| Class or grade of polystyrene concrete by compression strength | Strength indicators of items, МРа at least | |
| For compression | For stretching upon bending | |
| В0.5/D300 | 0.73 | 0.35 |
| Grade of polystyrene concrete by average density | Grade by frost-resistance |
| D300 | F35 |
| Grade of polystyrene concrete by average density | Heat conductivity ratio in dry condition under temperature of (25±5)°С,
W/ (m*К), not exceeding |
| D300 | 0.085 |
Forms and Major Dimensions of Polystyrene Concrete interlocking blocks:
in millimeters
| Name of product | Major dimensions | ||
| Length, L | Width, B | Thickness, H | |
| Heat-insulation polystyrene concrete blocks D300, B0.5, F35 | 600±7 | 600±7 | 150±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 |
||
| D300 | 0.100 |