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Shadow-QN GA201-Gypsum Self-Leveling Mortar

High-strength gypsum self-leveling mortar uses low-energy modified hemihydrate building gypsum as the cementitious raw material, combined with ultrafine inorganic fillers, various polymer modified activators, and multi-graded aggregates, to prepare a one-component pre-mixed dry powder product. After mixing with water, it forms a highly fluid slurry that can be manually applied or mechanically poured over large areas, achieving automatic and precise leveling of the ground. It offers high comprehensive cost-effectiveness.

Category:

Ground series

keyword: Shadow-QN GA201-Gypsum Self-Leveling Mortar


Description

Product Introduction:

Qiangnai Gypsum Self-Leveling Mortar uses low-energy modified semi-hydrated building gypsum as the cementitious material, combined with ultrafine inorganic fillers, various polymer modified activators, and multi-grade aggregate, to produce a single-component pre-mixed dry powder product. After mixing with water, it forms a highly fluid slurry that can be manually applied or mechanically poured on a large scale. It enables automatic and precise leveling of the floor, with high comprehensive cost-effectiveness. It is a new, green, and high-tech flooring material that can replace traditional cement mortar and fine stone concrete construction. One-time leveling can meet the needs of all decorative surface layers. The finished surface can be used for thin-set tile installation, wood flooring installation, PVC flooring bonding, and epoxy and polyurethane floor paint brushing. It can be widely used in indoor floor leveling projects in buildings.

 

Product Reference Standards:

1.JGJ/T 175-2018 "Technical Specifications for Self-Leveling Floor Engineering"

2.JC/T 1023-2007 "Gypsum-Based Self-Leveling Mortar"

3.JC/T 985-2017 "Cement-Based Self-Leveling Mortar for Flooring"

4.JC/T 2326-2015 "Leveling Mortar for Buildings"

 

Product Features:

1.High Leveling Accuracy

After Qiangnai Gypsum Self-Leveling construction, the height difference can be less than 2mm using a 3-meter straightedge.

2.Good Volumetric Stability

The product's volume change rate is -0.04%, with no hollowing or cracking.

3.Good Surface Quality

The surface is dense and fine, with greatly improved water resistance, no dusting, no sanding, and no need for water curing.

4.Controllable Construction Thickness

Backfilling, raising, and leveling are completed in one step, with a thickness of 3mm-100mm that can be cast in one go, overcoming the shortcomings of cement-based self-leveling which can only be used for thin-layer leveling.

5.High Construction Efficiency

After pouring, people can walk on it in 4-6 hours, greatly shortening the construction interval. Using mechanized pumping and pouring, it is more than 5 times more efficient than traditional floor leveling.

6.Reduced Building Load

The hardened dry density of the product is about 30% less than concrete, effectively reducing the building load and improving the seismic grade.

7.Meets On-site Environmental Requirements

Dry powder transportation, wet pumping construction, no dust, no pollution, reducing road and environmental protection control impact.

8.Significant Comprehensive Cost Advantage

Using "Qiangnai" gypsum self-leveling can greatly save labor costs, time costs, and management costs, reducing the overall cost by more than 20%.

 

Comparison of Qiangnai Gypsum Self-Leveling with Fine Stone Concrete:

Category

Qiangnai Gypsum Self-Leveling

Fine Stone Concrete

Comparison Results

Strength

C20

C20

Same strength grade

Dry Density

1650kg/m³

2400kg/m³

Weight reduction of about 30%, effectively reducing the building load

Air Humidity Adjustment Effect

Can adjust air humidity by 5%

Almost zero

Significant comfort and environmental protection effect

Flatness

2mm/3m

5mm/2m

Overall flatness increased by 60%

Early Strength Time

People can walk on it in 5-6 hours

People can walk on it in 24 hours

Shortened the interval time by 80%

Construction efficiency increased by 5-10 times

Greatly shorten the construction period

Construction Efficiency

250-300m2 /person/day (mechanical construction)

40-50 square meters/person/day

Laying Wood Flooring/Tiles

Wood flooring can be laid directly, and thin-set tile installation can be done (adhesive thickness about 5mm, very fast installation speed), increasing the effective floor height.

Secondary fine leveling is required before laying wood flooring, and the dry laying method for tiles has a thicker cement mortar layer (slow installation speed) with a thickness of several centimeters, reducing the effective floor height.

Increase Effective Space Utilization

 

 

Technical Indicators (-QN GA201):

Item

Indicator

Water Ratio

About 25%

Workability Time

About 60min

Hardening Time

4-6h

1d compressive strength

>8Mpa

Absolute dry compressive strength

>20Mpa

Shrinkage Rate

-0.02%

Recommended Construction Thickness

5-80mm

 


Applicable occasions:

  1. Indoor dry area;
  2. Underfloor heating backfilling and leveling;
  3. Ground elevation and leveling;
  4. Fine leveling of poor base wood floors, carpets, etc.;
  5. Repair of cracks in indoor fine stone concrete.

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