Perfluoroether O-ring

Perfluoroether O-rings are currently the best performing rubber seals, known for their meticulous chemical resistance, high temperature resistance (based on actual reports), and high cleanliness, designed specifically for extreme working conditions.

1、 Core Materials and Structures

Material: Perfluoroether rubber

Structure: The main chain and side chains are completely fluorinated (containing only C, F, O), without C-H bonds, forming high chemical inertness.

Comparison: The performance is between * * ordinary fluororubber (FKM) and polytetrafluoroethylene (PTFE) * *, combining the corrosion resistance of PTFE (based on actual reports) with the elasticity of rubber.

2、 Key performance advantages

Exquisite chemical resistance (craftsmanship)

Can tolerate over 1600 types of chemicals: strong acids (concentrated sulfuric acid, nitric acid), strong bases, strong oxidants, ketones, ethers, esters, amines, plasmas, etc.

Almost no swelling, no brittleness, and no pollution of the medium.

Ultra wide temperature resistance range

Long term: -25 ° C~+320 ° C

Short term: up to 327 ° C~343 ° C

Low temperature: up to -55 ° C in many regions

Low permeability and high cleanliness

The gas permeability is relatively low and has good leak prevention ability.

Low precipitation and low gas release, meeting high-purity requirements for semiconductors, pharmaceuticals, and other industries.

Excellent sealing stability

Low deformation rate after long-term compression (at 300 ° C); lt;50%）， Excellent long-term sealing under high temperature and high pressure.

3、 Main application industries

Semiconductor manufacturing: etching, CVD, CMP equipment, resistant to fluorine and chlorine plasma.

Chemical/Petrochemical: reaction vessels, valves, pumps, sealed with strong acid and corrosive solvents.

Aerospace: engines, hydraulic/fuel systems, high temperature resistant (based on actual reports) aviation kerosene.

Pharmaceutical/Biological: High clean fluids, raw material synthesis equipment.

Energy: LNG, acidic oil and gas fields, nuclear power systems.