Does the product have chemical resistance?

Yes, PTFE is recognized as the most chemically resistant plastic, unaffected by most corrosive substances.

What certifications does the product have?

The product holds CE certification.

Heavy-Duty White PTFE Gasket for Reliable Flange Sealing Performance

Name: Heavy-Duty White PTFE Gasket for Reliable Flange Sealing Performance
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2082384142

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

Negotiable

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic

Application

Pumps

Model NO.

PTFE gasket

Type

Stationary Seal

Performance

Corrosion

Shape

O-Ring

Standard

Standard, Nonstandard

Color

White

Temperature

260 Degree

with Rib or Not

Both Ok

Gasket Shape

Round or Others

Transport Package

Wooden Carton

Specification

DN10 ~ DN2000

Trademark

OEM

Origin

China

HS Code

3926909090

Production Capacity

10000000 Per Year

Key features

100% Virgin PTFE Material: Crafted from pure resin without prior shaping for superior purity and performance.

Exceptional Chemical Resistance: Unaffected by most corrosive liquids, vapors, and gases, ensuring longevity.

Full Customization Options: Supports customization from samples, designs, and flexible minor adjustments.

Superior Insulation Properties: Offers high dielectric strength and thermal insulation in virgin PTFE form.

Low Friction Coefficient: Features one of the lowest solid-state friction coefficients for smooth performance.

Hydrophobic and Non-wetting: Naturally repels water and water-based substances while remaining odorless.

High Tensile Strength: Provides robust mechanical integrity with tensile strength up to 15.0 Mpa.

Company profile

Fast DeliveryOEM ServicesQuality AssuranceQA/QC Inspectors

Ningbo Dongheng Sealing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier manufactures industrial sealing products, including spiral wound gaskets, PTFE tape, and PTFE gaskets, from a 4,500 m² facility with three production lines. It offers extensive customization, 3D design, ODM, and OEM services, and reports new products within the past year. Quality-related evidence includes CE certification, ISO 9001:2015 certification, quality assurance, and documented corrective and preventive action procedures. However, complaint handling lacks written records, supplier approval documentation is incomplete, and the factory does not continuously reconcile production quantities or maintain standard outsourcing procedures. The supplier has inventory capability and valid contracts with affiliated subcontractors, but no overseas warehouse, showroom, agents, branches, or overseas service locations. Export activity is reported, with 31%–40% of sales from exports and four years of export experience. Customer evidence includes a 50%–80% repeat-buyer preference, but no Fortune 500...

Supplier typeThe supplier is a manufacturing-oriented industrial equipment and components provider producing spiral wound gaskets, PTFE tape, and PTFE gaskets. It has a 4,500 m² manufacturing plant, three production lines, inventory capability, and valid contracts with affiliated subcontractors, while lacking overseas warehouses, showrooms, agents, and branches.

CertificationsThe supplier reports CE product compliance certification and an ISO 9001:2015 management-system certificate. It also states that quality assurance is present in its quality-control processes, providing explicit certification and quality-system evidence.

R&D capabilityThe supplier provides 3D software design, ODM, and OEM services and reports new products within the past year. It has one R&D engineer and no available SDK, indicating some development capability but limited evidence of broader technical resources.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, flexible customization, and 3D software design services. This establishes broad customization coverage across both design-based and sample-based requirements.