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Rubber Seals

Julong Rubber manufactures custom rubber seals for sealing, dust protection, water resistance, air tightness, vibration reduction, and industrial assembly applications. We support OEM and ODM production based on drawings, samples, 3D files, or specific...

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Rubber Seals manufactured by Julong Rubber

Rubber Seals

28 products found
Rubber Oil Seals and Rotary Shaft Seals by Julong Rubber

Rubber Oil Seals and Rotary Shaft Seals

Solid-and-Sponge Co-Extruded Rubber Profiles by Julong Rubber

Solid-and-Sponge Co-Extruded Rubber Profiles

Extruded U-Channel Rubber Seals by Julong Rubber

Extruded U-Channel Rubber Seals

Custom Extruded Rubber Sealing Profiles by Julong Rubber

Custom Extruded Rubber Sealing Profiles

Custom Complex Co-Extruded Rubber Sealing Profiles by Julong Rubber

Custom Complex Co-Extruded Rubber Sealing Profiles

Colored Rubber Edge Trim Bulb Seals by Julong Rubber

Colored Rubber Edge Trim Bulb Seals

Sponge Bulb Edge Trim Seals with Metal Carrier by Julong Rubber

Sponge Bulb Edge Trim Seals with Metal Carrier

Custom Extruded Rubber Sealing Profiles by Julong Rubber

Custom Extruded Rubber Sealing Profiles

Container Door Seals Profiles by Julong Rubber

Container Door Seals Profiles

Custom Automotive Valve Cover Gaskets by Julong Rubber

Custom Automotive Valve Cover Gaskets

Custom Rubber Sealing Strips by Julong Rubber

Custom Rubber Sealing Strips

EPDM Container Door Seal Strip by Julong Rubber

EPDM Container Door Seal Strip

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Category Overview

Custom Rubber Seals Manufacturing

Julong Rubber manufactures custom rubber seals for sealing, dust protection, water resistance, air tightness, vibration reduction, and industrial assembly applications. We support OEM and ODM production based on drawings, samples, 3D files, or specific working conditions for automotive, HVAC, pumps, valves, machinery, electrical equipment, appliances, and industrial systems.

Rubber seals can be designed as molded seals, profile seals, edge seals, door seals, ring seals, lip seals, flat seals, protective seals, and application-specific sealing components. Material options include EPDM, NBR, silicone, FKM, HNBR, CR, natural rubber, SBR, sponge rubber, and custom rubber compounds depending on temperature range, oil exposure, UV resistance, compression set, chemical contact, and sealing performance requirements.

Buyers can specify size, shape, cross-section, hardness, tolerance, color, surface finish, installation method, compression requirement, compliance needs, quantity, and packaging. Julong Rubber provides material advice, tooling support, sampling, inspection, and export-ready production for custom rubber seal projects.

Manufacturing Process

From Raw Material to Finished Rubber Parts

See how custom rubber components move through material preparation, production, secondary processing, inspection, batch manufacturing and shipment. Real production photos provide a more direct view of the manufacturing process behind each order.

The exact production route varies by product, material, tooling and manufacturing process.
Rubber raw material and compound preparation at Julong Rubber

Raw Material & Compound Preparation

Material preparation starts according to the specified rubber type, hardness and project requirements before production begins.

Rubber Compound Sheets Prepared for Manufacturing

Material Preparation & Preforming

Rubber material is prepared for the required manufacturing route, which may include cutting, weighing, preforming or extrusion preparation.

Rubber Wheel Bonding and Molding Process

Molding, Extrusion & Vulcanization

Parts are molded, extruded or otherwise formed according to the product design, tooling and selected rubber manufacturing process.

Molded Rubber Parts Trimming and Deflashing

Trimming & Secondary Operations

After primary forming, required secondary operations can include trimming, cutting, joining, bonding or other product-specific finishing processes.

In-process dimensional and visual inspection of rubber parts

In-Process Inspection

Dimensions, appearance and specified characteristics can be checked during production according to the drawing and agreed inspection requirements.

Batch production of custom rubber parts at Julong Rubber

Batch Production

Approved production conditions are carried into repeat manufacturing, with batch output prepared for inspection, handling and final release.

Finished rubber parts inspected packed and prepared for shipment

Final Inspection, Packing & Shipment

Finished parts are prepared for final inspection, packing, identification and shipment according to the confirmed order requirements.

Traceable Production Stages Real production photographs provide visibility into how custom rubber components move through the factory.
Repeat Batch Manufacturing Production moves beyond sample development into repeat manufacturing under confirmed project requirements.
Inspection Before Release Inspection requirements can be defined according to drawings, product characteristics and agreed project criteria.
1995 Rubber manufacturing experience since 1995.
OEM Custom production based on drawing, sample, or application.
24h RFQ response target for drawings and technical questions.
Export Packaging and delivery support for international B2B buyers.

Need custom Rubber Seals?

Send your drawing, sample, material requirement, quantity, and working conditions. Julong Rubber will help review material selection, tooling, production method, and quotation details.

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