Hollow Silicone Core PTFE Encapsulated O Ring Large Cross Section for Static Sealing

Name: Hollow Silicone Core PTFE Encapsulated O Ring Large Cross Section for Static Sealing
Brand: Liuzhou Pinmo Sealing Sci-Tech Co., Ltd.
SKU: 1943705752

Guangxi, ChinaLiuzhou Pinmo Sealing Sci-Tech Co., Ltd.

US$1.00

10-99 Pieces

US$0.10

100-999 Pieces

US$0.001

1,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Material

FKM

Application

Pumps

Model NO.

Coated O Ring

Type

Rotary Seal

Performance

Corrosion

Shape

O-Ring

Standard

Standard, Nonstandard

1

Silicone O Ring

2

FKM O Ring

3

Encapsulated O Ring

4

FEP O Ring

5

PFA O Ring

6

Chemical Resistant O Ring

7

High Temperature O Ring

8

Custom O Ring

9

Static Seal

10

Dynamic Seal

11

Industrial Seal

12

Ffkm O Ring Alternative

13

Anti Corrosion Seal

14

Low Friction O Ring

15

Gas Permeability Resistant O Ring

Transport Package

Carton

Specification

Standard or custom sizes

Trademark

Pinmo

Origin

China

HS Code

4016931000

Production Capacity

100000 PCS / Week

Key features

Chemical Resistance: PTFE jacket resists virtually all chemicals except alkali metals and fluorine.

Low Friction: Coefficient of friction is 0.1 to 0.2, ensuring minimal wear and smooth operation.

Cost-Effective Alternative: Excellent alternative to expensive FFKM O-rings with comparable performance.

FDA Compliant: PFA jacketing available for food and beverage processing applications.

Customization: Custom sizes and specialty materials available upon request.

Quality Certified: ISO9001 and ISO14001 certified by SGS since 2015.

Versatile Design: Available in solid-core and hollow silicone-core for static and dynamic sealing.

Company profile

Liuzhou Pinmo Sealing Sci-Tech Co., Ltd.

Guangxi, China

Business Type: Manufacturer/FactoryExport Year: 2017-02-03Nearest Port: Shenzhen, GuangzhouAverage Response Time: ≤1.00hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryLiuzhou Pinmo Sealing Sci-Tech Co., Ltd. presents broad manufacturing and technical-service capabilities, including OEM for recognized brands, ODM services, product customization, and stated experience across multiple international markets. Its management certifications include TS 16949, ISO 14001, ISO 9001, and SA 8000. The supplier reports inventory capability, standardized finished-product inspection instructions, and lead times within 15 working days in both peak and off-peak periods. However, evidence is incomplete regarding after-sales support, financial strength, customer references, and contract status. The supplier lacks an SDK, overseas warehouses, overseas showrooms, overseas agents or branches, and reported participation in offline trade shows. It also reported no regular fire drills during the past year.

Supplier typeThe stated business scope covers technical services, technology development and transfer, seals, plastic and rubber products, mechanical parts, glass-fiber-reinforced plastic products, and auto parts. The supplier also describes a factory, broad product range, and worldwide industry service, indicating a manufacturer with technical-service capabilities rather than a narrowly focused trading profile.

CertificationsThe supplier reports holding TS 16949, ISO 14001, ISO 9001, and SA 8000 certifications. These explicitly indicate coverage of automotive quality management, environmental management, quality management, and social accountability systems.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has R&D engineers with total experience in the stated 6–10 range. However, it reports no available SDK, so its innovation support is demonstrated through product development and ODM rather than software-development integration.

Production capacityThe supplier reports inventory capability, finished-product inspection instructions that are uniformly followed, annual output information of 10,000,000 sets, and lead times within 15 working days in both peak and off-peak seasons. Its manufacturing capacity is therefore explicitly supported, although the manufacturing-contract status is unknown.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and minor customization. It also reports ODM service availability, providing direct evidence of multiple customization routes.

Product Q&A

Q:What exactly is a PTFE encapsulated O-ring, and how does it outperform standard rubber O-rings?

A PTFE encapsulated O-ring consists of a resilient rubber core (Silicone or FKM) completely encased in a seamless, uniform jacket of PTFE FEP or PTFE PFA. This hybrid design solves the main weaknesses of standard rubber O-ringspoor chemical resistance, high gas permeability, and easy wearwhile also overcoming the poor elasticity of solid PTFE O-rings. You get the outstanding chemical inertness and low friction (0.10.2) of PTFE combined with the consistent, elastic sealing force of rubber.

Q:What are the operating temperature limits, and should I choose an FEP or PFA jacket?

The continuous working temperature range depends on the jacket material:FEP Jacket: -60C to 205C (can be used for short periods up to 260C).PFA Jacket: -60C to 260C (short-term use up to 300C).Choose PFA when your application demands superior high-temperature performance. Please note that the Silicone or FKM rubber core underneath retains its excellent elasticity up to 205C, resisting hardening and brittleness within this range. For extreme conditions, feel free to contact our engineering team.

Q:Can these encapsulated O-rings be used in dynamic sealing applications, and what core options are available?

Yes, solid-core PTFE encapsulated O-rings are widely applied in both dynamic and static sealing situations. For static-only applications where a softer, lower compression force is needed, we also supply hollow Silicone-core O-rings with a larger cross-section. You can select a Silicone (VMQ) core for broad temperature flexibility or an FKM core for enhanced resistance to specific chemicals and high temperatures. All configurations maintain uniform compression and can be reinstalled repeatedly ev