Warren NDT Flexible, Semi-Rigid, Rigid Film Holder

Warren NDT Flexible, Semi-Rigid, Rigid Film Holder

Determines Presence of Alkali-Silica Reactive Gel in Hardened Concrete

James Instruments, Inc. ASR-Detect

Simple Colored Dye Field Test to Detect Alkali Silica Reaction (ASR)

Field Test to identify Alkali Silica Reaction (ASR) in concrete. Two reagents are applied to the broken surface of a concrete core and the excess rinsed off. On contaminated concrete, the resultant stains reveal the presence of ASR. The stains also reveal the extent of the ASR in the concrete and indicate the stage of ASR progression. Yellow indicates that degradation has begun; pink warns that degradation is advancing.

Applications
ASR Detect™ is both a practical and scientific tool. Its principal application is analyzing existing concrete structures. By identifying ASR deterioration in its earliest stages, ASR Detect™ facilitates the problem being identified when remediation techniques can be applied; for example, treating the concrete with a lithium-bearing solution to inhibit further deterioration. Where deterioration is advanced, ASR Detect provides a clear picture of the extent and depth of the damage.

As a scientific tool, ASR Detect™ can be applied to improving the understanding of where, how and why ASR occurs. That understanding is basic to developing ASR preventatives that allow high-alkali cements or poor-quality aggregates to be used in concrete mixes without risking the development of ASR.

Features & Benefits

  • Test can be carried out completely on site.
  • Minimal operator training and no special equipment required.
  • Utilizes only two environmentally safe dyes.
  • Identifies ASR in concrete and differentiates ASR from other causes of degradation.
  • Results obtained in less than five minutes are easy to interpret.
  • Economic, fast and easy to use.

Specifications

Test Kit - ASR 3000

  • One 60 ML Bottle of yellow reagent
  • One 60 ML Bottle of pink reagent
  • One 250 ML Bottle of distilled water
  • Two dispensing pipettes
  • One pair of protective gloves
  • One pair of protective goggles
  • One apron
  • Carrying case
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Warren NDT Flexible, Semi-Rigid and Rigid Film Holders RT-WA-1001
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