Compositional Analysis of Coatings

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Coating materials are formulated to possess certain compositional properties that are important for application, curing, and performance. These properties are often tested to establish baseline values, in the event that field sampling and analysis of the coatings is invoked by the specification. In this manner, a facility owner can be assured that the product shipped to the project site is the same in composition to that which was originally tested and qualified for use.

KTA’s staff of chemists performs compositional properties analysis (individual components and/or mixed components) according to standard ASTM procedures, including:

  • Fourier Transform Infrared Spectroscopy
  • Volatile Organic Compound (VOC) Content
  • EPA Exempt Solvent Analysis
  • Water, percent by mass
  • Isocyanate Group Content
  • Total solids, percent by mass
  • Pigment, percent by mass
  • Metallic zinc content, percent by mass in primer
  • Total solids, percent by volume
  • Mass per volume in grams/liter
  • Viscosity – Stormer and Brookfield
  • Sag resistance
  • Dry Time
  • Others
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Why Use KTA for Compositional Analysis of Coatings?

Coating manufacturers formulate coatings to provide protection of the underlying substrate or underlying coating layers, as well as aesthetics. They also conduct quality control testing of manufactured batches to verify the coatings have been prepared according to the formulation. Frequently however, the manufacturer’s stated values for compositional properties are theoretical (based on the formulation) and not based on actual values generated using industry recognized standard test procedures. This can result in application and/or performance differences. KTA performs testing in strict accordance with ASTM or other standardized test methods. This testing provides owners and contractors with peace-of-mind that the coating materials can be successfully applied in the shop/field, and will cure and perform as expected in the service environment.

KTA’s Compositional Analysis Services Will Help Answer the Following:

  • What properties are most important for application, curing and performance?
  • How can I be assured that the coating materials delivered to the project site are of the same quality as those originally tested?
  • How do I decide which tests are most applicable or important?
  • How do I know that the coating products are being tested according to recognized industry standards?