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Customized Size Black Granite Floor Tiles Polished Granite Countertop Tiles

Categories Granite Stone Tiles
Model Number: DG-084 black granite tiles
Certification: black granite tiles
Place of Origin: CHINA shanxi
Price: Negotiated
Delivery Time: Within 14 days after deposit for 1*20'FCL
Packaging Details: 50-60pcs cut strips / crates, 20-22 crates / 1*20'FCL, Maximum loading 27 tons
Supply Ability: 10000sqm/month
Granite type: black granite tiles
Density: 3.08 g/cm3
Flexural strength:: 41.6 Mpa
Compressive strength:: 205 Mpa
Gloss: >95
Acid resistance: 99.9%
Alkali resistance: 99.9%
Shaw's hardness: 101
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    Customized Size Black Granite Floor Tiles Polished Granite Countertop Tiles

    China low price black granite tiles polished glossy 95 cunstomized sizes

    Shanxi black is also called Emperor black, Taibai and Hui Lvyan. It is a black granite. This type of ore belongs to magmatic rocks. The gabbro is dark black, mainly composed of plagioclase and pyroxene, with fine crystalline structure, massive structure and pure black.
    Shanxi black is not the granite so called China black, China black(fengzhen black) looks dark blue and dotted some spot on the surface, polishing effect not as good as Shanxi black. Shaxi black is the hardest granite in China so far, it is very shinning after polishing.

    The gloss of stone has theoretical gloss, polished gloss and actual polished gloss. In principle, theoretical gloss can be obtained through calculation of the absorption, reflection, and refraction of light by minerals. The polished lustre is calculated from the calculation of the factors that affect the gloss of stone, such as the weathering of the stone, the density of the structure, the color change, the fragmentation of the mica and the disintegration of the mica, and so on, and the actual polishing gloss is through the actual operation. The glossiness is obtained. Besides the natural factors of stone, it can be said that human factors are very large. Such as the method of construction grinding, the result of the construction grinding, the drying degree of the stone recrystallization hardening plate, the environment temperature of the stone recrystallization hardening, the method of hardening the stone recrystallization and the choice of the crystallization hardening agent and so on. The existence of all these uncertain factors will affect the results of recrystallization hardening to some extent.

    From the mineral structure of stone, the grain size will affect the gloss of the stone. The larger the size of the crystal particles, the lower the glossiness, the worse the polishing performance. The more homogeneous the crystal grain is, the better the polishing performance is. The difference of gloss in different measurement directions of stone polishing surface is also existing, that is, the gloss is directional, and the consistency of the different directions of the polishing surface of the medium and fine grain stone is better, and the difference in the different directions is reduced with the polish of the polishing surface of the stone.

    In practice, the medium and fine grained stone is faster than coarse grained stone in grinding and recrystallization hardening. According to the size of mineral granularity, the rock structure can be divided into five kinds: macro crystal (particle >10mm), coarse grain (particle >5mm), grain (particle 5 - 2mm), fine grain (particle <0.2mm), and granular <0.01mm (particle <0.01mm).

    The higher the hardness, the slower the speed of stone grinding and stone re hardening. The slower we call the speed, we should understand from two aspects: 1. the higher the number of abrasives for stone grinding, the more times the stone recrystallization hardened; 2. in the actual operation, the speed of the machine we master is slow. In practice, everyone may have such a feeling, the ordinary marble grinding to 1000 orders can be polished, and Shanxi black stone to be ground to 2000 - 3000 orders. All of this is theoretically determined by the time when the stone will finish the plastic flow. Experiments prove that marble will produce plastic rheology at the beginning of the 150 mesh, while the high hardness Shanxi black stone will not.

    The hardness of stone is the main factor that determines the speed of stone grinding and stone recrystallization hardening. The hardness of Shanxi black stone depends on the mineral hardness of the stone, and is influenced by the structure and structure of the stone. The hardness of Shanxi black stone is as high as 8 Mohs, so the grinding and recrystallization hardening speed of Shanxi black stone is slower than that of marble, limestone and slate.

    The effect of recrystallization hardening of Shanxi black stone with larger volume is better. When the density of stone is more than 2.65g/cm3, the polishing effect of stone is very good, otherwise, stone with small density and has less effect.
    Physical property:

    Granite typeblack granite tiles
    Shore hardness101
    Density3.01 g/cm3
    Flexural strength41.6Mpa
    Compressive strength205Mpa
    Acid resistance99.9%
    Alkali resistance99.49%
    Radiation rate<16r

    Specification Plate:
    1. Dimensions: 300 x 300mm 300 x 600mm 400 x 400mm 600 x 600mm 800*800mm or other specified specifications
    2. Dimensional tolerance: quadrilateral 10mm diagonal + 10mm
    3. Thickness: 18mm 20mm 25mm 30mm 50mm 80mm 100mm 150mm and other specified thickness
    4. Quality control: 1). Thickness tolerance: + 0.5mm + 1mm + 1.5mm + 2mm
    2). Color: for the same ore export blocks, the same color plate product.
    3). Plate surface: no defects, such as black gallbladder, crack, ray, yin and Yang, stain, angle and so on.
    4). Processing: the horizontal section is smooth and straight, without burr, disintegration and angle missing angle and so on.
    Specification Strip:
    1. Dimensions: 60 heads, 70 heads, 80 heads, 90 heads and other sizes
    2. Quality control: width: 60 headboard selection more than 63cm, 70 headboard selection 73cm above, this analogy.
    3. Color: the same ore mouth, uniform color.
    4. Plate surface: flat pattern, color consistent, no black bile, cracks, rays, yin and Yang, pit and other obvious defects.
    5. Flatness: the flatness of the plate is not more than 0.5mm
    6. glossiness: a polished mask has a mirror gloss that can clearly reflect the scene, with a glossiness of not less than 80
    Black granite detail


    Shanxi black granite Quarry and block

    Quality Customized Size Black Granite Floor Tiles Polished Granite Countertop Tiles for sale
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