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M520 Standard self-leveling

Use:
M520 standard self-leveling, using special cement, fine aggregate and foreign brands of polymer spray powder resins and other raw materials such as cement additives refined, with a high flowability, high plasticity self-leveling subgrade material for light commercial construction, family and other occasions.

Feature:

Fast automatic leveling ground, fast-setting, low shrinkage;

Construction can be freely controlled thickness;

Construction thickness of 2-4mm, excellent compressive and flexural strength;

Environmental.


Applicable Substrate:

Applicable to all types of flooring , carpets, tiles, floor tiles and other materials , to provide smooth, intact, solid substrate ideals , is non-toxic green products.


Substrate Treatment:

Substrate must be dry, solid, load-bearing, dust, debris hinder bonding, smooth surface.To ensure self-leveling surface strength and adhesion, absorbent substrate recommend using M318 water-based primer.Stone, terrazzo base surface, tiles and other non-absorbent substrate surface, recommend using MSYH M320 non-absorbent primer for treatment.


Technical Parameters:

Mixing ratio : 25kg powder : 6-6.5L water

Coverage : About 3.5kg /m²·2mm

Constructability time : About 20 minutes

Viable human time : About 4 hours later

Flooring may need time : Waiting for self-leveling completely dry

Compressive strength : ≥ 22MPa ( 28 days )

Flexural strength : ≥ 4.0MPa ( 28 days )


Construction method:

①Substrate clean up after the first choice of a suitable primer brushing the substrate, when the primer has been absorbed by the substrate, in a semistate ( approximately 2-6 hours after the primer construction ), begin self-leveling construction.

②Poured about 6-6.5L water in a mixing container, then slowly add to a bag a bag of 25kg self-leveling, stirring with a mixer until a uniform slurry without groups, pouring the mixture was uniformly, spread with a special blade tooth mouth control the thickness, just finishing construction mixture to prevent direct sunlight and strong wind blowing.

③The initial setting before self-leveling with anti-foaming rollers rolling ground to exclude when mixed into the air. Transmission capacity can be used (20-40 liters / minute) pumping self-leveling slurry.


Precautions:

As the product contains cement, reacts with water to produce highly alkaline, avoid contact with skin, eyes. In case of contact, immediately wash with water; If skin or eye injury, seek immediate medical attention. This product will not produce the body, environmental impact material after hardening.


Packaging and Storage:

25kg composite bag. The product shall be kept indoors, pay attention to moisture, prevent freezing, solarization. Stacked on pallets no more than eight layers,Under the condition of good moisture-proof measures Shelf life is 6 months.

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