The Elcometer 135A & 135B Bresle Patches are used to determine surface chloride contamination.

The Elcometer 135A Bresle Sampler is a self-adhesive rubber film patch with a sealed compartment for sampling of soluble impurities from steel surfaces with a suitable solvent. The Elcometer 135A Bresle Samplers are also part of the Elcometer 138/2 Surface Contamination Kit.

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.