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QUALITY BUCKLES

 

   

The buckle is of enormous importance in the quality of the strapping. 

 

The faster and greater the disortion of the buckle, the fastetr the strapping breaks.



European Directive:

  • tensile strength of strapping with buckle = 30-50% of the tensile strength without buckle

     

USA Norm ASTM 3950 D- series: (to ASTM 3950)

  • tensile strength of strapping with buckle = 56% of the tensile strength without buckle

 

       

 

  Galvanized

 

 

  Profiled

 

 

  Sherardized

 

 

  Plastic

             

 

Quality Buckles:

  • steel tensile strength
  • toughness of steel because of possible tears in the corners of the buckle
  • adhesion of the zinc layer
  • flatness of the buckle surface
  • crossing disortion
  • no burrs on the strapping contact surfaces
  • sloping leg = tensile side
  • angle of sloping leg must be loose enough to prevent scissoring
  • correct type of buckle with the right strapping

 

 

Capacity Ratio Standard Buckles

 

 

  • Galvanized        = 100%

 

  • Profiled             = 130%

 

  • Sherardised       = 150% 

  

T. +31224274010      F.  +31224274020      E.  info@veltkamp-group.com

  
 

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