How can I check the quality of a bulk order?

We provide preproduction samples, quality certs (measurement report, material data sheet, COO, COA), and accept third-party inspections like SGS or TUV.

How do you select the raw compound for my application?

With years of experience, we help select the best material for your needs while considering material costs.

Do you use international standards for rubber products?

Yes, we mainly use ASTM D2000 for quality definition, with tolerances per ISO3302 and ISO2768.

Can you supply different color materials?

Yes, we can produce custom molded rubber and silicone products in different colors; a color code is required for orders.

What materials are available for production?

We produce NBR, EPDM, Silicone, FKM, Neoprene (CR), NR, IIR, SBR, ACM, AEM, and Fluorosilicone (FVMQ).

Custom EPDM Silicone PTFE Rubber Diaphragm for Chemical Valves

Name: Custom EPDM Silicone PTFE Rubber Diaphragm for Chemical Valves
Brand: Xiamen Best Seal Imp. and Exp. Co., Ltd.
SKU: 2081869392

Fujian, ChinaXiamen Best Seal Imp. and Exp. Co., Ltd.

US$0.01-0.09

100 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Product Name

Rubber Diaphragm

Compound Material

Meet ASTM D2000, Can Be Rosh, Reach Compliance

Hardness

From 20 ~ 90 Shore a

Color

as Per Request

Size

Customize Size

Package

PE Bag, Carton

Sample

Sample Avaliable

Advantage

Smooth Surface with Small Parting Line

Transport Package

PE+Carton

Specification

1*1*1

Trademark

Origin

China

Key features

Custom Material Selection: Available in NBR, EPDM, Silicone, FKM, CR, and other compounds meeting ASTM D2000, RoHS, and REACH.

Fabric Reinforcement: Diaphragms feature fabric lining for enhanced resistance to creep, bending, and high-pressure applications.

Customizable Dimensions: Size and hardness (20-90 Shore A) can be customized based on specific customer drawings or 3D models.

100% Quality Testing: Every unit undergoes water leakage testing and visual inspection before shipment.

Precision Manufacturing: Features smooth surfaces, evenly distributed rubber cover, and precisely located holes.

Extensive Certifications: ISO9001 certified with materials approved by KTW, W270, WRAS, ACS, AS4020, EN681, EN549, ROHS, and REACH.

OEM/ODM Capability: Full customization services available including design development, sample creation, and flexible production.

Company profile

Importers and ExportersManagement CertificationHigh Repeat Buyers ChoiceFull Customization

Xiamen Best Seal Imp. and Exp. Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤3.44h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Xiamen, with a business scope covering mold sales, mold manufacturing, professional design services, material research and development, and related product sales. It offers multiple forms of customization, ODM, and OEM services, and reports 12 years of export experience. Quality procedures are documented and uniformly followed, and ISO9001:2015 certification is reported. However, the supplier is not classified as a professional technical supplier, does not provide 3D software design services or SDKs, reported no new products in the past year, and lacks stated inventory, overseas warehouse, overseas branch or agent, showroom, and valid manufacturing-capacity contracts with affiliated subcontractors. Production equipment improvements are described, but manufacturing capacity is not fully verified. Financial records are referenced for 2022–2024, without sufficient performance details for a financial assessment. Customer-related evidence is limited to OEM...

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a quality-management certification, although no additional certification details or certificate scope are provided.

After-Sales capabilityThe supplier reports no in-stock service capacity, overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service countries. These limitations indicate weak documented overseas service infrastructure, although the slices do not directly describe warranty or complaint-handling procedures.

R&D capabilityThe supplier does not have an available SDK, is not classified as a professional technical supplier, and reported no new products in the past year. It does provide ODM services and describes investment in advanced automated machinery, but the available evidence does not establish strong product or technology innovation capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad customization capability, although 3D software design services are not provided.