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Moisture Content

As the name itself states, water content or moisture content is the quantity of water contained in a material. There are a variety of materials that have moisture content. Here are a few examples.

Soil Moisture: The soil’s moisture content affects the moisture and the amount of nutrients available to plants and of the soil aeration. Gravimetric soil water content is the mass of water contained in the soil. It is estimated as the difference between the wet soil and dry soil known as oven-dry weight.

Rock: One would be surprised to think that a rock could have a moisture content. It is a major control factor in the freeze-thaw weathering which occurs in rocks. In the maritime Antarctic, studies have shown moisture content values for rocks, taken from a variety of positions and certain conditions. Additional information has been obtained regarding the amount of water the rock could take up or “absorb”, as observed from ongoing laboratory experiments. As identified in simulation experiments, in particularly that of a submerged rock soaking for a 24 hour period, which may produce exaggerated results. Distributing moisture within the rocks is considered an important yet mysterious part of the process.

Ceramics: A ceramic product’s moisture content is important to know when determining its properties for resistance to wear, will it possess high strength, long life, heat resistance and non-toxic porosity. But none of these factors can be fully determined without knowing the regulation and supervision of a ceramic product’s moisture content. When compared to other items made from other materials, ceramic products have tremendous advantages over other products on the market. This is why moisture measurement and control are crucial aspects in ceramic applications.

Crops: Naturally, the soil’s moisture content that a crop is planted in is of vital importance to the success of the crop and its potential yield when it comes time to harvest. Hence it is understandable that a well hydrated crop and its soil is imperative to the plant receiving all the necessary nutrients in order to grow and be healthy.

Wood: And in a slightly similar fashion, wood needs a certain amount of moisture to be an effective building tool. If a wooden beam is too dry, it will crack and break under pressure. Wood is a hygroscopic, which means that it is a material that absorbs water. The moisture content of newly cut wood is typically 40%-200%. In a normal application wood moisture comprises in the range of between 8% and 25% by weight, the difference depends on the air humidity of the air in a given weather. So when wood has a degree of moisture content, it will be stronger and much more durable than very dry and rotten wood.

Moisture content is utilized in a broad range of scientific and technical areas. It is expressed as a ratio, which can range from 0 (which is completely dry) to the value of the materials’ porosity at saturation.

Use of Term

Between 8% and 10% is the most ideal level of moisture content for the perfect cured marijuana.

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