Dimensions & Geometry Property Specification Tolerance Outer Height (H) 100 mm ±5% Width (W) 95 mm ±5% Bore (B) 60 × 48 mm ±10% Length 10,000 mm ±30 mm Weight (nominal) 8 kg/m ±10% 3. Material Properties Base Material: EPDM (Ethylene Propylene Diene Monomer), ASTM D2000 Type M. Hardness: 70–78 Shore A (Target 75) Tensile Strength: 7 MPa Elongation at Break: 250% Compression Set (22h @ 70°C): 35% Ozone Resistance (50 pphm, 40°C, 72h, 20% strain): No cracks Thermal Range: -40°C to +90°C (short-term +110°C) Density: 1.15–1.25 g/cm³ 4. Performance & Environmental Resistance • UV and ozone resistant with stabilizers. • Excellent seawater and weathering resistance. • Good resistance to dilute acids and alkalis. • Not recommended for oil or fuel exposure. 5. Finish & Color Color: Black Finish: Smooth extrusion skin UV stabilizers ( 30 phr carbon black).