"Spain is a natural beige marble pavement in the living room and check in less than six months to fade white into a large painted face serious." Recently, the East Lake Li Geng residential property owners to the Island Express "Home," the editorial department, brought a small piece of marble, so I invited experts to identify it and see is not artificially dyed. I interviewed the professionals, that is natural marble coloring industry "conventional action." In order to sell a good friend or making high profits, some stone work dyeing business has "reached a pinnacle," and formed the industrial chain, they had to leave behind the health of consumers.
Stone staining widespread market
I recently visited the store in the east part of the building and found, marble stone price from 92 yuan per square meter to the two or three thousand dollars, the name is varied, what Shaan Na beige, beige, Spain, India Red, Norway, red, white jazz tree hanging Ice, sky Venus, so that consumers confused outsiders, but in the sale of nearly Qicheng stores have declared a natural stone marble. Beige marble in a sale of the stores in Spain, I consult Purchasing Guide is the product of natural marble. "100% natural marble and, if leave to buy a penalty ten." Purchasing Guide to answer very sure. I asked, I heard that natural marble will stain, how is this going? Purchasing Guide that name recognition, do not rule out the others false, but the nature or natural marble stone. One consumer told the author, how would there be so many stone colors, a look is to do color. And the price of a mess, the same texture and different colors on the stone became imported stone, and the price difference of seven or eight times. Wanted to shop at home, dining room, marble, because the color is too fake to plan a wood floor.
Stone has formed the industrial chain staining
How natural marble dyed it? By a person familiar with the Limestone, the author of a chemical company with Shijiazhuang to get in touch and said that he is doing the marble business, suffer from a single color, the business is not ideal, interested in cooperation in matters of stone coloring. The other person in charge of the beam of a last name, said without reservation, they generally were stained according to the following process, the first stone to be dyed for the first time placed in the oven baking, removed after 48 hours cooling at room temperature ; will be cooled by the drying and staining the stone put in the pool, the pool of dye into the dye, for the first time that crude dye staining; then dyed and the crude stone Liangshai then add a second drying furnace second baking; then cooled stone re-entry pool for the second dye staining dye that is fine; the fine stone dyed and re-entry through the cooling pools for the third fine dye staining; the dye and by sun drying of fine stone surface paraffin treatment, and polished and cut into finished products. Dye materials include p-phenylenediamine, aniline, sodium chloride, nitrate and manganese. The dye is harmful to humans, Liang said, but not eat your body, installed a long time on nothing. It is understood, Shandong, Zhejiang, Guangdong and other places there are many such professional "dye."
Marble Institute of screening dyed color
So, natural marble dye on the human body What is the harm? Quality supervision department of Jiangsu Province, relevant technical staff told the author that some consumers have recently received a submission that they suspected dyeing natural marble, test results showed that the dyed-colored stone in formaldehyde, mercury and lead content in general will be seriously overweight. If installed indoors, prolonged exposure to the human body have a certain health hazards. So how do you identify the natural marble stain? The technical staff said that more vibrant colors dyed stone, but not natural; paper rub hard surface, such as fall color is dyed stone; fracture in the stone can be seen at the dye penetrant level; staining stone commonly used stone well, a large porosity, high water absorption of the stone, Sandstone to the sound with the percussion method can identify the false coloring of the stone than it sounds boring; often coated with wax stain the stone to increase the gloss, the back of a greasy feel, such as baking with Wei Huo, the wax surface that is lost to reveal true colors; coating of stone, although the high gloss, but the film's strength is not enough, easy to wear, light to see a plan marks and so on.
Stone staining widespread market
I recently visited the store in the east part of the building and found, marble stone price from 92 yuan per square meter to the two or three thousand dollars, the name is varied, what Shaan Na beige, beige, Spain, India Red, Norway, red, white jazz tree hanging Ice, sky Venus, so that consumers confused outsiders, but in the sale of nearly Qicheng stores have declared a natural stone marble. Beige marble in a sale of the stores in Spain, I consult Purchasing Guide is the product of natural marble. "100% natural marble and, if leave to buy a penalty ten." Purchasing Guide to answer very sure. I asked, I heard that natural marble will stain, how is this going? Purchasing Guide that name recognition, do not rule out the others false, but the nature or natural marble stone. One consumer told the author, how would there be so many stone colors, a look is to do color. And the price of a mess, the same texture and different colors on the stone became imported stone, and the price difference of seven or eight times. Wanted to shop at home, dining room, marble, because the color is too fake to plan a wood floor.
Stone has formed the industrial chain staining
How natural marble dyed it? By a person familiar with the Limestone, the author of a chemical company with Shijiazhuang to get in touch and said that he is doing the marble business, suffer from a single color, the business is not ideal, interested in cooperation in matters of stone coloring. The other person in charge of the beam of a last name, said without reservation, they generally were stained according to the following process, the first stone to be dyed for the first time placed in the oven baking, removed after 48 hours cooling at room temperature ; will be cooled by the drying and staining the stone put in the pool, the pool of dye into the dye, for the first time that crude dye staining; then dyed and the crude stone Liangshai then add a second drying furnace second baking; then cooled stone re-entry pool for the second dye staining dye that is fine; the fine stone dyed and re-entry through the cooling pools for the third fine dye staining; the dye and by sun drying of fine stone surface paraffin treatment, and polished and cut into finished products. Dye materials include p-phenylenediamine, aniline, sodium chloride, nitrate and manganese. The dye is harmful to humans, Liang said, but not eat your body, installed a long time on nothing. It is understood, Shandong, Zhejiang, Guangdong and other places there are many such professional "dye."
Marble Institute of screening dyed color
So, natural marble dye on the human body What is the harm? Quality supervision department of Jiangsu Province, relevant technical staff told the author that some consumers have recently received a submission that they suspected dyeing natural marble, test results showed that the dyed-colored stone in formaldehyde, mercury and lead content in general will be seriously overweight. If installed indoors, prolonged exposure to the human body have a certain health hazards. So how do you identify the natural marble stain? The technical staff said that more vibrant colors dyed stone, but not natural; paper rub hard surface, such as fall color is dyed stone; fracture in the stone can be seen at the dye penetrant level; staining stone commonly used stone well, a large porosity, high water absorption of the stone, Sandstone to the sound with the percussion method can identify the false coloring of the stone than it sounds boring; often coated with wax stain the stone to increase the gloss, the back of a greasy feel, such as baking with Wei Huo, the wax surface that is lost to reveal true colors; coating of stone, although the high gloss, but the film's strength is not enough, easy to wear, light to see a plan marks and so on.
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