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By certification 
ULTRA HIGH STRENGTH NON SHRINKAGE GROUTING MATERIAL
CGM-T80 ULTRA HIGH STRENGTH NON SHRINKAGE GROUTING MATERIAL is composted with special cement, selected admixtures and aggregates and additives of high fluidity, micro-expansion, anti-segregation materials. The product has characters of high strength, No shrinkage, micro-expansion, self-flow and vibration-free, non-toxic, harmless, non-aging, no pollution to water quality and surrounding environment, good self-tightness, anti-rust and so on.
Item |
Executive Standard / Product Specifications |
|||
JC/T986-(2005)2012 |
GB/T50448-2015 |
CGM-T90 |
||
Compressive strength |
1d |
≥22 |
≥20 |
≥45 |
3d |
≥40 |
≥40 |
≥70 |
|
28d |
≥70 |
≥60 |
≥100 |
|
Flexural strength(Enterprise standard) |
1d |
－ |
－ |
≥7 |
3d |
－ |
－ |
≥12 |
|
28d |
－ |
－ |
≥15 |
|
Liquidity(mm) |
Initial value |
≥260 |
≥290 |
≥310 |
30min retention value |
≥230 |
≥260 |
≥300 |
|
Vertical expansion rate％ |
3h |
－ |
0.1-3.5 |
0.8 |
Expansion value difference between 3h and 24h |
0.02-0.5 |
0.10 |
||
1d |
≥0.02 |
－ |
0.9 |
|
Limit expansion rate％ |
1d |
－ |
－ |
0.01 |
3d |
－ |
－ |
0.03 |
|
Reinforcement grip strength (round steel)/MPa |
28d |
≥4.0 |
－ |
≥4.4 |
Corrosive effect on steel bars |
NO |
NO |
NO |
|
Bleeding rate％ |
≤1 |
0 |
0 |
|
Scope of application:
Because of its Ultra high strength and 28 days compressive strength can reach more than 100MPa,its application scopes are projects with special requirements on strength, such as treasury, nuclear power plants, special projects with a service life of more than 100 years.
Dosage, storage and durability is same with CGM-T70.
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