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Polystyrene concrete blocks, tongue and groove, self-supporting

D-500 500х300х300mm.

Polystyrene concrete tongue-and-groove blocks are developed in compliance with the requirements of regulatory documents of the Republic of Uzbekistan, corresponding to the national standard O`zMSt338:2024 "Thermal insulation products made of polystyrene concrete. Technical conditions" and GOST 33929-2016 "Polystyrene concrete. Technical conditions".

Polystyrene concrete tongue-and-groove blocks are used for the construction of non-load-bearing external walls as frame filling, self-supporting walls when constructing the external enclosure of a multi-story building frame, and load-bearing complex walls for single-story buildings.

Polystyrene concrete tongue-and-groove blocks are non-toxic, do not pose a danger during storage, production and transportation. They also belong to the flame-retardant materials of flammability group A1 and flammability group B1.

Concrete class or grade	Strength index of products MPa, not less than
Concrete class or grade	For compression	Tensile strength under bending
B2/D500	2.9	0.70

Polystyrene concrete grade by average density

Polystyrene concrete grade	Frost resistance grade
D500	F150

Polystyrene concrete grade by average density

Polystyrene concrete grade	Thermal conductivity coefficient in dry state at temperature (25±5)°C, W/(m*K), not more than
D500	0.115

Forms and main dimensions of polystyrene concrete blocks

Product name	Main dimensions (mm)
	Length	Width	Thickness
Polystyrene concrete tongue-and-groove blocks D500, B2 F150	500±7	300±7	300±5

Note: By agreement with the consumer, production of products of other geometric dimensions is permitted.

Calculation coefficients

Density brand or grade	Calculation coefficients under operating conditions
Density brand or grade	Vapor permeability, (m2 h Pa)/mg
D500	0.085

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