.

PTFE Seal

Polytetrafluoroethylene (PTFE), also known as teflon/teflon or plastic king, is a copolymer of tetrafluoroethylene monomer. First, it was developed for national defense and cutting-edge technology and development but later it has gradually extended to civil use, which is generally applied to corrosion-resistant pipes, containers, pumps, high frequency communication equipment and wireless electrical equipment with high performance requirements.

PTFE sealhas become the common seal material for its unique properties.

Performance of PTFE Seal

Stability: almost all chemical resistance, strong acid, strong alkali or strong oxidizer and organic solvents have no effect on it.

Thermal stability: pyrolysis temperature above 400 ℃, therefore, it can work within the scope o - 200 ℃ ~ + 350 ℃.

Wear resistance: the friction coefficient of PTFE material is extremely low, only 0.02, which is 1/40 of rubber.

Self-lubricating: the surface of the PTFE material has a prominent self-lubricating property, and almost all of the viscous material cannot adhere to its surface.

Selection of PTFE Seal Material

However, the pure PTFE has the low strength and the abrasion performance is not very perfect. Usually some inorganic particles are put into the polymer PTFE, such as graphite, molybdenum disulfide, molybdenum disulfide, aluminium oxide, glass fiber, carbon fiber and so on to improve its mechanical properties. It also can be used with other polymers, such as polystyrene resin (PHB), polyphenylene sulfide (PPS), polyether ether ketone (PEEK), poly (perfluorinated (ethylene/propylene copolymer (PFEP) blending method to extend its damping temperature range and improve the creep resistance. Therefore, different PTFE materialas produce all knids of PTFE mechanical seals.

properties

unit

pure PTFE

glass fibire filled PTFE

carbon filled PTFE

density

g/cm3

tensile strength

MPa

30

15

13

260

260

260

If you want to know more about high pressure mechanical seal, please contact us.

More information about Sealcon, please visit our website.



Send product request

To: Hangzhou Sealcon Fluid Machinery Co., Ltd
Your E-mail:
Message text:


Send to other suppliers

Other supplier products

ELASTOMER RUBBER BELLOW MECHANICAL SEALS
ELASTOMER RUBBER BELLOW MECHANICAL SEALS Types of Elastomer Bellow Mechanical Seals Designed by single or double, Hangzhou SEALCON supply standard and OEM elastomer bellows sealto suit di...
Flygt Mechanical Seals FBU-28
Flygt Mechanical Seals FBU-28 Replacement for: FBU-28 upper parts for flygt 3101pump Features: Original Sweden design Big stock Wilo pumps ITT pumps Flygt Pump Model of...
Stainless Steel Seal
Stainless Steel Seal Stainless Steel is short for stainless acid resistant steel. It is called Stainless Steel with weak corrosive medium or Stainless Steel, such as ai...
Metal Bellow Mechanical Seals
Metal Bellow Mechanical Seals Metal Bellow seals are ideal for high temperature applications and harsh chemical services where elastomers cannot be used effectively. This seal t...
Double Cartridge Mechanical Seals
Double Cartridge Mechanical Seals Cartridge mechanical seal is the rotary ring, stationary ring, spring, auxiliary seal, bushings, glands, Gasket and static seal, total 7 components...
All supplier products

Same products

Seal
Seal Seller: Taizhou Jiasheng Rubber & Plastic Co., Ltd. Natural disasters, political instability, or economic downturns can disrupt the supply of raw...
Silicon Carbide Pump Seals Silicon Carbide Bearings For Canned Motor Pump
Silicon Carbide Pump Seals Silicon Carbide Bearings For Canned Motor Pump Seller: Zhejiang Guanyu Sealing Parts Co., Ltd. Silicon carbide pump seals products Corrosion Resistance: The silicone material is highly resist...
DOUBLE CARTRIDGE MECHANICAL SEALS
DOUBLE CARTRIDGE MECHANICAL SEALS Seller: Hangzhou Sealcon Fluid Machinery Co., Ltd The double cartridge mechanical sealis a pre-assembled package of seal components, which make the...
TC Seal
TC Seal Seller: Hangzhou Sealcon Fluid Machinery Co., Ltd TC materials have features of high hardness, strength, abrasion resistance and corrosion resistan...
Stainless Steel Seal
Stainless Steel Seal Seller: Hangzhou Sealcon Fluid Machinery Co., Ltd Stainless Steel is short for stainless acid resistant steel. It is called Stainless Steel with we...