Rapid Set Cement And Sand For Water Stopping

  • Product Introduction
Posted by GUANGDONG YUNYAN SPECIAL CEMENT BUILDING MATERIALS CO.,LTD On Sep 10 2025

YUNYANMIX rapid set cement is a kind of polymer mortar manufactured by YUNYAN company, YUNYANMIX is a well branded one of Top 10 for rapid set cement and new building chemicals in China, for a best supplier and wholesaler of new building chemicals please go through: http://www.yunyanchina.com

PRODUCT DESCRIPTION

FAST SETTING CEMENT AND SAND is an inorganic waterproof and plugging material made of special cement as the main component, mixed with additives, and processed by a certain process. It is widely used in waterproofing, impermeability, plugging and other projects.

PRODUCT FEATURES

Non-toxic and harmless, can be used in drinking water projects

It can be constructed with water, quickly plugging leaks, and can be constructed on both positive and negative surfaces.

Fast setting and quick hardening, instant water stop, early strength and high strength, impermeability and crack resistance.

Excellent bonding properties

Chloride free

SCOPE OF APPLICATION

Water seepage plugging in tunnels and culverts

Water seepage plugging in basements, bathrooms, baths and roof

Emergency repair of various pressure pipelines

Emergency installation of machinery and equipment

Treatment of seepage water from cracks in reservoirs and dams

MATERIAL CONTENT

CAS No.

Chemical Name

Ratio

65997-15-1

Sulfoaluminate Cement

35-45%

14808-60-7

Silicone sand

40-55%

N/L

Polymer additive

0-5%

TECHNICAL PARAMETERS :

Status

Single component

Color

Grey

Construction

By plastering or grouting

Water demand

Aaa 35%

Initial setting time

≤5 mins

Final setting time

≤13 mins

Compressive strength 1h Mpa

≥8.0

Compressive strength 3d Mpa

≥15

Flexural strength 1h Mpa

≥2.5

Flexural strength 3d Mpa

≥4.0

Impermeability pressure 7d Mpa

≥1.5

Bonding strength 7d Mpa

≥0.6

Heat resistance test (100℃,5h)

No crack,no peeling off

Freeze and thaw cycle (20 times)

No crack,no peeling off

Shelf life

12 months

Condition on site

5-40℃

EXECUTIVE STANDARD

CHINA QUALITY STANDARD : GB 23440 - 2009

APPLICATIONSEEPAGE SURFACE CONSTRUCTION

1) Base surface treatment: The base surface must be moist, firm, clean and flat. The unevenness can be leveled with fast setting cement and two times of the medium sand. If the serious water comes out, a water diversion hole can be drilled at an appropriate position to decompress and the seepage water can be led out.

2) Mix : The construction of the seepage surface should be based on powder: water = 1:0.3 at low speed to form a uniform slurry without agglomeration. Do not mix too much at one time, so as to avoid waste caused by solidification.

3) Construction: Dry the base surface with a dry cloth and quickly scrape the first layer of material with a trowel (if there is water seepage, it can be temporarily not dealt with), wait for it to harden (no marks will be left by finger pressure), dry the surface, and scrape the second layer. If there is still a large area of water seepage, the same method can be used to scrape the third layer. If there is only partial water seepage, just add a layer of material to the seepage area until there is no leakage, and then block the water diversion hole. Finally, 48 hours of wet curing (can be sprayed with water, covered with wet objects, etc.)

QUICK PLUGGING LEAKS

1) Base surface treatment: Chisel the leakage treatment into anti-trumpet-shaped holes, remove the residue, and wipe off the surface water.

2) Mix : knead repeatedly to form a ball according to the ratio of powder: water = 1: 0.2, and stir the sealing material into a uniform putty shape according to powder: water = 1: 0.3.

3) Construction: Quickly plug the fast-solidified plugging clumps into the leak, and squeeze and smash with a hammer and stick. After confirming that there is no more water leakage, extend a range of 10CM around the hole, scrape and press a layer, and spray for maintenance in time.

PACKAGE

2KG/BAG

SHELF LIFE

12 months, be kept in cool and dried place.

SAFETY GUIDELINE

It is recommended to wear masks, goggles or protective clothing during stirring and construction.This product contains cement and may cause allergic reactions.

May be irritating to eyes and skin. In case of accidental contact with eyes, flush with plenty of water and seek medical attention as soon as possible. If you feel uncomfortable in contact with your skin, rinse immediately with soap and water.

Keep out of reach of children

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