Flexitallic SF 2500 is an acid-resistant compressed sheet material manufactured by calendering organic and inorganic fibres with a specially formulated synthetic elastomer binder. The safety data sheet identifies aramid and mineral fillers, while the manufacturer maintains the detailed chemical formulation of the binder as proprietary.
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
Aramid and Blends
Product Family
Compressed Fibre
Material Composition
Aramid fibres and mineral fillers bonded with a synthetic rubber compound specifically engineered for acid applications
Maximum temperature and pressure limits cannot be applied simultaneously.
TEMPERATURE
Catalogue max. 200 °C, not rated for simultaneous maximum pressure
PRESSURE
Rated up to 60 bar (catalogue max.); pressure and maximum temperature ratings cannot be combined
THICKNESSES
0.75 to 3 mm (PDS132 Rev3)
Applications and Key Features
Data sheet PDS132 recommends this material for select mineral acids, specifically concentrated sulphuric and hydrochloric acids. It also specifies nitric acid up to 50% at 65°C. These guidelines do not constitute universal approval and require verification of the process media, concentration, and thermal cycles.
Published Testing and Approvals
Standards, Testing, and Certification References
ASTM F36 and F152 test data referenced in PDS132. No broad acid service certification is claimed.
PART NUMBER ANALYSIS
KEY COMPARISON CRITERIA
The key difference compared to PTFE lies in its synthetic elastomer binder and fibrous composition. For aggressive acid service, evaluate chemical resistance, concentration, bolt torque specifications, and safety requirements before requesting a quote.
Need this gasket, custom cutting, or a replacement?
Part Number: Flexitallic SF 2500
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.
SF 2500 combines aramid and mineral fillers with an elastomeric binder engineered for acid service. Among the related specification sheets, LATTYgold 5 ACID utilizes synthetic fibres, TEADIT NA1085 features a CSM binder, and KLINGER top-chem 2000 uses silicon carbide-filled PTFE. For replacement applications, evaluate media compatibility, concentration levels, and bolt loading conditions.
REFERENCE SHEET
TEADIT
Aramid fibres, CSM rubber binder (chlorosulfonated polyethylene)