PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
What is an FEP seal and what are its applications?
Classification:
Industry dynamics
Author:
PFA tube little sister
Source:
Dankai
Release time:
2022-09-23
Visits:
FEP sealing ring is also called: FEP/PFA coated fluorine rubber O-ring, coated O-ring.
As the medical industry introduces more and more chemicals and durable applications, parts and seals need to be designed more rigorously than ever to deal with harsh
of the environment.The O-ring rubber seal is easy to customize and durable, so it can be used in many sealing applications.
Medical seals are commonly used in a variety of devices, including respiratory devices, drug delivery devices, pumps, fluid delivery devices, and the like. In order to make these applications trouble-free operation.
line, it is necessary to select the appropriate sealing ring size, shape and material. The following isThe benefits of O-shaped rubber seals for the medical industry: O-shaped rubber seals have various
With the continuous development of technology in the medical industry, many devices have become more sophisticated and complex than ever before. With the reduction of medical applications, all support
Parts need to be matched.
Some miniature seals can even be installed on very small medical equipment. Great support for the medical industry.
The medical grade rubber seal ring can ensure the safe use of patients. It has been engineered and tested to ensure that the rubber material can be regarded as medical grade. Because medical seals are usually
It is in direct contact with the human body, so it is necessary to test the biocompatibility of the medical sealing ring, which means that the sealing ring material will not react with other materials or human tissue.Should.
Figure 1:FEP sealing ring source: Dankai
The material of the medical grade sealing ring is selected to reduce the risk of improving patient safety. Select the material to have strong chemical resistance, excellent heat resistance and low permeability to gas
Therefore, it is safe and durable for any medical application.
In medical applications, it is important that the sealing ring plays a big role to ensure that there is no leakage, rupture or failure. This is why material selection is designed for medicalO
The key step of type rubber sealing ring.
double layer tetrafluoro coatedO-ring material:
CladdingO-ring is also called fluorine-coated o-ring or coated O-Ring. It is a relatively thick inner core made of silicone rubber or fluorine rubber and other materials.
PTFE/FEP/PFA and other outer covering materials combination of seals, the product is a combination of O-ring rubber material elasticity and sealing, but also a combination of polytetrafluoroethylene
Chemical resistance of alkene, FEP, PFA and other materials, with youxiu sealing performance. Our company can open mold processing according to the drawings, samples, specifications and materials provided by customers.
Custom coated o-rings of various colors and shapes.
Figure II:FEP sealing ring source: Dankai
Key features:
It has excellent chemical resistance, corrosion resistance, high temperature resistance and wear resistance, and can be applied to almost all chemical media, such as strong oxidation and strong reducing solvents, strong acid and alkali resistance.
The corrosive nature of such solvents is very strong; the applicable temperature range is very wide, from minus200 ℃ to 260 ℃ above zero; Compression resistance is very good, greater than or equal to 30%; Anti-friction coefficient
Low, only between 0.1~0.2; Has good resistance to swelling ≤ 0.1; Extremely resistant to high pressure, can reach 60Mpa; Has good sealing continuity, can increase 5 times
Above the service life.
Hardness Description:
Coating of different materialsThe average hardness of the O-ring is as follows:
Hollow Silicone Rubber:75-80
Solid Silicone Rubber:85-90
solid fluorine rubber:90-95
Application areas:
CladdingO-rings are currently mainly used in pumps, valves, reaction vessels, mechanical seals, filters, pressure vessels, radiators, boilers, pipeline flanges, gas compressors, etc.
related equipment. The main application industries include organic beds, ships, automobiles, aircraft manufacturing, petrochemicals, oil refining, refrigeration engineering, food processing industry, pharmaceutical engineering, papermaking
Industry, construction machinery, construction machinery, instrumentation, etc.
This article is originally created by Teflon's little sister. Welcome to pay attention and take you to grow knowledge together!
Key words:
Fep, sealing ring, medical, application, rubber, corrosion resistant, high temperature resistant, abrasion resistant
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