<span>Escorts Grade F05/KNAF </span> (CBB for Freight Stock & Container Flat Wagons)

Escorts Grade F05/KNAF (CBB for Freight Stock & Container Flat Wagons)

Escorts Grade F05/KNAF (CBB for Freight Stock & Container Flat Wagons)

Escorts grade F05/KNAF is a Non Asbestos composite brake block for railway application.

It is a rigid hot process moulded in dark grey color having synthetic, minerals & organic fibers with highly thermally stable “Novalac” Phenolic powder resin as a binder in composition matrix to meet the strength & performance in terms of friction & wear properties.

This product meets the requirements of UIC specification on the Dynamometer.



    Application
  • This product is suitable for Freight stock & Container flat wagons for speed up to 120 KMPH.
    Technical Data
  • Average mean coefficient of friction (Dry & Wet) – : 0.28μ
    Typical Physical properties
  • Density (Gm/cc) : 1.90 – 2.10
  • Hardness (HRX) : 85 – 105
  • Cross Breaking Strength (Kg/cm2) Min. : 180
  • Back Plate pull of strength (Ton) Min. : 4.0
  • Compression Modulus (N/mm2) : 1200 - 3000
  • Classification as per UIC Specification : K-Type High friction
  • Average Coefficient of friction : 0.18 -0.33μ
    Recommended operating range
  • Maximum temperature : 400° C
  • Maximum Operating temperature : 300° C
  • Maximum Brake Shoe Force : 4.0 Tons
    Typical Chemical Properties
  • Acetone Extract Max. : 3.0 %
  • Loss on Ignition Max : 40 %
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