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Cement-Based Permeable Arystalline Type Waterproof Material

Cement-based permeable crystalline waterproof material-Rigid waterproof expert T11 cement-based permeable crystalline waterproof material is a light gray powder which is made of inorganic base stocks such as ordinary Portland cement, quartz sand, penetrant powder and crystal masterbatch, and is......

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Cement-based permeable crystalline waterproof material-Rigid waterproof expert

T11 cement-based permeable crystalline waterproof material is a light gray powder which is made of inorganic base stocks such as ordinary Portland cement, quartz sand, penetrant powder and crystal masterbatch, and is blended with active compound and other auxiliary materials. It is a rigid waterproof material with non-toxic, odourless and pollution-free features,executing GB18445-2001 National Standard.


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T12 is a polymer modified cement-based permeable crystalline waterproof material. It is an new advanced waterproof material which is the years result of Our company researching and practical application of the advantages of polymer waterproof coating on the basis of T11. It not only inherits the ability of infiltration and crystallization, but also greatly improves the crack resistance, and at the same time enhances the bond strength with the base surface. 

No.

Test item

Performance indicators

T11

T12

1

Stability

qualified

qualified

qualified

2

Setting time

Initial setting time(min)

≥20

2h

2h

Final setting time(h)

≤24

10

10

3

Flexural strength(MPa)

7d

2.8

3

4

28d

3.5

4

5

4

Compressive strength(MPa)

7d

12

12.5

15

28d

18

19

25

5

Wet base bonding strength(MPa)

1

1.1

1.1

6

Impermeability

First time 28d(MPa)

≥0.8

≥1.2

≥1.3

≥1.3

Second time 56d(MPa)

≥0.6

≥0.8

≥0.9

≥0.9

Impermeability pressure ratio(28d)%

≥200

≥300

≥300

≥300


Do you understand secondary infiltration?

The cured product of the waterproof coating after construction is equivalent to the concrete structure. Practice has shown that the active chemical substance can make the infiltration crystallization deep into the structure of the concrete structure 100mm after 28 days under curing conditions, so that the concrete structure can withstand the pressure and is not permeable. After use, the active chemical in the coating is activated by water to form a new permeating crystals, that is, having secondary impermeability.


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