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huan-QN GA401-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: huan-QN GA401-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-graded aggregates, to prepare 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 cast on a large scale, achieving automatic precise leveling of the ground with high comprehensive cost performance. It is a new, green, 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-tile bonding of floor tiles, wooden floor assembly, PVC plastic floor 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 Code 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 Buildings"

 

Product Features:

1. High Leveling Accuracy

After the Qiangnai gypsum self-leveling is constructed, 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 Apparent Quality

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

4. Controllable Construction Thickness

Backfilling, raising, and leveling are completed at once, with a thickness of 3mm-100mm that can be cast at one time, overcoming the shortcomings of cement-based self-leveling, which can only be leveled in thin layers.

5. High Construction Efficiency

After the product is cast, people can walk on it in 4-6 hours, greatly shortening the construction interval time. Using mechanized pumping and casting, 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 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 the impact of road and environmental protection control.

8. Significant Comprehensive Cost Advantages

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

Reduced weight by 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

People can walk on it in 5-6 hours

People can walk on it in 24 hours

Shorten the interval time by 80%

Construction efficiency is increased by 5-10 times

Significantly shorten the construction period

Construction Efficiency

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

40-50 square meters/person/day

Laying wooden floors/tiles

Wooden floors can be laid directly, and floor tiles can be thinly bonded (adhesive thickness of about 5mm, very fast laying speed), increasing the effective height.

Secondary fine leveling is required before wooden floors can be laid. The dry method of laying tiles has a thicker cement and sand layer (slow laying speed) with a thickness of several centimeters, reducing the effective height.

Increase effective space utilization

 

 

Technical Indicators (Huan-QN GA401 ):

Item

Indicator

Water-cement ratio

About 25%

Loose bulk density

About 1200kg/m³

Hardened dry density

About 1700kg/m³

Workable time

About 60min

Hardening time

4-6h

1d compressive strength

>10Mpa

Absolutely dry compressive strength

>30Mpa

Shrinkage rate

-0.02%

Recommended construction thickness

3-30mm

 


Applicable occasions:

  1. Indoor dry areas;
  2. Places where plastic flooring, rubber flooring, etc. require bonding and high substrate strength;
  3. Places where the surface layer is subjected to floor paint, topcoat, etc., and high substrate strength is required.

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