Bresle method patches

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Select from 3 DeFelsko Bresle Method Patch Options

For use with the PosiTector SST


Reusable patch with Standard or Flexible magnetic ring

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DeFelsko Adhesive Patch
DeFelsko Adhesive Patch

Self-adhesive, polyurethane patches

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Latex Adhesive Patch
Latex Adhesive Patch

Latex patch with easy-open tabs and low-tack adhesive for easy removal

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Reusable patch with Standard or Flexible magnetic ring

For measuring salt contamination in accordance with ISO 8502-6,9
  • Magnetic ring attaches to steel with no residue to clean
    - Standard magnetic ring for flat surfaces and diameters > 1 m (40 in.)
    - Flexible magnetic ring for ID/OD diameters > 10 cm (4 in.)†
  • Automatic air removal through a watertight, air permeable membrane
  • No sharps, no needles! Safe, flexible dispensing tip mates with PosiPatch
  • Comparable price to latex patches
  • Reusable patent-pending PosiPatch saves time and money
  • Easy-to-use in any orientation
† Flexible magnetic ring minimum ID is 12 cm (4.5 in.)    

Certificate included

PosiPatch flex ring in usePosiPatch specification chart
The PosiPatch Advantage

Five PosiPatches are included with all PosiTector SST PosiPatch Kits. These kits include everything required to begin measuring with the innovative PosiPatch. While they are reusable, PosiPatches may eventually wear out or become dirty after extensive testing. Replacement PosiPatches are also available:

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PosiPatches (24) - for use with PosiTector SST PosiPatch Kits


PosiPatches (5) - for use with PosiTector SST PosiPatch Kits

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DeFelsko Adhesive Patch

  • For measuring salt contamination in accordance with ISO 8502-6,9
  • Low-tack adhesive for easy patch removal with no residue to clean
  • Works on nearly any material or surface geometry
  • Latex-free
  • Lower cost than latex patch
  • Easy-to-use in any orientation

Certificate included

DeFelsko Adhesive Patch specifications chart
Adhesive patch in use
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DeFelsko Adhesive Patches (25)


Latex Adhesive Patch

ISO 8502-6 conforming latex patch with easy-open tab and low-tack adhesive with TearGuard™ technology.

TearGuard Layer
Low-tack adhesive with TearGuard™ technology for easy patch removal
with no residue to clean
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Latex Adhesive Patches (25)




What is the difference between the DeFelsko and Latex patches?

The DeFelsko Adhesive Patch is similar to conventional Bresle Method patches and features a low-tack adhesive, making it easy to remove with no residue to clean. It is latex-free, and therefore significantly less expensive than conventional patches.

For users who require a patch with latex construction (which can expand to a 15 ml sample size), we offer the DeFelsko Latex Patch. It also features a low-tack adhesive and TearGuard™ technology for easy patch removal that leaves no residue to clean. Additionally, it features an easy-to-remove tab on the paper backing.

How many times can the PosiPatch be reused?

One of the many innovative features of the PosiPatch is its ability to be reused multiple times by rinsing with DI water between tests. The PosiPatch can be used repeatedly until water begins to leak through the air‐permeable membrane or the seal against the substrate. In our tests on freshly blasted steel with a typical 50‐100 micron (2‐ 4 mil) profile, PosiPatches were reused dozens of times with no noticeable wear or leakage. Patch life will vary depending on use ‐ if dragged along the substrate, lifespan will be reduced. We believe that 10 uses is a very conservative estimate of lifespan and still yields the lowest per‐test cost of any commercially available Bresle Method Patch.

Can the PosiPatch be used on vertical or inverted surfaces?

Yes. The PosiPatch is ideal for use in any orientation.  When used on vertical surfaces, position the injection port at the 6 o’clock position before attaching the ring to the surface and insert the dispensing tip only as far as is needed to see the tip inside the PosiPatch.

Can the PosiPatch be used on rough, blasted, or pitted surfaces?

Yes! The flexible PosiPatch is designed for multiple uses on typical rough surfaces and maintains its watertight seal for a simple, leak-free test.

Can the PosiPatch be used on curved surfaces?

Yes. The Bresle Method PosiPatch is ideal for measuring on flat and curved surfaces.

  • The Standard Magnetic Ring is included in all PosiPatch Kits and is the first choice for flat surfaces and curved surfaces with diameters greater than 100 cm (40 in.).
  • Like the Standard Magnetic ring, the available Flexible Magnetic Ring leaves no messy adhesive residue to clean. Intended for use on pipes and other tightly-radiused surfaces, it allows the PosiPatch to form a tight, leak-free seal on outside diameters greater than 10 cm (4 inches) and inside diameters greater than 12 cm (4.5 inches).