AF300 Y Grade Non-Asbestos Gasket – IBC Type | 1.5mm | 10' to 24' |Medium-Duty Sealing for Water, Steam & Oil

AF300 Non-Asbestos Gasket – IBC Type | 1.5mm | Medium-Duty Sealing for Water, Steam & Oils
Brand: Corseal AF300 (Economy Grade)
Type: IBC (Inside Bolt Circle)
Thicknesses Available: 1.5mm
Flange Ratings: ASA 150, ASA 300, PN16
Price: Listed per gasket
Specification Sheet: Specification Sheet 

AF300 Non-Asbestos Sheeting is Corseal’s own-brand, medium-duty gasket material, offering dependable performance in general industrial and utility sealing applications. Manufactured with a natural rubber content, the material remains highly flexible, ensuring excellent conformance to uneven or imperfect flange surfaces.

✅ Key Features:

• Flexible, form-adaptive material for uneven or aged flanges

• Economical option with strong performance across a wide range of industrial media

• Natural rubber-based, non-asbestos composition

🌡️ Temperature & Pressure Ratings:

• Maximum Continuous Temperature: 250°C

• Maximum Continuous Temperature (Steam): 200°C

• Peak Temperature: 300°C

• Allowable Pressure: Up to 55 bar

🧪 Technical Specifications:

• Density (±5%): 2.0 g/cm³

• Tensile Resistance (cross-fibre, min): 8 MPa

• Compressibility (at 35 MPa / 20°C): 5–15%

• Elastic Recovery (min): 40%

• Thickness Increase (Immersion Tests):

  • In distilled water: 2%

  • In Model Oil No.3 (150°C / 5h): Max 9%

  • In Model Fuel B (20°C / 5h): Max 9%

🧰 Suitable Media:

• Water and steam

• Natural gas, technical propane-butane

• Weak acids, alkalis, and salt solutions

• Oils and fuels (with aromatic hydrocarbon content up to 2%)

• Brake and cooling fluids

🔧 Recommended Applications:

• Heating & power systems

• Municipal utilities

• Steam, oil, and water pipelines

• General-purpose sealing across medium-duty industrial processes