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Railway Brake Blocks

Railway Brake Blocks
1. Technical data:
Coefficient of friction: 0.14 - 0.27
Specific gravity: 1.6 - 2.4g/c 3
Shear strength: 2,500 - 5,500N/c 3
Cross breaking strength: 480 - 1,500N/c 2
Thermal conductivity: 0.12 - 0.6W. m° C
Specific heat: 0.25 - 0.98 joule/g° C
Hardness: 80 - 105 (rockwell R)
Operational temperature: 250 (for continue operation) to 500° C
2. Other technical specifications:
Three elements are very important
Reinforced fiber
Organic and inorganic filter
Resin bound
Material not mixed with: asbestos, lead (Ld), zinc (Zn), mix chromium (Cr)
Do not mix it with any toxic and hazardous material
Color: black

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