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, TUV, INTERTEK, BV, etc.

How do you select the raw compound for my application?

With years of experience, we help select the material that best suits your needs while keeping material costs in mind.

Do you use international standards for rubber products?

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

Can you supply different color materials?

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

What materials are available for production?

Available materials include NBR, EPDM, SILICONE, FKM, NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, and Fluorosilicone(FVMQ).

High-Performance Silicone Rubber Diaphragm for Reliable Valve Operation

Name: High-Performance Silicone Rubber Diaphragm for Reliable Valve Operation
Brand: Xiamen Best Seal Imp. and Exp. Co., Ltd.
SKU: 2210141845

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

Material

Silicone Rubber

Application

Machinery, Industrial Component, Electronic Product, Vehicle, Household Appliance

Model NO.

per customer

Effect

Fixture&Sealing

Cross-Section Shape

Description

Rubber Molded Parts

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

Lead Time

8 Days for Sample, 12~18 Days for Mass Production

Advantage

Smooth Surface with Small Parting Line

Transport Package

PE+Carton

Specification

1*1*1

Trademark

Origin

China

Key features

Long Service Life: Continuous working time exceeds 10,000 hours with excellent fatigue resistance.

Customizable Hardness: Hardness adjustable from 20 to 90 Shore A based on specific customer requirements.

Comprehensive Certifications: ISO9001 certified with materials approved by KTW, W270, WRAS, ACS, ROHS, and REACH.

Low Noise Operation: Designed with good elasticity and flexibility for quiet performance.

High Precision Manufacturing: Smooth surface finish with minimal parting lines for optimal sealing.

Fast Sample Delivery: Sample lead time is 8 days for quick prototyping and testing.

OEM/ODM Support: Full customization available from samples, designs, or flexible minor adjustments.

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: ≤3.72h

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 are the payment terms?

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

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

Average lead times for prototype or first article are 7-10 days. If tooling is involved, production tooling takes 10 days, and average production time after sample approval is 2-3 weeks.

Q:What is your standard packing method?

All goods are packed by carton box and loaded with pallets. Special packing methods can be accepted when needed.

Q:What is your monthly production capacity?

Capacity depends on the model, but we produce more than 1500 tons of rubber materials per month.

Q:What certificates do you have?

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