How to check the quality of the bulk order?

We provide preproduction samples before mass production for all customers if needed. We provide quality certs such as measurement report, material data sheet, COO, COA, etc. to all customers before delivery. We accept third party inspection such as SGS, TUV, INTERTEK, BV, etc.

How to select the raw compound for my application?

With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.

Do you use any international standards for the rubber products?

Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.

Can you supply different color materials?

Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.

What materials are available to produce from your side?

NBR, EPDM, SILICONE, FKM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ)

Rubber Brake Chamber Diaphragm Rubber Diaphragm Pump Air Pump Rubber Diaphragm

Name: Rubber Brake Chamber Diaphragm Rubber Diaphragm Pump Air Pump Rubber Diaphragm
Brand: Xiamen Best Seal Imp. and Exp. Co., Ltd.
SKU: 2178323475

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

US$0.10-0.90

100 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

Pump Casing

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

Per drawing

Trademark

Origin

China

HS Code

4016939000

Production Capacity

More Than 50, 000, 000PCS/Month

Key features

Customized Material Options: Available in NBR, EPDM, Silicone, CR, FKM, and other compounds meeting ASTM D2000, ROHS, and REACH.

Fabric Reinforcement: Features single-layer nylon fabric lining for enhanced resistance to creep, bending, and tensile stress.

Customized Color and Size: Color and size can be customized according to specific customer requirements and drawings.

100% Quality Testing: All products undergo water leakage testing and 100% visual inspection before shipment.

High Pressure Capability: Designed to work under high pressure with smooth surfaces and evenly distributed rubber covers.

Wide Industry Application: Suitable for chemical, medical, food machinery, and automation equipment with high reliability.

OEM and ODM Services: Full customization available from samples, designs, or 3D drawings with flexible customization options.

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: ≤7.02h

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.

Product Q&A

Q:What is the payment term?

We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight, West Union, VISA, Paypal is also accepted.

Q:What is the normal lead time for product orders?

Average lead times for prototype / first article are 7~10 days, if tooling is involved, lead time for production tooling is 10 days, average production time after sample approval is 2-3 weeks.

Q:What is your standard packing?

All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.

Q:What is the month capacity of your products?

It depends on which model, we produce more than 1500 tons rubber materials per month.

Q:What kind of certificates do you have?

We have been ISO9001:2008 certified by SGS since 2019. We have various rubber compounds approved by KTW, W270, WRAS, ACS, AS4020, EN681, EN549, ROHS and REACH.