Astm E2109-01 Pdf
ASTM E2109-01 provides standardized procedures for determining the area percentage porosity in thermal sprayed coatings (TSCs)
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Who Uses This Standard?
- Flooring Manufacturers: To test new coatings, vinyl, linoleum, rubber, and other floor covering materials.
- Quality Control Labs: To ensure batch-to-batch consistency in stain resistance.
- Architects and Specifiers: To select appropriate flooring for high-traffic or spill-prone areas (hospitals, schools, laboratories).
- Cleaning Product Developers: To compare the cleanability of different flooring surfaces.
8. Limitations of E2109-01
- Not suitable for very soft PSAs (e.g., gel adhesives) that creep excessively before failure.
- Does not account for cyclic or dynamic loads.
- Does not predict failure under humidity or chemical exposure directly (requires separate conditioning).
- The standard was reapproved in 2012 but not updated to 2023 version; some users now reference ASTM D3654/D3654M-22.
References: ASTM E2109-01. (2001). Standard Test Methods for Evaluating the Luminous Reflectance and Color of Surfaces by Use of a Spectrophotometer. American Society for Testing and Materials. some users now reference ASTM D3654/D3654M-22.
Method A (Manual Direct Comparison): Uses a set of seven standard reference images representing different porosity levels (ranging from 0.5% to 15%) for visual comparison against a prepared specimen. 8. Limitations of E2109-01
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