| Product code | 
    Technical 
      Data | 
    Product 
      Construction/Design | 
  
    | Friction cover | 
    Traction layer | 
    Reverse cover | 
  
    | Thickness [mm] | 
    Pulley diameter (minimum) 
    [mm] | 
    Tensile force for 1% 
      elongation (k1% after running in) [N/mm] | 
    Material | 
    Surface structure | 
    Color | 
    Material | 
    Material | 
    Surface structure | 
    Color | 
  
    | HS-5 | 
    0.62 | 
    15 | 
    2.5 | 
    Acrylonitrile-Butadiene-Rubber (NBR) as 
      friction cover (pulley/cylinder side) | 
    Sand finish | 
    Green | 
    Polyamide (PA) fabric | 
    Polyamide (PA)/Cotton (CO) fabric as 
      friction cover (whirl side) | 
    Fabric | 
    Tan | 
  
    | HS-55 | 
    0.85 | 
    15 | 
    4 | 
    Acrylonitrile-Butadiene-Rubber (NBR) as 
      friction cover (pulley/cylinder side) | 
    Sand finish | 
    Green | 
    Polyamide (PA) foil | 
    Polyamide (PA)/Cotton (CO) fabric as 
      friction cover (whirl side) | 
    Fabric | 
    Beige | 
  
    | TS-5 | 
    0.55 | 
    15 | 
    2.5 | 
    Acrylonitrile-Butadiene-Rubber (NBR) | 
    Sand finish | 
    Green | 
    Polyamide (PA) fabric | 
    Polyamide (PA)/cellulose (CEL) fabric | 
    Fabric | 
    Yellow | 
  
    | TS-55 | 
    0.85 | 
    25 | 
    4 | 
    Acrylonitrile-Butadiene-Rubber (NBR) as 
      friction cover (pulley/cylinder side) | 
    Sand finish | 
    Green | 
    Polyamide (PA) foil | 
    Polyamide (PA)/Cotton (CO) fabric as 
      friction cover (whirl side) | 
    Fabric | 
    Yellow |