Impulse uses either Cork Liners or Neoprene Liners.


Cork Liners (393-527) are used in the following standards:

  • ASTM 3512
  • JIS L 1076 Method D
  • EN ISO 12945-3
  • DIN 53867
  • SANS 6116
  • GB/T 4802.4
  • NF G 07-132


Neoprene Liners (758-566) are used in the following standards:

  • EN ISO 12945-3
  • NF G 07-121


Cork Liners are supplied ready to use.

Neoprene Liners need to be washed with a detergent solution and then run in before using for testing.  

This procedure can be found in detail within EN ISO 12945-3.


A PDF version of this FAQ is available for reference.