Met-L-Chek® WLF-71 - Fluorescent Liquid Dye Additive
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Met-L-Chek® WLF-71 - Fluorescent Liquid Dye Additive

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Overview

assignmentTechnical Data Sheet

WLF-71 is a liquid dye additive which dissolves in water making the water fluoresce under UV-A ( ultra violet) light. This dye additive is commonly used to help locate leaks in large storage tanks but can also be used to locate leaks in small water reservoirs such as radiators. In practice, it is dissolved in the water in the tank, and then suspected areas of leakage, such as riveted or welded seams, are examined on the exterior of the tank, using a UV-A light. Any place where the water has leaked through the tank will show up as a fluorescent wet spot.

APPLICATIONS

  • Locating leaks in large storage tanks
  • Locating leaks in small water reservoirs such as radiators

NDT Material Classification

TEST METHOD

Water Leak Finder

TYPE

Fluorescent: Type 1

Properties
  • Form: Fluorescent yellow/orange green liquid, no sediment
  • The water fluorescent brightness is a function of the concentration of the WLF-71.
  • Generally it is used between 1 gallon to 10,000 gallons of water (0.1 cc/L), and 1 gallon to 70 gallons of water (14 cc/L).
Usage
  • In practice, it is dissolved in the water in the tank, and then suspected areas of leakage, such as riveted or welded seams, are examined on the exterior of the tank, using a UV-A light
  • Used to help locate leaks in large storage tanks
  • Used to locate leaks in small water reservoirs such as radiators
  • Any place where the water has leaked through the tank will show up as a fluorescent wet spot
Product Disclaimer
BEFORE USING ANY OF THESE PRODUCTS, YOU MUST BECOME COMPLETELY FAMILIAR WITH THE INFORMATION CONTAINED IN MCGEAN’S SAFETY DATA SHEETS.

MCGEAN’S FULL PRODUCT DISCLAIMER CAN BE FOUND HERE
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Met-L-Chek® WLF-71 - Fluorescent Liquid Dye Additive

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