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.

Where are these U-channel seals commonly used?

They are widely used in automotive door frames, construction window trim, industrial equipment enclosures, and marine applications.

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 production lead time?

Mass production lead time is 10-20 working days, depending on order quantity and profile complexity.

Do you provide warranty?

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

High-Quality Solid & Foam Co-Extruded Composite EPDM Sealing Strip for Windows and Doors

Name: High-Quality Solid & Foam Co-Extruded Composite EPDM Sealing Strip for Windows and Doors
Brand: Xingtai Yinghua Rubber Machinery Manufacturing Co., Ltd.
SKU: 2178037232

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

US$3.80

50-99 Meters

US$2.80

100-999 Meters

US$1.50

1,000-4,999 Meters

US$0.60

5,000+ Meters

Sample price:US$0.00/meter.Request sample

Product profile

Customization

Available

Material

EPDM Solid + Sponge Composite

Usage

Automobile, Machinery, Doors & Windows

Model NO.

Special-shaped Rubber Strip

Type

Solid + Sponge Composite

Sectional Shape

U-Shape

Performance

Wear

Vulcanization

Continuous Vulcanization

Standard

Standard, Nonstandard

Fits Edge Thickness

0.5-10mm

Width

10-50mm

Hardness of Solid Base

55-65 Shore a

Hardness of Sponge Lip

25-35 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: Combines solid rubber base for strength with sponge lip for flexible sealing.

Secure Clip-On Installation: U-shaped base provides tight friction-fit grip without needing adhesives.

Excellent Weather Resistance: EPDM material resists ozone, UV, and extreme temperatures from -40 to +120C.

Custom Fit Profiles: Extruded to match exact edge thickness, shape, and sealing requirements.

Multi-Functional Protection: Seals against water, dust, and noise while protecting edges from damage.

Flexible & Durable: Resists cracking and deformation under repeated use in extreme conditions.

Custom Colors Available: Standard black color with OEM color matching options for specific needs.

12 Months Warranty: Free replacement or compensation for quality problems under normal use.

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 U-channel 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 profiles for specific edge thicknesses?

Yes, we offer full OEM & ODM customization. We can extrude U-channel profiles to fit your exact edge thickness, shape, and sealing requirements based on your drawings or samples.

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:How do these seals install?

They feature a clip-on design that simply presses onto the edge of metal, glass, or plastic parts, providing a secure fit without the need for adhesives.

Q:What are the advantages of the U-channel design?

The design offers: Secure, no-adhesive installation Edge protection against scratches and corrosion Effective sealing against water, dust, and noise Durable performance under repeated use