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Dupont Kalrez & Chemraz

Dupont-Kalrez O-Ring

Dupont-Kalrez O-Ring

Dupont-Kalrez 1050L F shore A 82 ℃ 288 It is the most suitable material of Amino compound, hot water and general chemicals resistance, heat resistance is also very good. 2035 shore A 85 ℃ 220 ...

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  • Dupont-Kalrez O-Ring
  • Dupont-Kalrez O-Ring
  • Dupont-Kalrez O-Ring
  • Dupont-Kalrez O-Ring
Dupont-Kalrez 
 


 
1050L F
shore A 82
℃ 288
 
It is the most suitable material of Amino compound, hot water and general chemicals resistance, heat resistance is also very good.
 

 
2035
shore A 85
℃ 220
 
It suits the environment of below 200 ℃ hot water. water vapor,and Amino compound,It is the most suitable material of the Chemicals which include Ethylene oxide, propylene oxide ring structure.
 

 
3018
shore A 91
℃ 288
 
It is the highest hardness material, it is the most suitable material of Styrene monomer, butadiene and other chemicals
 

 
4079
shore A 75
℃ 316
 
It has excellent chemical resistance, When used at high temperature, it has excellent compression and deformation characteristic. But pay special attention to the application of amino compounds, on the thermal cycle circumstances, the temperature should below 280 ℃
 

 
6375
shore A 75
℃ 275
 
It has the most extensive chemical resistance properties, it can be used the environment of
many chemical mediators coexistence, 260 ℃ hot water and steam is the best
 

 
7075
shore A 75
℃ 327
 
7075 is a new product on the basis of the 4079, compare with 4079, 7075's compression and deformation rate is smaller, sealing ability is better, it
can be used in 327 ℃ high temperature environment.
 
Note: 
Other specialty or custom compounds may be available or developed to applications that require different properties than the above compounds offer: 8375, 8385, 8101, 4001
Consideration from the reliability and stability of product performance, our company selects perfluorocarbon rubber FFKM is the United States Dupont's Kalrez.

DuPont Original Kalrez O-ring 
 
Application of Dupont-Kalrez 



 
1. Semiconductor
Chemical Vapor Deposition(CVD)and ETCH Equipment
Heat treatment(RTP and Thermal Dissipation)Equipment
PCB Equipment


 
2. Petrochemical and Chemical
Pump (Mechanical Seal) ,valve,Blender,Reactor,Flange
Analytical Instrument and Process Control Equipment
Tank and Storage Tank


 
3. Oil and Gas Production
Packer and it's sealing parts
Safety valve and Electrical submersible pump
Logging tools


 
4. Pharmaceuticals and Food
Grinder Centrifuge
Pump (Mechanical Seal) ,valve,Blender,Reactor
Bottler

Salient performance/Quality assurance:
1. Perfluoro (ether) rubber is invented by DuPont, DuPont is creator of it
2. Kalrez is the only product which the time of application is more than 30 years, it is proved a long-term reliable and secure product in a variety of harsh sealing conditions
3. Kalrez is the only product which from rubber to finished product all controled by DuPont,so ensures that the long-term stability of using of each product .
4. Traceability: Each individually wrapped, has a unique bar code, every single product can be traced back to any information 
5. High temperature, high pressure. The maximum temperature can reach 327 ℃ heat resistance
6. Chemical property is stable, resistance to hydrogen sulfide, benzene, oil, strong acid and alkali, the kinds of chemical medium are more than 1600.
7. Excellent tensile strength (TS~15-20MPa)
8. Extremely low compression permanent deformation(~20%-70h◎200℃)
9. Excellent sustained sealing ability
 
The type of Kalrez O-RING:
Japanese Industrial Standard: JIS (P/G/V/S/NW)
American National Standards Institute: AS-568A
European standard : K
 
 

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