Environmental Impacts on the Strength Parameters of Mineral-Acrylic (PMMA/ATH) Facade Panels

Table 1

Basic physicomechanical parameters of the acrylic-mineral (PMMA/ATH) panels.

Feature	Declared value
Volume density (kg/m^2)	1680–1175
Water absorption by weight (%)	0-1
Flexural strength (MPa)	57,1–74,0
Modulus of elasticity (MPa)	8040–9220
Coefficient of thermal expansion (l/K)	2,0–3,7 10^−5