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Superfine cement grout
Superfine cement grout
Supplier Info
[China Supplier]
Contact Person : Ms. Wang Helen
Tel : 86-020-83550760
Fax : 86-020-22810051
Product Detail
1.Hydrophilic and hdrophobic kinds 2.Function:stop water, void filling, reinforce 3.Used in coal mine, dam, tank and more.

Superfine cement grout (MFC-GM)

MFC-GM7000   MFC-GM8000

Product features

The high efficiency and reliability:

MFC-GM7000 is a superfine cement based on Portland cement. This is particularly suited for pre and post injection for rock and soil injection. This has an extremely fine and steep particle size grading which creates a stable and flowable trout and minimizes bleed. The small particle size of Superfine Cement grout MFC-GM7000 can provide high-efficient penetration into very fine fissures in the rock strata or soil stabilization project imparting superb water tightness, such as the tunnel, the subway, the dam, highway, bridge pier, oil wells, large equipment foundation, and so on.

Safety and no pollution

MFC-GM by avirulent and harmless inorganic material composition, the chemical composition of decided its water, soil, air pollution and the surrounding environment, relative to other grouting material character, has a higher security, belongs to the green environmental protection building materials products.

 

Higher fuel economy

MFC-GM construction is convenient, easy to operate, cheaper price than organic chemistry; after grouting, does not age, good durability, can be applied to any kind of grouting equipment, can use any kind of grouting method for grouting construction, thus has higher efficiency.

Scope of application

MFC-GM can be widely applicable to all kinds building foundation reinforcement engineering, structure repair reinforcement engineering, waterproof and grouting engineering, equipment foundation reinforcement engineering. Especially for small space the grouting and curing strength to demand higher grouting reinforcement more can reflect its superior performance.

1. The deep foundation engineering of underground water sealing;

2. The reinforcement of the dam foundation and fill dam cracking of the dam body gap;

3. The subway or tunnel wall of the grouting reinforcement or mended;

4. The large or tall buildings foundation reinforcement;

5. The road base of the grouting reinforcement;

6. Pool, the basement waterproof and grouting;

7. Excavation subway, tunnel, mines, some underground engineering and underground when soil filling curing of treatment, to reduce the difficulty of the excavation, speed up the progress of the projects, improve work efficiency;

8. Sandy soil layers of curing processing.

9. Large equipment the anchor bolts and base of secondary grouting;

10. Plant steel.

Because different particle size of MFC-GM7000 and MFC-GM8000, scope and usage is different also, the MFC-GM7000 applicable to 0.2 mm aperture quartile for space, water cement ratio regulation range of 0.3 ~ 1.0; MFC-GM8000 applicable to 0.02 mm aperture quartile for space or frequency of 0.1 mm for the fine and powder sand layer geological grouting, water cement ratio regulation range of 1.0 ~ 5.0

 

Product Physical and Chemical performance

 

MFC-GM Chemical composition: mainly by cao, oxidation silicon, alumina, ferric oxide and other components, and composite have a certain amount of polymer additives

 

MFC-GM Physical properties:

Item/index

MFC-GM7000

MFC-GM8000

Appearance

grey powder

grey powder

Specific weight

3.0+-0.2

3.0+-0.2

Volume-weight(kg/L)

1.0+-0.2

0.7+-0.2

Smell

Non

Non

Poisonousness

Non

Non

Fineness

Specific surface area(cm²/g)

≥7000

≥8500

Median particle diameter D50( µ m)

≤10

≤2

Maximum particle diameter Dmax( µ m)

≤100

≤20

  

Construction technology

1. According to different space the size of the aperture, different soil geological environment, different grouting basis conditions and different intensity index requirement, can determine first choose to use MFC-GM7000 or MFC-GM8000. Usually the space is opposite bigger part of the gap (quartile for 0.2 mm) or a relatively large particle size of coarse sand layer (= 0.5 mm for controlled) grouting, can choose MFC-GM7000; And for a relatively small aperture space (0.2 mm for frequency quartile 0.02 mm) part of the particle size or small fine sand and powder sand layer (= 0.1 mm for controlled) grouting, can choose MFC-GM8000.

2. Adjust the suitable water cement ratio (usually MFC-GM7000 regulation range of 0.4 ~ 2.0, the adjustment of the MFC-GM8000 range of 1.0 ~ 5.0), with an electric dispersion machine to stir until become ingredients uniform paste, and then into a paste grouting barrels.

 

3. Will the pipe grouting machine mouth and fixed in advance on the basis of grouting in mouth docking fixed, through to the grouting mechanical and electrical source and open the valve for grouting, pay attention to control the pressure grouting in a certain range. (usually in 0.1 ~ 0.5 MPa range. Different basic condition and different water cement ratio, the grouting pressure grouting different. Pressure is too great, splitting grouting may form, which cannot be evenly infiltration grouting pressure is too small., and may not be penetration to the tiny space.)

 

4. After the completion of the grouting for the grouting holes.

5. When grouting area is larger, can be made section grouting.

Storage period

Keep in cold and dry place, unopened product is valid for 1 year.

Spec.

25kg/bag Composite paper bag

Superfine cement grout

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