Ningbo Zhonggao Rubber & Plastic Manufacturing Co., Ltd. is one of the most reliable manufacturers and suppliers of neoprene rubber gaskets in China. The company has world-leading production equipment and strong manufacturing capabilities. Welcome to wholesale custom made neoprene rubber gaskets from our factory.
Neoprene Rubber Gaskets
Neoprene rubber gaskets are chloroprene rubber sealing components designed for applications requiring resistance to weathering, ozone, oils, lubricants, and moderate chemical exposure. They are available in different compounds, hardnesses, thicknesses, shapes, and dimensions to meet specific sealing, environmental, and equipment requirements.
Specifications
|
Technical Item |
Reference Value / Range |
|
Material |
Neoprene (CR) |
|
Operating Temperature |
-40°C to +120°C |
|
Hardness |
60–75 Shore A |
|
Tensile Strength |
9–15 MPa |
|
Elongation at Break |
300–500% |
|
Compression Set |
≤35%* |
|
Gasket Thickness |
0.5–10 mm* |
|
Gasket Dimensions |
10–2,000 mm* |
|
Dimensional Tolerance |
±0.10–±0.50 mm* |
|
Recommended Compression |
15–30%* |
|
Working Pressure |
0.1–10 MPa* |
*Final specifications depend on gasket geometry, compound formulation, hardness, manufacturing process, mating components, and application conditions. CR-specific values should be confirmed against the final product specification and test requirements.
Custom Neoprene Gasket Manufacturing
We manufacture custom neoprene rubber gaskets based on your drawing, sample, dimensions, and application requirements.
We can produce:
• Custom ID, OD, length, width, and thickness
• Ring, square, rectangular, oval, washer, and flange gaskets
• Irregular shapes, holes, slots, grooves, and cutouts
• Custom profiles and sealing structures
Neoprene compound and hardness can be specified according to:
• Required hardness
• Operating temperature
• Fluid or environmental conditions
• Compression requirements
• Static or dynamic sealing conditions
You can provide:
• CAD or technical drawings
• Dimensions and tolerances
• Material and hardness requirements
• Existing gasket samples
We can use these details to evaluate the product structure and develop the gasket accordingly.
Custom molds can be developed for molded neoprene gaskets. Available processes include:
• Compression molding
• Transfer molding
• Injection molding
• Die cutting
Samples can be produced for evaluation and approval before mass production.
We support:
• Custom packaging and labels
• Customer part numbers
• OEM production with customer-provided molds
For customer-provided molds, the customer's project holds the exclusive right to use the molds, while Zhonggao maintains confidentiality to protect customer drawings and intellectual property.
Neoprene Gasket Applications
Neoprene rubber gaskets are used across equipment and systems where reliable sealing is required in automotive, HVAC, marine, electrical, and industrial environments.
• Automotive & Transportation
• HVAC & Refrigeration
• Marine & Outdoor Equipment
• Electrical & Electronic Enclosures
• Industrial & Construction Equipment
Neoprene Gasket Manufacturing Capability
Zhonggao operates a 5,000㎡ factory with 20 production lines and a monthly production capacity of up to 10 million rubber parts, supported by more than 20,000 molds and 40+ experienced technicians for scalable custom gasket production. For repeat orders, in-house manufacturing, controlled production processes, and 100% quality inspection before shipment help maintain consistent dimensions, material properties, and overall product quality from batch to batch.
Neoprene Gasket Quality Control
Material Verification
Neoprene compound, material specification, and hardness are verified against the approved material requirements to confirm batch consistency.
Dimensional Inspection
Critical ID, OD, length, width, thickness, hole diameter, hole position, profiles, and other dimensions are inspected against the approved drawing, specifications, and applicable tolerances.
Hardness Testing
Shore A hardness is tested against the specified range to verify that the finished gasket meets the required material hardness.
Physical Property Testing
Tensile strength, elongation, compression set, and other specified physical properties are tested when required to verify compliance with project requirements.
Surface & Appearance Inspection
Flash, burrs, cracks, deformation, surface defects, and edge quality are inspected to identify molding and finishing defects that may affect installation or sealing.
Batch & Traceability Control
Production records, product identification, quantity, and packaging are checked to support batch traceability and consistent quality across repeat orders.
Quality Management Certifications
Production and quality management are supported by IATF 16949, ISO 9001, ISO 14001, and ISO 45001 certified management systems.
B2B Ordering & Supply Support
Sample & Prototype Support
Samples can be provided for specification and fit evaluation before mass production, with typical sample lead times of 3–15 days depending on project requirements.
Flexible MOQ
MOQ can be discussed according to gasket size, tooling requirements, customization, and order quantity rather than applying one fixed quantity to every project.
Mass Production & Lead Time
We support trial, small-batch, and bulk orders, with typical production lead times of 10–30 days after specifications and production details are confirmed.
Repeat Order Support
Approved specifications, production records, and batch controls help maintain consistent dimensions, materials, and packaging for repeat neoprene gasket orders.
Packaging & Identification
Packaging can be arranged according to order quantity, project requirements, warehouse needs, or OEM programs, with identification by size, drawing number, material, or batch when required.
Technical & Documentation Support
Technical consultation is available for drawing confirmation, material selection, sample evaluation, and required inspection or factory audit documents when applicable.
FAQ
Q: Can Neoprene Rubber Gaskets Be Made From a Sample?
A: Yes. An existing gasket sample can be used as a reference for evaluating dimensions, profile, material, and tooling requirements. This is useful when original drawings or complete specifications are not available.
Q: Can You Manufacture Neoprene Gaskets From CAD Drawings?
A: Yes. CAD files or technical drawings can be reviewed for dimensions, tolerances, gasket profiles, hole patterns, and other critical requirements before production.
Q: Can Neoprene Gaskets Be Supplied With Customer Part Numbers?
A: Yes. Customer part numbers and product identification can be used for OEM orders to support purchasing, inventory management, and repeat-order identification.
Q: Can You Support Neoprene Gasket Orders for Multiple Equipment Models?
A: Yes. Multiple gasket sizes, profiles, and specifications can be produced within the same project, allowing customers to consolidate related sealing components with one supplier.
Q: Can Neoprene Gaskets Be Reordered With the Same Specifications?
A: Yes. Approved drawings, specifications, tooling, and production records can be referenced for repeat orders, helping simplify reordering and maintain consistency across production batches.
Q: Can You Provide Inspection Documents for Neoprene Gaskets?
A: Inspection and quality documentation can be provided according to project requirements, such as dimensional inspection results, material or hardness records, and other applicable quality documents.
Q: Can Neoprene Rubber Gaskets Be Used for Custom Equipment?
A: Yes. Custom Neoprene gaskets can be developed for equipment with non-standard dimensions, sealing profiles, hole patterns, or installation requirements based on drawings, samples, and application specifications.
Q: What Packaging Options Are Available for Neoprene Gaskets?
A: Packaging can be arranged according to product size, quantity, handling requirements, and customer preferences. Individual, bulk, and customized OEM packaging can be discussed for different projects.
Q: How Are Neoprene Rubber Gaskets Shipped?
A: Neoprene gaskets can be arranged for international shipment according to order volume, delivery requirements, and destination. Common options include sea freight, air freight, and express delivery for different order sizes and urgency.
Custom Neoprene Rubber Gaskets for Your Project
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