Explore Technical Features of EPDM RUBBER SHEETS

Technical Parameters of EPDM RUBBER SHEETS - General Properties

Polymer Type: EPDM (Ethylene Propylene Diene Monomer)

Color: Black (standard), available in red/white/other colors on request

Finish: Smooth or cloth-marked surface

Hardness: 40 – 90 Shore A (commonly 60 ± 5 Shore A)

Specific Gravity: 1.15 – 1.30 g/cm³

Tensile Strength: 7 – 15 MPa

Elongation at Break: 250% – 500%

Tear Resistance: ≥ 15 N/mm

Compression Set: ≤ 30%

🔹 Temperature Resistance

Working Temperature Range: –40 °C to +120 °C (continuous)

Short-term Resistance: Up to +150 °C

Brittle Point: ≤ –50 °C

🔹 Chemical & Weather Resistance

Ozone Resistance: Excellent (non-cracking)

UV Resistance: Excellent

Weathering Resistance: Excellent (long outdoor life)

Water Resistance: Excellent

Acid & Alkali Resistance: Good

Oil & Fuel Resistance: Poor to moderate (not suitable for petroleum oils)

🔹 Electrical Properties

Dielectric Strength: ~ 10–20 kV/mm

Volume Resistivity: 10¹⁴ Ω·cm (good electrical insulator)

🔹 Available Forms

Thickness Range: 1 mm – 50 mm

Width: up to 1.5 m / 2 m (rolls or sheets)

Length: Standard rolls (10 m – 20 m) or customized cut sizes

Reinforcement: Available with fabric insertion (cotton/nylon) for high-pressure applications

✅ Key Advantages:

Excellent weather, ozone, and aging resistance

Superior flexibility at low and high temperatures

Ideal for outdoor, roofing, pond lining, and chemical sealing applications.