Polystyrene concrete heat insulation items

 

Class or grade of polystyrene concrete by compression strength Strength indicators of items, МРа at least
For compression For stretching upon bending
М2/D250 0.21 0.08
М2.5/D250 0.27 0.1
М3.5/D250 0.45 0.15
В0.35/D250 0.50 0.25
В0.5/D300 0.73 0.35
В0.75/D400 1.09 0.50

 

Grade of polystyrene concrete by average density Heat conductivity ratio in dry condition under temperature of (25±5)°С,

W/ (m*К), not exceeding

D250 0.075
D300 0.085
D350 0.095
D400 0.105

 

Forms and Major Dimensions of Polystyrene Concrete Tiles:

in millimeters

Name of product Major dimensions
Length, L Width, B Thickness, H
Polystyrene concrete heat insulation items D250- D250, M2-В0.75 600±7 400±7 60±5

Note – Upon concurrence of volumes with consumer, output of items of different geometrical dimensions is allowed.

Estimated ratios:

 

Grade by density

Estimated ratios in operating conditions

Vapor permeability,

(m2·h·Pa)/mg

250

0,110

300

0,100

350

0,090

400

0,085

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