needs of the transportation, marine, and consumer products sectors.

How do these factories ensure the quality of their custom rubber seals

To ensure quality, these factories employ strict quality control measures, including in-house tool and mold design, advanced testing equipment, and adherence to international standards such as IATF 16949:2016. They also conduct rigorous testing for properties like compression set, tensile strength, and resistance to weathering, ozone, UV, water, and steam.

Can I get custom-designed rubber seals tailored to my specific needs

Yes, you can get custom-designed rubber seals tailored to your specific needs. These factories offer services where they work from your prints, sketches, or existing parts to create custom molds. They also provide prototyping services and can customize the shape, size, material, color, and hardness of the rubber seals according to your requirements.