Research Article
Analysis of the Relationship between Density and Mechanical Strength of Lightened Gypsums: Proposal for a Coefficient of Lightening
Table 2
Lightening coefficients of selected lightened gypsums.
| Compounds complying with lightweight gypsum regulation | | |
| E0.8 | 0.25 | 0.12 | Y0.8 | 0.30 | 0.17 |
| E0.8 + 1% EPS | 0.31 | 0.20 | E0.8 + 1% XPS | 0.34 | 0.21 | E0.8 + 2% EPS | 0.35 | 0.26 | E0.8 + 2% XPS | 0.31 | 0.16 | E0.8 + 1% EPS/XPS | 0.32 | 0.24 | E0.8 + 1.5% EPS + 0.5% XPS | 0.33 | 0.23 | E0.8 + 0.5% EPS + 1.5% XPS | 0.30 | 0.18 | E0.8 + 2.0% EPS + 0.5% XPS | 0.32 | 0.20 | E0.8 + 1.0% EPS + 1.5% XPS | 0.33 | 0.17 | E0.8 + 1.0% EPS + 2.0% XPS | 0.30 | 0.15 | E0.8 + 2.0% EPS + 1.0% XPS | 0.31 | 0.19 | E0.8 + 2.0% EPS + 2.0% XPS | 0.34 | 0.20 |
| Y0.8 + 1% EPS | 0.36 | 0.28 | Y0.8 + 1% XPS | 0.49 | 0.32 | Y0.8 + 2% XPS | 0.44 | 0.30 | E0.8 + 1% EPS/XPS | 0.39 | 0.30 | Y0.8 + 0.5% EPS + 1.5% XPS | 0.40 | 0.27 | Y0.8 + 2.0% EPS + 0.5% XPS | 0.45 | 0.27 | Y0.8 + 1.0% EPS + 1.5% XPS | 0.42 | 0.27 | Y0.8 + 1.0% EPS + 2.0% XPS | 0.48 | 0.33 |
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