Introduction
NINGBO SUNWELL SEALING MATERIALS CO.,LTD is one of the biggest sealing and heat preservation products manufacturers in China. SUNWELL is a professional manufacturer engaged in the research, development, production, sale and service of Metal Gaskets, Non-metallic Gaskets, Braided Packings, Compressed Gasket Sheets, Sealing Equipments, Insulation Products, Hydraulic Sealing products, etc.
SUNWELL is located in Cixi,Ningbo,China. And have convenient transportation access. Dedicated to strict quality control and thoughtful customer service. Our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. In recent years, our company has introduced a series of advanced equipment, including fully automatic spiraling machine, CNC machines, double jacketed machine, full range of sheeting machines. In addition, we have attained ISO9001:2008 certificate.
Description
O-rings are designed to be a seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. It is one of the most common seals used in machine design. They are inexpensive and easy to make, reliable, and have simple mounting requirements. They can seal thousands of psi pressure.
O Ring material explanation
Name |
NBR(R) |
SI(S) |
VITON(V) |
EPDM(E) |
CR(C) |
PTFE(T) |
PU |
ACR(A) |
The nature of resisting ozone |
X |
|
|
|
|
|
|
|
The nature of resisting heat |
|
|
|
|
|
|
|
|
The nature of resisting chemistry |
120°C |
250°C |
240°C |
150°C |
120°C |
280°C |
120°C |
150°C |
The nature of resisting oil |
|
|
|
|
|
|
|
X |
The nature of densify water |
|
X |
|
|
|
|
|
|
The nature of densify water |
-40°C |
-60°C |
-40°C |
-40°C |
-55°C |
-100°C |
-40°C |
-20°C |
The nature of resisting cold |
|
X |
|
|
|
|
|
|
The nature of resisting milling |
|
|
|
|
|
X |
X |
|
The nature of resisting distortion mechanical |
|
X |
|
|
|
|
|
|
The nature of resisting acidity |
|
|
|
|
|
|
|
X |
Tensile force intension |
|
X |
|
|
|
X |
|
|
The speciality of electric apparatus |
|
|
|
|
|
|
|
? |
The nature of resisting water and steam |
|
|
|
|
|
|
|
X |
The nature of resisting burning |
X |
|
|
X |
|
|
|
X |
The deposited time(year) |
5-10Y |
ABT 20Y |
ABT 20Y |
5-10Y |
5-10Y |
ABT 20Y |
ABT 20Y |
ABT 20Y |
Speciality Good Common X Worst |