Links: Technical Specification | Data Sheet 

Elcometer 135B Bresle Patches are used to determine surface chloride contamination and are self-adhesive rubber film patches with a sealed compartment for sampling soluble impurities from steel surfaces with a suitable solvent.

Elcometer Bresle Patches are also available as part of the Elcometer 138 Bresle Salt Kit.

Each pack contains 25 Bresle Patches.