Surface Cleanliness

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Surface Cleanliness

A clean surface is key for the successful performance of a coating.

During the initial surface preparation, in addition to brushing or grinding, a coated surface can be blasted, high pressure water-jetted or simply washed down. In many cases, the abrasive media or water is recycled. In these instances, it is important that the level of contaminants in the recycled material is carefully monitored to avoid the re-contamination of the surface being cleaned.

 

Elcometer 138 Bresle Salt Kit

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It is essential that the level of contaminants on a surface is measured prior to application of the coating to ensure the quality of the coating and that its optimum lifetime is achieved.

If the coating is applied to a contaminated surface, which is not properly prepared, it could fail prematurely resulting in costly re-coating and high maintenance costs.

The Elcometer 138 Bresle Kit includes the Elcometer 138 Conductivity Meter. This lightweight, portable conductivity meter accurately measures the salinity of the test samples.

The cartridge type sensor can be easily replaced when necessary and displays conductivity (µS/cm and mS/cm) and salinity (%) on the digital display.

Features of the meter include indication of stability of reading indication.

Packing List:
Box of 25 Bresle patches, Elcometer 138 Conductivity Meter, 14ml (0.5fl oz) bottle of standard 1.41 mS/cm calibration solution, 14ml (0.5fl oz) bottle of moistening solution, 250ml (8.5fl oz) bottle of pure water, 3 x 5ml (0.1fl oz) syringes, 3 x blunt needles, 30ml (1fl oz) plastic beaker,  2 x CR2032 lithium batteries, carry case and operating instructions

 

Elcometer 138/2 Surface Contamination Kit

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The Elcometer 138/2 Surface Contamination Kit provides the means for testing invisible surface contaminants:

  • pH
  • chloride ions
  • iron
  • salts

KIT CONTENTS

E135—-A Bresle Sampler (Box of 50)
T13818517 3 x 5ml (0.1fl oz) Syringes
T13818518 3 x Needles
T13818519 Plastic Beaker, 30ml (1fl oz)
T13820562 100 x pH Test Strips
T13820563 100 x Iron Test Strips
T13820564 40 x Chloride Test Strips

 

Elcometer 135A Bresle Sampler

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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.

 

Elcometer 134S Chloride Ion Test Kit for Surfaces

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Chloride salts left on the surface before the first coat is applied can result in the coating system being forced off the surface by corrosion or blistering before the full life of the coating has been reached.

To ensure that the chloride has been removed it is essential that the surface is tested before the coating is applied.

Elcometer 134S test method: a latex sleeve is filled with a Chlor*Rid extract solution and stuck to the test surface where the solution is worked against the surface to extract the salts.  The titration tube is inserted and the results can be recorded.

 

Elcometer 142 ISO 8502-3 Dust Tape Test Kit

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The Elcometer 142 Dust Tape Test kit allows assessment of the quantity and size of dust particles on surfaces prepared for painting. Dust on blast cleaned surfaces can reduce coating adhesion, leading to premature coating failure and sub-standard coating finish.

Used in conjunction with the Elcometer 145 Dust Tape Roller the kit can be used in accordance with the recommendations of BS EN ISO 8502-3 either as a pass/fail test or as a permanent record of the presence of dust. Supplied in a carry case for use in the field to assess surface cleanliness.