What are the polishing techniques for concrete floors?
Henry Wang
CEO @ Global Marketing Club | Competitive Pricing, Professional Manufacturer | Since 2007, Bridging the gap between 200K+ Chinese manufacturers and overseas buyers.
Floor polish encyclopedia: Polishing concrete floor polish technique sharing
Polished concrete floors are fast becoming one of the most popular.The polished concrete floor refers to the concrete surface formed after the concrete is gradually ground by grinding tools and acted together with chemical hardeners.
The builder uses chemical hardener to penetrate the naturally cast concrete, so that its surface strength and density can be strengthened, and its flatness and inverse luminosity can be improved by mechanical grinding and polishing, so that the concrete floor can have both service performance and special decorative effect.
This is why most retail, warehouse and office floors are polished concrete.
Here I would like to share the polishing process of the polished concrete floor:
Coarse grinding processing
The process begins with the use of a coarse trefoil bonded in the metal substrate.This section is rough enough to remove small pits, stains, stains or light-colored coatings from the floor, resulting in a smooth surface.
Depending on the condition of the concrete, this initial rough grinding usually requires a three - to four-step grinding process.
Fine grinding processing
The process involves the use of a resin mill embedded in a plastic or resin matrix to fine grind the concrete surface.The builder grinds the floor with finer and finer slashes until the floor reaches the desired gloss.For very high glossiness, a 1500mesh or finer finish may be used.
Experienced polishers know when to switch to the next finer mesh by looking at the floor surface and the amount of material being removed.
Polishing processing
During the polishing process, an internal impregnated sealant is used.The sealant seeping into the concrete is almost invisible to the naked eye.It not only protects the concrete from the inside out, but also hardens it and increases its density.This eliminates the need for localized finishes and greatly reduces maintenance.
If the polish is laid on the surface at the end of the polishing stage, the floor will be brighter.These polishes also help remove the residue left on the surface during the polishing process, creating a surface that is resistant to contamination.
You can grind concrete either wet or dry.Although each method has its advantages, dry polishing is the most commonly used method in the industry because it is faster, more convenient, and more environmentally friendly.
At present, many construction teams use a combination of wet and dry polishing method.Dry polishing is used for the initial grinding step after more concrete has been removed.As surfaces become smooth and builders switch from metal to more sophisticated resin grinds, they usually become wet polishes.
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