Astm D523 Pdf New -

If you sell to North American automotive or coatings markets, you need ASTM D523. If you sell globally (especially Europe), you may need both. The new ASTM D523 PDF includes a non-mandatory appendix comparing the two.

| Feature | ASTM D523 (New) | ISO 2813 | | :--- | :--- | :--- | | Geometry | 20°, 60°, 85° | Same | | Reference Standard | Polished black glass | Polished black glass (n=1.567) | | Calibration interval | Before each use | Daily or as required | | Reporting units | Gloss Units (GU) | GU | | Statistical basis | ASTM E691 | ISO 5725 | astm d523 pdf new

The standard utilizes three specific angles to capture light reflection precisely across different surface types: Application Gloss Range (at 60°) If you sell to North American automotive or

The PDF finally cracked open on the screen. ASTM D523 – Standard Test Method for Specular Gloss. | Feature | ASTM D523 (New) | ISO