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Dream - QN GA151 - Gypsum Self-Leveling Mortar

Strong-resistant 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, it is prepared into 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 on a large scale. It can achieve automatic and precise leveling of the ground with high comprehensive cost performance. It is a new, green, and high-tech flooring material that can replace traditional cement, large sand, and fine stone concrete construction. One-time leveling can meet the construction needs of all decorative surface layers. The finished surface can be used for thin-laying floor tiles, assembling wooden floors, pasting PVC plastic floors, and brushing epoxy and polyurethane floor paints. It can be widely used in indoor floor leveling projects.

Category:

Ground series

keyword: Dream - QN GA151 - Gypsum Self-Leveling Mortar


Description

Product Introduction:

Qiangnai Gypsum Self-Leveling Mortar uses low-energy modified semi-hydrated building gypsum as the cementitious raw material, combined with ultrafine inorganic fillers, various polymer modified activators, and multi-grade aggregate, to prepare a one-component pre-mixed dry powder product. After mixing with water, it forms a high-flowability slurry that can be manually applied or mechanically poured over large areas. It can achieve automatic and precise leveling of the ground and has high comprehensive cost performance. It is a new, green, and high-tech floor engineering material that can replace traditional cement mortar and fine stone concrete construction. One-time leveling can meet the construction requirements of all decorative surface layers. The finished surface can be used for thin-set tile laying, wood flooring installation, PVC plastic flooring bonding, and epoxy and polyurethane floor paint coating. 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 Floors"

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

 

Product Features:

1. High Leveling Accuracy

After the Qiangnai gypsum self-leveling is completed, the height difference can be less than 2mm with a three-meter straightedge test.

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 poured at one time, overcoming the shortcomings of cement-based self-leveling that can only be used for thin-layer leveling.

5. High Construction Efficiency

After pouring, the product can be walked on in 4-6 hours, greatly shortening the construction interval time. Using mechanized pump pouring, the construction efficiency is more than 5 times higher than that of traditional floor leveling.

6. Reduced Building Load

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

7. Meets On-site Environmental Requirements

Dry powder transportation, wet pump pouring construction, dust-free, pollution-free, reducing the impact of road and environmental protection control.

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 and 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 Regulation Effect

Can adjust air humidity by 5%

Almost zero

Significant comfort and environmental protection effect

Flatness

2mm/3m

5mm/2m

Overall flatness improved by 60%

Early Strength Time

Walkable in 5-6 hours

Walkable in 24 hours

Shortened interval time by 80%

Construction efficiency increased by 5-10 times

Greatly shortened 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 tiles can be thin-set (adhesive thickness about 5mm, installation speed is very fast), increasing the effective floor height.

Secondary fine leveling is required before wood flooring can be laid. The dry method of laying tiles has a relatively thick cement mortar layer (slow laying speed) and a thickness of several centimeters, reducing the effective floor height.

Increase effective space utilization

 

 

Technical Indicators (Meng-QN GA151):

Item

Indicator

Water Ratio

About 60%

Workable Time

About 60min

Hardening Time

4-6h

1d Compressive Strength

> 5Mpa

Absolutely Dry Compressive Strength

> 10Mpa

Shrinkage Rate

-0.02%

Recommended Construction Thickness

5-80mm

Applicable Occasions:

  1. Indoor dry areas;
  2. Underfloor heating backfill leveling;
  3. Floor raising and leveling;
  4. Fine leveling of poor-quality base wood flooring, carpets, etc.;
  5. Repair of cracks in indoor fine stone concrete.

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