Specification series and scope of application:
Type 651, Type 652, Type 653, Type 654, Type 655, Type 831, Type 861, Flat Type.
They are respectively used for small and medium-sized concrete dams and workshops, tunnels, culverts, open channels, culverts, small structures, slurry stops, large and medium-sized concrete dams, gate dams, gravity dams, concrete dams, and face dam rockfill dams.
Technical performance parameters:
|
Project name |
Unit |
Performance index |
|
Hardness |
Shore A |
70±5 |
|
Tensile strength |
MPA |
≥12 |
|
Elongation at break |
% |
≥300 |
|
Tensile strength |
MPA |
≥5.5 |
|
Brittle temperature |
°C |
＜-38 |
|
Water absorption |
% |
＜0.5 |
|
Hot air aging coefficient (70±1°C, 240 hours) |
% |
≥95 |
|
Alkali effect coefficient (20% lye, NaOH or KON) |
|
≥95 |
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