The best way to assess the quality of Mongolian black stone
Mongolian black stone is becoming increasingly popular in interior design and construction projects. When selecting finished Mongolian black stone, there are several key factors to consider for determining its quality. Here’s a detailed guide on how to evaluate it effectively.
First, examine the surface structure with your naked eye. High-quality Mongolian black stone typically has a uniform, fine-grained texture that feels smooth and consistent. This kind of stone is durable and visually appealing. On the other hand, if the grain is uneven or too coarse, it may indicate lower quality. Additionally, natural cracks can form due to geological processes, and these weak points may lead to breakage over time. It's important to avoid stones with visible cracks or chipped edges, especially when choosing for visible areas.
Second, check the size specifications. The dimensions should be precise to ensure proper alignment during installation. If the stone is not cut to standard sizes, it might cause misalignment, distortion in patterns, or uneven lines, which can negatively affect the overall aesthetic. Fortunately, Mongolian black stone usually maintains a consistent color, so this isn’t a major concern.
Third, listen to the sound when you tap the stone lightly. A high-quality stone will produce a clear, crisp sound. If the stone sounds dull or hollow, it could indicate internal damage, such as small cracks or weakened particle bonds due to weathering. This test is quick and effective for identifying structural integrity.
Fourth, perform a simple test by applying a small amount of ink to the back of the stone. If the ink spreads quickly and seeps into the stone, it suggests that the material is porous or has internal gaps, which reduces its quality. However, if the ink remains in one place without spreading, the stone is dense and of good quality.
Tips for Choosing Mongolian Black Stone:
1. Always ask for a radiation certificate when purchasing. Stones without this certification should be avoided, especially for home improvement projects where safety is crucial. Ensure that the product meets Class A standards for low radioactivity.
2. When choosing between marble and granite, consider marble first. Generally, granite tends to have higher levels of natural radioactivity compared to marble.
3. In terms of color, the radioactivity level varies. From highest to lowest, the order is: red, green, meat red, gray white, white, and black. So, if you're concerned about radiation, black stone is generally the safest option.
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