How to Care for Wood Marble? (1)
Wood marble is a kind of marble, mainly because the texture of the marble slab surface is wood grain like, so it is named wood marble or wood grain marble. There are many kinds of marble with wood grain texture, and the colors are also different. Due to the different processing and cutting methods, the longitudinal cutting is wood grain, and the horizontal cutting can show moiré, water grain or a texture similar to annual rings.
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Wood marble is favored by designers for its simplicity, naturalness, dignity and elegance. It is widely used in construction and decoration. But behind the gorgeous decorative effect, many owners have also found that in daily maintenance, wood marble also has many headaches, which only affect its decorative effect, and for many professional stone care teams, it is also quite a problem. we will share some wood marble processing technology and experience, hoping to help everyone.
Common problems of wood marble
In a large number of daily applications, it is found that wood marble is more prone to the following major problems than other types of natural stone:
* Not easy to polish.
* Easy to change color. After the wood marble used, the color will change from light to dark, from dark to yellow and other similar phenomena.
* The joints of wood marble are prone to have pollution and discoloration problem
* Easy to return to alkali.
* Easily polluted.
Note: The most headache for the owners and stone care workers is that these problems are not easy to control. Sometimes when faced with a scene, it is difficult to find the reason and where to start.
And when a problem cannot be found from the surface phenomenon, it must be analyzed in depth. Next, we have a simple understanding of wood marble.
Characteristics of wood marble
* Limestone
Wood marble is a kind of limestone whose main component is calcium carbonate (CaCO3).
* Powder structure
Although it has a similar texture and pattern to marble, there is a clear difference between wood grain marble and normal marble. One of the important features is that the formation process of limestone has not undergone the deterioration and crystallization of marble.
This makes the limestone present a fine powder structure in structure. It seems dense, but in fact it is essentially different from the crystal structure of marble and granite.
* Physical properties
Limestone is fragile, and its flexural bulk density, curvature and compressive strength are not high.
* High water absorption
Calcium carbonate composition and powder structure make limestone generally have a high water absorption rate.
We have had similar experiences on unprotected wood marble: some water, sprinkled on the wood marble, just like being absorbed by a sponge, quickly penetrates into the stone. This feature is obviously different from the reaction of sprinkling on the surface of marble, granite and other stones.
Note: It is the composition and structural characteristics that cause the higher water absorption of the wood grain stone. And this "water absorption" is the root of all problems.
The root of the problem 'high water absorption'
In fact, the aforementioned wood marble is difficult to polish and easy to contaminate. The culprit is the super high water absorption rate of wood marble.
* The reason why it is not easy to polish
When wood marble is polished, due to higher water absorption. A considerable part of materials such as crystallization agent and powder quickly penetrates into the stone and cannot produce crystallization. And affect the final light effect.
* Reasons for easy discoloration
Due to the high water absorption rate, it is easy to absorb water during use and maintenance, which leads to various unpredictable changes in color over time.
On the other hand, marble and granite with lower water absorption rate, the color change caused by similar reasons is far more slight than that of wood marble.
* The reason why the gap is easy to change color and black
The high water absorption rate also represents the microporous structure of the wood-grain stone with strong adsorption capacity. Marble glue, glue oil, pigments in the caulking agent, etc. are also easily absorbed by the wood marble, leaving marks in the gaps.
* Reasons for easy return to alkali
Wood marble easily absorbs water and reacts with the components in the cement at the bottom, resulting in a back alkali phenomenon.
* Reasons for easy pollution
The wood marble structure is relatively loose, the water absorption rate is high, and the ability to absorb pollution is naturally strong. In daily use, under the combined action of various substances such as sole dust, sewage, fruit juice drinks, coffee milk, tea, etc., it is easy to cause pollution.
White wood marble
Wood marble slabs
