![]() Water spills usually evaporate before they can cause damage. The best solution is to keep it clean and wipe up whatever spilled quickly. Therefore liquid beads up instead of soaking into the surface and staining granite. This resin and petroleum-based sealer help fill those tiny holes in the granite countertop that can let in moisture. ![]() When granite countertops are installed, they should also be sealed. Although it won’t absorb like sandstone or limestone, it will still absorb bits of moisture, eventually damaging your counters. Because Granite is a stone, it is naturally porous. The Paradox of Granite Countertops: granite is water-resistant however, it is porous. It has a natural water resistance that helps protect it. One of the reasons for choosing granite as counters is because granite is famous for its natural ability to resist moisture. Most fabricators apply a sealer to granite countertops before installation that protects the stone from absorbing liquids too quickly. Preventing staining requires sealing your Granite. But it may stain when a colored liquid, like soy sauce, wine, or coffee, is spilled and allowed to sit for more than twenty minutes on the stone. Therefore, even if you have very porous Granite, spilling water or oil will not damage your counter permanently. Usually, when liquids are spilled on the countertop, they evaporate within half an hour. As this porous surface of the stone allows water to cling to it and absorb, a darkening appearance is noticed. Granite is a natural substance, and you find granite extremely smooth to the touch, but on a microscopic level, it is uneven and full of holes. This is because all stones are different, and some are more likely to darken upon contact with liquids than others. If you have installed granite countertops, you might notice that granite changes color when it gets wet. It’s important to note that the absorption capacity of every stone of different dimensions is a range rather than one number. 01 percent, and the standard requirement for water absorption in Granite is. READ: 14 Different Types of Terrain That Can be Found on This PlanetĪbsorption capacity in Granite usually ranges from. Apart from the testing methods, natural stone products must adhere to the ASTM specifications. The resulting value is expressed as a percentage required to determine whether a type of stone is appropriate for a specific application. The absorption capacity of every type of granite is determined by calculating the difference between the fully dry and fully saturated weights. In addition, absorption in rock is a measure of a stone’s porosity to determine the durability of a particular installation and a stone’s stain resistance. The qualities of a stone must match the needs of the application for lasting effect. Absorption levels determine the capacity of a specific type of stone to withstand weathering and structural stress and also its usage. Water absorption matters in natural stone products. Also, highly acidic substances like orange juice, coffee, and wine leave a dull mark on some marble and Granite, especially of lighter color. For example, if a puddle of water is left on the counter for a long time, a dark spot may appear when the water is wiped away. However, prolonged contact with moisture can affect any surface. For example, granite, a denser igneous rock, absorbs less liquid than its metamorphic counterpart, marble. ![]() However, the amount of absorbency varies depending on the variety of stones. These channels act like a sponge, absorbing liquids over time. Natural stones like marble and granite countertops have varying porosity, which will absorb water. Natural stones contain a network of tiny interconnected channels similar to the capillaries of the human body, which permit penetration by liquids and gasses. ![]()
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