Non-asbestos Jointing Sheet Coseal Type 2709

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Basis

Advanced chemical-resistant gasket material formulated with aramid fibre and inorganic fillers, bonded with a durable CSM (Chlorosulfonated Polyethylene) binder system.

Application

Premium acid-resistant jointing material specifically engineered for aggressive environments, including:
• Chemical Processing: Concentrated acids and alkalis
• Petrochemical Applications: Oils, fuels, and refrigerants
• Severe Service Conditions: High-corrosion environments

Area of Application

Suitable – Suitable when chemical compatibility is verified
Conditionally Suitable – Consultation recommended for marginal applications
Not Recommended – Installation prohibited without comprehensive technical assessment

 

 

Parameter Standard Coseal 2709 Units
Max. Peak Temperature 250 °C
Max Operating Temperature 195 °C
Max. Operating Pressure 60 bar
Density ASTM F 1315 1.70 – 1.9 g/cm³
Compressibility ASTM F 36 J 7 – 17.0 %
Recovery ASTM F 36 J ≥ 35.0 %
Tensile Strength ASTM F 152 ≥ 10.0 N/mm²
Thickness Increase
Nitric Acid (40%) ≤ 15.0 %
Sulphuric Acid (96%) ≤ 15.0 %
Sulphuric Acid (65%) ≤ 15.0 %
Colour White

 

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