CSA Floor Hardener

Base Concrete

1. The minimum quantity of cement for base concrete is 300kg/m3. Concerning the design of mixing ratio of concrete, it is necessary to reduce isolation as much as possible and control water secretion, in practical construction a certain quantity of secreted water is needed to ensure the hardener can be sufficiently moistened after the first dry shake.
2. It is recommended to adopt admixture to control the water cement ratio under 0.55, and the site slump of base concrete shall range from 75mm to 100mm.
3. The base concrete shall be poured and vibrated as per standards to ensure the flatness of concrete surface and reduce surface laitance.
4. The construction of base concrete corner needs quite attention to ensure its compaction

Construction

1. The average coverage percentage of the hardener shall be 4~6kg/m2. It is recommended to Premark the construction area and calculate the quantity of material as per the recommended coverage percentage. The minimum percentage of 4kg/m2 is applicable to light load, and the maximum percentage of 6kg/m2 is applicable to heavy load.
2. When the base concrete hardens to certain stage and a 3-6mm depth footprint is left after being stepped on, Polar Bear brand ground hardener shall be used immediately at this stage when the secreted water has vaporize completely while the surface of concrete still keeps humid.
3. For large area construction, the hardener must be used as per schedule and correct time shall be controlled following the construction team of base concrete.
4. Polar Bear brand ground hardener shall be used in two steps (take 5kg/m2 for example)
a. Scatter hardener on concrete with the quantity of 3kg/m2 in the first time (about 60 % of the total) and proceed the first level-up after the hardener absorbs the moisture of base concrete and becomes dark. The level-up tool is wooden spatula, and machine is also applicable for large area construction.
b. Following the first level-up, scatter the rest hardener with the quantity of 2kg/m2 (about 40 % of the total) evenly on the concrete, the working direction is vertical to that in the last step. In the same manner the hardener will absorb moisture and become dark, and another same level-up operation as the last step shall be conducted.
5. The final polishing work shall be done with level-up machine, and the ground has achieved sufficient hardness to resist destruction.
6. The time of using the hardener is very important, sufficient manpower, equipment and materials shall be ready when base concrete achieves the operation conditions. All the required performances cannot be achieved if the secreted water still exists and the hardener is used quite earlier.
7. Color ground needs special attention and protection for fear of destruction and pollution after being completed. Usually to adopt the correct coverage percentage is very important to avoid the potential color difference.

Cleaning
After being used, all the equipments shall be cleaned with clean water as soon as possible before materials become hard. 
Maintenance
In order to achieve the designated physical performance, the ground hardened with Polar Bear ground hardener must go through correct maintenance. A certain time after being leveled up and polished with machine, the ground shall be sprayed with special maintenance agent or maintained with PVC film..

Construction Method

Polar Bear Brand ground hardener can form a hardening course of high wear resistance on the surface of new-poured concrete, and through dry shake method the hardening course can be integrated with the base concrete. The product is applied to all the industrial areas that need to bear load, the typical applications include but not limited to,

Power Station
Garage
Heavy industry factory
Warehouse
Beverage factory
Goods stockpiling area
Farm building
Meat works
Distillery

Applicable Scope

Advantages

1. Pre-packed product--- There is no need to mix it with other materials for site construction.
2. High hardness on the surface and good wear resistance performance
3. Integral combination with new-poured concrete base.
4. The hard and dense surface can resist grease and lubricant oil.
5. Many kinds of colors are available to improve working environment.
6. Environment friendly, innocuous, inodorous, non-pollution, non-radioactivity
7. Economichigher performance-price ratio than epoxy resin ground material

Performance Features

Wear Resistance Performance
Shown by the testing result, the ground hardener can improve the wear resistance of concrete by 300%.
Compressive Strength
Adopting the same water cement ratio as that in practical application, the compressive strength of the ground hardener test block 28d is more than 80MPA.
Hardness (Mohs hardness)
The Mohs hardness of the aggregate in the hardener is more than 7.

Product Introduction

Polar Bear Brand ground hardener is a kind of powdery material that is premixed by factory with Portland cement, special wear-resistant aggregate, and the admixture that can improve construction performance in proper proportion, it can be directly used at working site. The product is very easy to plaster on the surface of the new-poured concrete and to form dense aporate surface course after integral solidification, and the course is of high hardness and wear resistance. The integral solidification construction can completely avoid the plumping, contraction crack and other problems usually occurred in leveling course.

 

Floor Hardener

powdery material premixed with Portland cement, special wear-resistant aggregate, admixture can improve construction performce

  • Floor Hardener:Jiangsu, China (Mainland)
  • Country:China (Mainland)
  • telephone:86-010-60557306
Floor Hardener: Jiangsu, China (Mainland)
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