Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance

Product Details
Material: PTFE
Application: Bearing
Performance: Wear
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  • Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
  • Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
  • Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
  • Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
  • Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
  • Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
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  • Overview
  • Product Description
  • Product Application
  • Company Profile
  • Our Advantages
  • Certifications
  • Packaging & Shipping
  • FAQ
Overview

Basic Info.

Model NO.
PTFE Gasket
Shape
O-Ring
Standard
Standard, Nonstandard
Tensile Strength
≥15MPa
Apparent Density
2.10~2.30g/cm3
Hardness
Shore D 60-65
Pressure Resistance
up to 15 MPa
Thickness
Customizable (e.g., 1mm, 2mm)
Recovery Rate
≥ 50%
Transport Package
Wooden Box
Specification
PTFE
Trademark
CHUNHUAN
Origin
China
HS Code
39209910
Production Capacity
500000piece/Month

Packaging & Delivery

Package Size
50.00cm * 50.00cm * 30.00cm
Package Gross Weight
30.000kg

Product Description

Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
Product Description

PTFE Gaskets are high-performance sealing materials made from expanded polytetrafluoroethylene (ePTFE), offering exceptional flexibility and sealing capabilities. Their unique microporous structure enables superior sealing under low stress while maintaining high chemical and temperature resistance. Suitable for extreme temperature environments, ePTFE gaskets operate from -240°C to +260°C and resist corrosion from most acids, alkalis, and solvents. Additionally, their low density (0.4-0.8 g/cm³) and lightweight design make them ideal for various industrial applications.

Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance

 

Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
As a versatile sealing solution, Expanded PTFE Gaskets not only provide exceptional sealing performance but also offer excellent aging resistance and durability. Their low friction coefficient and self-lubricating properties reduce installation and maintenance challenges while extending service life. Whether used for static or dynamic sealing, ePTFE gaskets deliver reliable performance to meet demanding industrial requirements. Their eco-friendly and recyclable nature also aligns with modern sustainability goals.

 

 Outside Diameter Inside Diameter Thickness
1-7/8''(48mm) 1/2''(12.7mm)

0.04''(1.02mm)       1/15''(1.6mm)        3/16''(4.8mm)        1/4''(6.4mm)
2-1/4''(57mm) 3/4''(19mm)
2-5/8''(67mm) 1''(25.4mm)
3-3/8''(86mm) 1-1/2''(38mm)
4-1/8''(105mm) 2''(51mm)
5-3/8''(136.5mm) 3''(76mm)
6-7/8''(175mm) 4''(102mm)
8-3/4''(222mm) 6''(152mm)
11''(279mm) 8''(203mm)
 
Product Application

 
 
 
 
 
Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
Company Profile
 
Precision Machined PTFE Seals for Pumps Valves with Chemical ResistanceChunhuan Group (Zhenjiang Chunhuan Sealing Group Co., Ltd.), established in 1985, is a leading manufacturer of fluoroplastic products, chemical semiconductor linings, and new energy sealing gaskets. The company primarily focuses on the research, development, and production of fluoroplastic series sealing products (for hydrogen energy and nuclear power applications) and chemical semiconductor linings. With subsidiaries in South Korea and Sanghai, the group has also established a joint venture with South Korea's Houcheng Group for semiconductor lining equipment. Main  production:PTFE  products,metal  seals  series,steel  lining  anti-corrosion  series, engineering plastics series,rubber products series,it is the leading enterprise in the national fluoroplastics  industry.The  company  supplies  more  than  300  varieties  of  PTFE  composite modified   materials,ranging   from    standard   composite    modified   materials    (bronze,glass fiber,carbon,graphite,etc.)to  customized  solutions  to  meet  different  production  needs  of customers.The  company  provides  flexible  quantity  and  fast  delivery  service.The  engineers have 35 years working experience in the field of PTFE,serving customers in more than 30 countries.
Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
Our Advantages
Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
Certifications
Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
Packaging & Shipping
Precision Machined PTFE Seals for Pumps Valves with Chemical Resistance
FAQ
1.Q: How to distinguish pure PTFE from filled PTFE sheets?
   A: Pure PTFE is white without additives (labeled "Virgin PTFE"); filled types specify additives and may appear gray/off-white.
 

2. Q: Are the products certified with international standards ?
   A: Pure PTFE complies with FDA . Filled types depend on formulations.  

3. Q:  Can I request samples?
   A: Free 20×20cm samples are provided (shipping cost paid by buyer).  

4. Q: What is the lead time for custom sizes/thickness?  
   A: Standard sizes ship in 7 days; custom orders take 15-30 days (based on complexity).  

5. Q: How to verify chemical resistance data?
   A: Third-party test reports.  

6. Q: What is the packaging ?  
   A: With wooden crates, suitable for sea/air freight.  

7. Q: Will harmful substances be released ?  
   A: Pure PTFE is stable up to 250ºC; filled types require additive verification.  

8. Q: Can you deburr sheet edges or provide precision machining?  
   A: Standard sheets are rough-cut; CNC finishing (±0.1mm tolerance) is available at additional cost.  

9. Q: What if the product fails performance tests after delivery?  
    A: Disputes within 15 days require third-party test reports. Confirmed issues trigger free replacement or refund.

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