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