How to choose high-grade marble to share

Author:MoCo Marble Tiles-Stone Tile Manufacturer

Marble is a kind of natural stone. The texture on each piece of marble is different, just like there is no leaf with the same texture. It has an unrepeatable charm. Many people will use it when decorating their homes. Marble, to improve the decoration grade of the house. High-grade marble decoration renderings However, no matter what material, there will be grades. Natural marble slabs are divided into three grades: high-quality products, first-class products and qualified products. The grading and identification of marble slabs are mainly through the detection of instruments and measuring tools. To identify: 1. Check the appearance quality The appearance of natural marble slabs of different grades is different. Because marble is formed naturally, defects are inevitable.

At the same time, the pros and cons of processing equipment and measuring tools are also the cause of plate defects. 2. Choose the pattern and tone Natural marble slabs are colorful, with various tones and patterns, which is the charm of the precious marble slabs. The color tone is basically the same, the color difference is small, and the pattern is beautiful. These are the specific performances of excellent varieties, otherwise the decorative effect will be seriously affected.

3. Detection of surface gloss The surface gloss of natural marble slabs will greatly affect the decorative effect. Generally speaking, the polished surface of high-quality marble slabs should have a mirror-like luster, which can clearly reflect the scenery. However, due to the different chemical composition of marble with different qualities, even products of the same grade will have great differences in gloss.

Of course, the surface gloss of the board between different grades of the same material will also have certain differences. In addition, the strength and water absorption of natural marble plates are also important indicators for evaluating the quality of marble. 4. Common home inspection test 1: Drop a drop of ink on the back of natural marble. If the ink disperses and leaches out quickly, it means that the internal particles of natural marble are loose and the quality is poor; but if the ink drop does not penetrate, it means natural marble. Dense and good quality.

This is actually a simple test of the water absorption of natural marble. If the ink drops do not penetrate, it may indicate that the texture of the marble is denser and the water absorption is lower. Some manufacturers will paint a layer of protective agent on the marble surface to prevent stains from penetrating. Even if the customer sees that the ink droplets do not penetrate, it is likely that the protective agent is working, not the performance of the marble itself.

In addition, if the water on the back of the natural marble is in the shape of water droplets, it means that it has been coated with a protective agent, which makes it difficult to absorb water, and may also cause it to fail to bond with the cement. Therefore, it can be considered that the smaller the water absorption rate on the front of the marble, the better, but It should also be considered whether the back can be well bonded with cement-based adhesives. Common test 2: Vinegar will react with natural marble to form calcium acetate, so dripping vinegar on the marble will cause the surface of the marble to change and become rough, so you can see whether it is real marble. This test makes sense in principle, but because acetic acid itself is weak in acidity, the test requires a long reaction time, consumers will not be able to see the result for a while, and the effect is more obvious when using dilute hydrochloric acid.

Common test 3: Knock on natural marble and pay attention to the sound. If the sound is crisp, it means that the product is of good quality, and the interior is fine and uniform without cracks; if the sound is rough, it proves that there are cracks inside the marble and the texture is loose. This test can only show that the texture of marble is relatively hard, brittle and high in strength, and it cannot be used as a standard for judging the quality of marble, because the sound made by marble has a certain relationship with its variety and size. Natural marble is more suitable for the ground. Small suggestion: Try not to buy marble from "mobile booths", because many of them are stained, and the sanitation and safety of the paint are problematic.

When choosing on-site, there are three methods: seeing with eyes, listening with ears, and dripping ink. Eye view: Marble with a uniform fine structure has a delicate texture, which is a good product for stone materials; marble with a coarse-grained and unequal-grained structure has poor appearance. Listening: The knocking sound of good-quality natural marble is crisp and pleasant; if there are slight cracks inside the marble or the contact between particles becomes loose due to weathering, the knocking sound is rough and hoarse.

Ink drop: Drop a small amount of ink on the back of the natural marble. If the ink disperses and leaches out quickly, it means that the particles inside the marble are loose or there are gaps, and the quality of the marble is not good; if the ink drops stay in place, it means that the marble is of good quality . The above are tips for distinguishing between marble grades and buying marble, as long as we master this knowledge. You can buy high-quality marble and worry-free home decoration.


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