What is the water absorption rate of ceramic tiles? How to calculate the water absorption rate of ti

Water absorption is defined as the ratio of water to weight that is absorbed into the open pores.

The reason for the existence of the tile: in the process of firing the tile, the raw materials of the green body will produce gas, most of the gas will be discharged from the green body, but there are also some gases will remain in the form of bubbles of different sizes and shapes in the green body, the existence of the way is: open and closed two, the open part has the ability to absorb water.

Factors affecting water absorption: formula composition, manufacturing process (slurry fineness, molding pressure, firing system, etc.).

Water absorption is the basis of all ceramic tile quality, the lower the water absorption, the better other properties such as strength and density, the lower the water absorption of ceramic tiles, not due to climate change thermal expansion and contraction and cracks or peeling, but the water absorption rate is not as low as possible.

How to prove that the water absorption rate is low: pour the water on the back of the tile, and the diffusion is rapid, indicating that the water absorption rate is high, and it is not suitable for use in kitchens and bathrooms with a lot of water vapor.

The water absorption rate of Golden Silk Road tile refers to the ratio of the weight of the brick itself to the weight after absorbing enough water, which is the necessary adsorption and penetration capacity of the tile to water. The national classification standards for the water absorption rate of ceramic tiles are: 1

Porcelain tile water absorption, whole body marble, vitrified bricks are porcelain bricks, there are some manufacturers of antique bricks are porcelain bricks embryo body stoneware tile water absorption rate 3% fine stoneware brick water absorption rate 6% stoneware brick water absorption rate 10%, the current market antique bricks are mostly fine stoneware bricks with stoneware bricks ceramic brick water absorption, most of the kitchen and bathroom wall tiles on the market (also known as porcelain tiles in the industry), belongs to ceramic bricks Water absorption rate is one of the important indicators for purchasing ceramic tiles, and it is also an important attribute to distinguish the advantages and disadvantages of ceramic tiles, but not the lower the water absorption rate of the brick, the better, Rather, it is necessary to determine according to the position of use, the ground should be laid with low water absorption rate of floor tiles, because the ground will often be washed with a large amount of water, so that the tiles can not be affected by water vapor, do not absorb stains, the water absorption rate of wall tiles should be relatively high, and its back is generally rough, which is also conducive to the adhesive to stick the wall tiles on the wall.

The weight of the tile soaked in water - the weight of the porcelain difference before soaking in water) (the weight of the tile soaked in water) * 100% standard method for detecting the water absorption rate of the tile.

To put it simply, take a tile weighing between 50-100g, first put it in a high-temperature steamer to dry the water, weigh it, soak it in water for 4 hours, wipe the surface moisture with wet wipes after taking it out, and then weigh the measured weight record, repeat the average value obtained twice, calculate, subtract the weight of the dry brick from the weight of the wet brick, and then divide it by the weight of the dry brick multiplied by 100% of the data is the water absorption rate.

The standards of each manufacturer are still very different, mainly the actual water absorption rate is still very different, although they are up to standard, but the virtual bush process itself is still very different, such as the porcelain tiles of Jianyi have some water absorption rates below, and the porcelain tiles of ordinary small factories are also around, and the gap is mainly in the problem with the press.

The formula for calculating the water absorption rate is: w=(b-g) g 100%.

where W is the water absorption, expressed as a percentage, G is the weight of the sample after drying, in grams, and B is the weight of the sample after it is saturated with moisture, in grams.

Water absorption is the ability of the stone to absorb water at standard atmospheric pressure, and is measured by the amount of water absorbed by the stone. The water absorption of trembling stone is determined by the number and size of voids and the way in which the particles are arranged with each other.

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How much does the water absorption of tiles 400 800 have.

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Hello, glad to answer for you. The water absorption rate of tile 400 800 is within 3%, and the middle plate refers to the porcelain tile with a thickness between Wu Hao, the specification is mainly 400 800mm, and the water absorption rate is within 3%, between the cavity wheel row tile and the thin plate.

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Before laying tiles, you need to prepare yourself to know how much water you absorb. What is the general skin absorption rate of ceramic tiles? PChouse will take you to find out.

1. According to the national testing standards for ceramic tiles in China, ceramic tiles are divided into porcelain tiles (water absorption rate e fine stoneware tiles (water absorption rate 3% e 6%), stoneware bricks (water absorption rate 6% e 10%), ceramic bricks (water absorption rate of more than 10%), etc. Burning imitation spikes.

2. The inspection method should be poured water on the back of the brick body. The water absorption rate of ceramic tile refers to the percentage of the weight of the inhaled water in the weight of the product after the opening pores of the product are filled with water, which can directly explain the density of the product and the dirt resistance of the affected product. The lower the water absorption rate of the tile, the higher the internal stability of the tile.

Dripping water on the back of the tile, if the water seepage is fast, the water absorption rate is high, and the product quality is not good; On the contrary, the water absorption rate is low, and the product quality is good. The water absorption rate of ceramic tiles is one of the criteria to measure the quality of ceramic tiles.