Durlon 9645 combines compressible PTFE surfaces with a rigid core. Its controlled microporous structure ensures dependable sealing even under low bolt loads.
Our Quebec facility manufactures custom-cut flat gaskets to your exact specifications. VAMECA can also evaluate the supply of this part number or engineer a suitable replacement.
AT A GLANCE
Microcellular PTFE
Product Family
PTFE
Material Composition
Microcellular PTFE + rigid PTFE core
Maximum temperature and pressure limits cannot be applied simultaneously.
TEMPERATURE
Min. -260 °C · Catalog Max. 260 °C
PRESSURE
60 bar (catalogue maximum, verify according to P/T rating)
THICKNESSES
1.5 / 2.0 / 2.5 / 3.0 mm
Applications and Key Features
The manufacturer highlights its suitability for fragile, glass-lined, or pitted, scratched, and irregular flange surfaces, as well as aggressive chemical media.
Published Testing and Approvals
Standards, Testing, and Certification References
Applicable Approvals: FDA, TA-Luft
PART NUMBER ANALYSIS
KEY COMPARISON CRITERIA
Durlon 9645 differs from homogeneous expanded PTFE like Durlon 9600 and filled PTFE such as 9200: its layered construction combines surface conformability with the mechanical integrity of a rigid core.
Need this gasket, custom cutting, or a replacement?
Part Number: Durlon 9645
Please provide the part number, thickness, dimensions, quantity, and process fluid. We will review material availability for the specified grade, custom cutting at our Quebec facility, or an engineered alternative tailored to your assembly.
The manufacturer's latest datasheets, certifications, and P/T curves must be reviewed prior to ordering or substitution.
Compressible materials engineered for fragile or irregular flanges, offering distinct rigid core, microstructural, and expansion characteristics. Available configurations include: GYLON 3545 (microcellular PTFE with a rigid core), GYLON 3540 (microcellular PTFE), and soft-chem (expanded PTFE).