Where are these composite seals commonly used?

They are widely used in automotive doors/windows, building weatherstripping, industrial cabinet gaskets, marine equipment, and HVAC systems.

Can you supply the seals in different lengths?

Yes. We can provide the strips in continuous coils or cut them to your required fixed lengths (e.g., 1m, 2m, 5m).

What is your MOQ and production lead time?

Small trial orders are acceptable. Mass production lead time is 10 to 20 working days, depending on order quantity and profile complexity.

Do you provide warranty?

We offer a 12-month quality warranty against manufacturing defects.

What payment and trade terms do you accept?

We support FOB, EXW, and CIF trade terms.

Premium EPDM Solid and Sponge Co-Extruded Seal Strip for Weatherproofing

Name: Premium EPDM Solid and Sponge Co-Extruded Seal Strip for Weatherproofing
Brand: Xingtai Yinghua Rubber Machinery Manufacturing Co., Ltd.
SKU: 2158827422

Hebei, ChinaXingtai Yinghua Rubber Machinery Manufacturing Co., Ltd.

US$1.00

100,000-499,999 Meters

US$0.80

500,000+ Meters

Sample price:US$0.00/meter.Request sample

Product profile

Customization

Available

Material

Sponge Rubber

Usage

Automobile, Machinery, Doors & Windows

Model NO.

Special-shaped Rubber Strip

Type

Hollow Sealing Strip

Sectional Shape

T-Shape

Performance

Wear

Vulcanization

Continuous Vulcanization

Standard

Standard, Nonstandard

Width

10 to 80mm

Height

5 to 40mm

Hardness of Solid Part

50 to 70 Shore a

Hardness of Sponge Part

20 to 40 Shore a

Operating Temperature

-40℃ to +120℃ (EPDM)

Color

Black (Standard) / Custom Colors

Length

Continuous Coils or Custom Cut Lengths

Transport Package

Carton Packaging

Specification

as requirement

Trademark

YINGHUA

Origin

Xingtai, China

HS Code

4006901000

Key features

Dual-Material Design: Solid rubber base provides structural support while sponge section delivers uniform sealing pressure.

Superior Weather Resistance: EPDM material offers excellent ozone, UV, and weather resistance for long-term outdoor performance.

High Compression Recovery: Resists permanent deformation under repeated use, ensuring consistent sealing over the product lifespan.

Noise & Vibration Damping: Sponge rubber structure effectively absorbs sound and vibration to reduce noise transmission.

Custom Fit Profiles: Extruded based on customer drawings or samples to ensure a perfect fit for specific applications.

12 Months Warranty: Covers all quality problems under normal use with free replacement or compensation.

24-Hour Technical Support: Professional team available online to recommend suitable materials and structures for your environment.

Company profile

Xingtai Yinghua Rubber Machinery Manufacturing Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-07-08Nearest Port: tianjinAverage Response Time: ≤0.04hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP

AI-Powered supplier vetting

SummaryThe supplier identifies itself as a factory and reports broad customization, ODM, OEM for well-known brands, raw-material traceability, and 100% finished-product inspection. It has export experience, self-operated import/export rights, overseas installation and maintenance services, and stated production of approximately 20 production lines annually. Evidence also indicates more than 200 domestic and overseas rubber-enterprise customers. However, the supplier lacks written procedures or records for service assessment, corrective and preventive actions, and complaint handling; it also reports no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, and no available SDK. Certification evidence is limited to a company description referencing an ISO 2000 management system, without documentation or a clearly identified certification standard.

Supplier typeThe supplier explicitly identifies its company nature as a factory. Its description also presents production capacity and equipment-related manufacturing activities, supporting classification as a manufacturing supplier rather than only a trading or service entity.

R&D capabilityThe supplier reports new products within the past year, ODM service availability, and broad R&D design services. It does not have an available SDK, but the evidence still explicitly supports active product development and design capability.

Production capacityThe supplier reports lathe and drilling-machine facilities, in-stock capability, and annual production of about 20 production lines while serving more than 200 rubber enterprises. A deficiency is indicated by the absence of a valid manufacturing-capacity contract with related subcontractors, but the stated factory capacity and equipment support production capability overall.

Customization capabilityBoth R&D and design-service records list customization from samples, designs, minor customization, flexible customization, and full customization. This is explicit evidence of a broad customization offering.

Client casesThe supplier reports OEM service for well-known brands, serving more than 200 well-known rubber enterprises domestically and overseas, and exporting for 16 years with 51%–70% of sales from exports. These statements provide substantial customer and market-experience evidence, although individual customer names or documented case studies are not supplied.

Product Q&A

Q:What materials are used for these composite seals?

We mainly use EPDM solid + sponge rubber composite for standard products. We can also provide NBR (oil-resistant), silicone (high/low temperature resistant), and other custom compounds based on your requirements.

Q:Can you produce custom cross-section profiles?

Yes, we offer full OEM & ODM customization. We can extrude any composite profile according to your drawings or physical samples, with custom size, hardness, and length options.

Q:What is the temperature resistance range?

Standard EPDM composite: -40 degree Celsius to +120 degree Celsius Silicone composite: -50 degree Celsius to +180 degree Celsius Special grades are available upon request.

Q:What are the advantages of the solid-sponge composite design?

The combination provides: Structural stability from the solid rubber base Soft, uniform sealing pressure from the sponge section Enhanced noise reduction and vibration damping Excellent compression recovery

Q:Are these seals durable and long-lasting?

Yes. The EPDM material offers outstanding ozone, UV, and weather resistance, maintaining performance for years in outdoor and automotive applications. The composite design resists permanent deformation under repeated use.