Material Specifications
SWR is an asbestos-free composite material woven from finely carded yarns with brass wire. It is dense and tough, exhibiting resistance to heat and compression under load. It is suitable for heavy applications such as winches, cranes, and ships. The material is not affected by minor oil, water, or grease contamination.

Friction Properties
- Static Friction Coefficient at 15 bar (from box): 0.55±0.05 μ
- Static Friction Coefficient at 15 bar, 100ºC: 0.50±0.05 μ
- Dynamic Friction Coefficient at 79N, 7m/s: 0.55±0.05 μ
- Wear Rate: Refer to charts
- Temperature Fading: >250 °C
- Temperature Fading at 100N, 11.5m/s: 288±10 °C

Physical Properties
- Hardness (DIN53505): 65±5 Shore-D
- Specific Gravity (ASTM D792): 1.61±0.05 gr/cm³

Mechanical Properties
- Tensile Strength (ASTM D638): 246 N/mm²
- Compressive Strength (ISO 844:2014): 63 N/mm²
- Ultimate Shear Strength (ASTM D732): 443 N/mm²

Recommended Working Values
- Maximum Continuous Operation Temperature: 235 °C
- Maximum Intermittent Operation Temperature: 288 °C
- Maximum Pressure: 14 Bar
- Maximum Rubbing Speed: 152 m/s

Available Dimensions
- Width: 30 to 330 mm
- Thickness: 5 to 19 mm
- Roll Length: 10 or 5 meters