The introduction of black granite
Basalt is black granite is one of the important types of rocks. Color is more black or to black, fine grained dense block. The compressive strength of about 3500-5000 kg/cm2, has the strong acid, anti-wear, compressive, insulation performance. Basalt is a widely distributed in China, almost all geological age has output. Famous brand such as fuding black. Fujian fuding basalt ore national rare quality black granite basalt ore, stone material processing enterprises, more than 500 years of mining capacity of nearly 100000 m3. Orderly development, comprehensive utilization is the main direction of its sustainable development. Only when other varieties such as Mongolia black, etc. In addition, yunnan, heilongjiang of basalt stone mining also or are to be developed.
Gabbro is black granite important rock type, the color is black, the color is pure. Part of the white black flowers, stone varieties such as forest green (hebei, henan). Rock species mainly gabbro, diabase. However, from commercial purpose attribute to see, they are all in the naming of granite. Basalt is effusive rock, the color is more deep. Contains mineral particle uniform, fine, general visual to pick out varieties, even use a magnifying glass is not easy to distinguish. Basalt is the most widely distribution of igneous rock. Most of the basalt in volcanic eruptions, magma spurt in cold air, as lava flow rapidly solidified formation. Some basalt is intrusive rock, volcanic eruption, the lava not belch surface, in the earth's interior to meet cold coagulation.
Diabase, base sex intrusive rock light into phase rock, China is the black granite important rock type. Black granite brand such as taibai green. Taibai green also called shanxi black, in Japan that night rose, but with South African black, India black comparable, even is better than them. According to research, shanxi black main rock types are diabase, the so-called shanxi black A. In China, the best quality black granite is shanxi black A level, and the price is higher than any India produce of black high-grade granite to high. Shanxi black A contains the actual mineral composition: plagioclase 50%, multiple twin development; General - volatile augite 35%; A small amount of feldspar, about 5% or so, A small amount of mineral have amphibole, black mica, titanium magnetite, etc. According to the structure can be divided into the big flower, flower and fine spend three brand, and to the fine flower optimal. Similar varieties, and jiangsu heihe hebei PingShan evergreen, etc. Some shanxi black plate ground surface have some golden small point. Many manufacturers don't like it, so the quality of the plate price will be relatively low some. If you like this with a gold point black stone, and the price is reasonable, quality inspection qualified, no dye, then you will buy very economical. When you sell is shanxi black B level, you have to be very careful. It is not for export, because its surface grinding after photometric is bad, in a foreign country is not widely used.
About pure black hemp first error: all the pure black hemp granite is the same kind of material. But it's not, they may be in color, quality and price are very different.
For pure black hemp, as we all know is Sutareboda, a Swedish produce of black granite. This kind of mineral development for several years. In general, Sweden's most famous black granite is a named ebony stone. This kind of stone material hardness is very strong, high durability. After polishing, with a hammer and chisel hammer can send the metal clank. Of course this kind of stone is very expensive.
In 1962, South Africa deep black first from South Africa are exported to Italy, then the granite is called Nero Assoluto, Italian translation is pure black. Alternative name: South Africa ebony, South Africa black and prairie. South Africa produce granite many are rich in mineral small particles that looks and Canada produce of Cambrian black very similar, and those less black rock some mineral crystal, shining with the light of the silvery white like stars.
In the 1860 s, from Italy, Angola, China, India, South Africa, Zimbabwe and some other countries mining black granite is commonly called Nero Assoluto. So, unless the government has a particular characteristics, or you see a stone may come from any country.
In choosing chinese-made black granite rock, you have to be very careful, although these black granite because of its low price before a few years popular. However, the black granite may contain not pure color, some illegal manufacturers or processing chamber of commerce with oil or some other stain to cover these defects.
This approach can lead to granite faded, and the correct polishing is not. Cause the cause of fade it is stain or oil resolve. But the only solution is to polish the surface, but this method is very high cost. In order granite plate, want to know whether the color highlights, you can use the following method: take a clean piece of cloth, but some acetone in the granite surface, was wiping. If there is any residue or black appeared in the surface, that means the granite is the highlights color.
India in the 1860 s export high-grade pure black granite, to 70 s, in some memorable buildings, India pure black granite has been widely used, the big board exports also has increased dramatically. Best quality, reasonable price of pure black granite comes from the southern India. However, the granite some very delicate, such as bar man black, in some engineering use to take care of the protective measures, even kitchen table panel will be scratches or wear.
Overall, comes from the Warrangal area of pure black granite in color purity and hardness are quite good, polishing is very beautiful, can keep for a long time. Other origin such as Thai milner all region's big MaPiaoLi and Wallace tuor, antara pu pull ShiBang emperor of steam diagram, mann, bangalore camp near the karnak pula produce pure black granite is generally intermediate or high-grade.
The difference between marble and granite
Is the recrystallization of limestone, limestone in high temperature under high pressure become soft, and contains minerals in change to crystallization marble. The main component is calcium and dolomite, color many, usually have obvious pattern, many mineral grains. Marble pass is in high temperature and high pressure and mineral composite action by a kind of stone natural metamorphic into another kind of stone. Qualitative change may be recrystallization, texture change or color change, grain for pattern. Mohs hardness in 2.5 to 5 between, hardness is soft, suitable for metope and decoration.
Is mainly composed of quartz (35%), feldspar (45%) and potassium formation, generally for deep color. Calcite even contain also very few. It is very hard, than marble maintenance to easy, but there are still holes, which can generate a blur. According to the quartz, mica and feldspar mix ratio of columns, granite is divided into different types. Black granite is calcium feldspar, quartz, feldspar contains few, its composition is different from real granite. In the granite stone of decorative pattern for the performance of the banded or nodular, suitable to the ground.
Radiation: marble granite is smaller than the radiation.
Stone trade group of the United States mesa summary
Today by me to you a little about the American table panel general situation
The first is the classification of customers are basically three kinds of supermarket wholesalers and engineering contractor
The supermarket customers are mainly purchase toilet washstand and is installed with ceramic bowl together
Packing in cartons a carton and then into wood holder is usually walk forty feet large tank common width is 19 and 22 inches in length,31,37,43,49,61 25. Edge processing is generally ordinary straight edge, 1 long 1 short, then match 4 damper. Backboard and side baffle each a piece of another chamfer 61 are two other are one and the supporting installation of ceramic bowl
Generally a forty feet cabinet probably can hold 260 pieces this kind of product price is generally by set to quote
The guest consulting more is 682, blackish green linen, the drill.
The supermarket class customer do relatively successful is warburg you can go to their web site more about some information
Then say is wholesaler customers in the United States and China have building materials city local wholesaler usually two kinds to Chinese imports a large plate is mainly used for customization
Another is the standard bedplate standard mesa including countertop, island top, bar top
Countertop kitchen mesa is common size is 98 x25, 108 x25 edge processing is generally all bull nose edge, a long and short, then is 4 damper
Island top island plate sometimes I also understand for their table processing and kitchen mesa is consistent but is four side will processing not baffle common specification is 96 x36 ", 108 x36 "bar top is it bedplate common width is 16" is 4 side edge processing
Last year I also contact to the joint - countertop combination bedplate 78 "x25 two pieces of splicing up into L complex combination bedplate that is engineering single customer will require standard bedplate packing is packed in wooden cases 10-15 piece of a wooden case if you need to develop this kind of customer quotation can according to these size to quote wholesaler customers will cheap domestic granite more varieties to name a few is the American customers anyway is like yellow and black green you can according to their own advantages to offer next is engineering single customer and then the next step is to engineering single customer this kind of customers are generally will send drawings let us offer customize custom engineering single is actually very simple is see drawings to offer this should everyone! I will not say specific case can talk about
I generally said that at present the change of some engineering single it before two years words is generally will use 2 cm of the bedplate and then by using the superposition layer edge processing is 2 cm + 2 cm of that kind of but in some engineering single customer to switch to 3 cm of the bedplate 2 cm only be used in the baffle the but in some engineering single customer to switch to 3 cm of the bedplate 2 cm only be used in the main board is a complicated combination bedplate need to pay attention to some places a lot of combination bedplate length is more than 110 "general this kind of situation we must advise their customers back stick nets and play steel bar is mainly because plate is too long and want to dig holes easily broken is not only in the process of production sometimes in loading and unloading of the terminal will be prone to break so if meet this kind of list is best advice the client back stick nets and play steel bar I now client is as long as do combinations countertops have grooving that one must be posted net and playing steel bar you can according to the actual conditions and customers to negotiate this
Engineering single about such is the case
There is a packaging problem I mention
General do engineering single will require the goods to the destination door is residential area and the kind of place it is difficult to use large truck so you in and factory orders must be strictly control the weight of the box and the height of the floor beam
Basically weight not more than 1.8 tons of floor beam height control in 9 cm
This is my guest feedback to my information
Curbstone material characteristics on six characteristics interpretation and qualified index
Qualified granite slab, should achieve four physical performance indicators
Bulk density ≧ 2.56 g/cm3
Bibulous rate is ≦ 0.60%
Dry degree of compression (resistance) ≧ 100 mpa
The bending degree (buckling resistance) ≧ 8.0 MPa
Qualified marble slab, should achieve four physical performance indicators
Bulk density ≧ 2.60 g/cm3
Bibulous rate is ≦ 0.5%
Dry degree of compression (resistance) ≧ fifty mpa
The bending degree (buckling resistance) ≧ 7.0 MPa
What is compression strength, resistance of curbstone material?
Compressive strength is refers to the rock in the unidirectional compression case resistance ability damage.
The size of the compressive strength of the rock said hard degree.
Compression strength with MPa said, 1 MPa = 10.2 kg/c ㎡ (KGF/cm2)
A standard atmospheric pressure = 760 MMHG = 76 cm mercury column = 1.013 x 105 PASCAL = 10.336 meters water
In order to ensure standard atmosphere is a constant value, in 1954 the tenth international measurement
assembly resolution statement, regulation standard atmospheric pressure value is 1 standard atmosphere = 101325
Press the "JC205-92 natural granite building plank" standard, dry compression strength not less than 60.0 MPa.
Press the "JC79-92 natural marble building plank" standard, marble dry compression strength not less than 20.0
Generally speaking granite compression strength in the 110-245 mpa between, marble compression strength in
between 70 ~ 110 mpa
What is the bending strength, curbstone buckling resistance?
Bending strength before is equivalent to the "bending capacity, refers to a certain specifications of facing
plank in two point on the ability of resistance to fracture.
curbstone bending strength than the compressive strength is low, the test is about 1/14 ~ 1/8 of compression
strength. General draw compression strength can be roughly speculated that the bending strength. General
bending strength, the plate is not easy to fracture.
Press the "JC205-92 natural granite building plank" standard, bending strength not less than 8.0 MPa, press
"JC79-92 natural marble building plank" standard, the bending strength is not less than 7 MPa
Such as granite CenXiGong bending strength is 23.56 MPa, marble dandong green bending strength is 8.57 MPa.
What is the curbstone volume density and bibulous rate?
Volume density of curbstone material quality and the ratio of volume. The proportion of rock density said, let
major, in saw, grinding, polishing, cutting and processing in the process to have higher stability.
Water absorption rate is refers to the curbstone water absorbing capacity, reflecting the curbstone material
contained within the pore number, size and distribution and connected situation.
Rock bibulous rate is generally < 1.5%, < 0.5% can be regarded as resistance to weathering performance is good,
frost resistance or don't do frost resistance test.
What is the gloss?
Gloss is evaluation facing curbstone quality one of the important contents of, in addition to the design and
color and variety, it is the user to measure the quality of curbstone material according to the.
Press the "JC79-92 natural marble building plank" standard, marble mirror plate according to the chemical
principal component is different, glossiness minimum requirements (product) are not less than 70 and, and
Press the "JC205-92 natural granite building plank", glossiness minimum requirements shall not be less than 75
Natural Curbstone material characteristics and advantage analysis
Curbstone is a kind of high-grade building decoration materials, mainly is the adornment effect, Curbstone material is the earliest human
development history of building materials, there are tens of thousands of years of history, because of its natural beauty, decorated with
human of indoor and outdoor environment, in the ancient and modern, Chinese and foreign construction
History has left a lot of Curbstone building work.
1. The fire resistance
All kinds of Curbstone material is different, some Curbstone in high temperature, under the action of chemical decomposition happened.
(1) gypsum: more than 107 C in the decomposition.
(2) the limeCurbstone, marble: more than 910 c in the decomposition.
(3) granite: in 600 C due to uneven heating of mineral and crack.
2. Frost resistance
To degrees below zero and in frozen, internal pore water expansion than original volume big 1/10, rock if can't resist this expansion force
of what had happened, they will be failure. A prajna bibulous rate is less than 0.5%, they did not consider the frost resistance
3. Expansion and contraction
Curbstone material is also heat bilges cold shrink, but if heated after cooling, the contraction can't reply to the original volume, and will
keep part of the permanent inflation; The United States Arsenal have test by 00 c to 1000 c, then to 00 c, measure permanent expansion
0.02 - O. 045%.
4. Compressive strength
Of Curbstone material compressive strength due to mineral composition, crystalline degree of finish, the uniformity of cementing material,
load area, load effect and cleavage to factors such as the Angle, and different. If other conditions are the same, usually crystal grain size
is very fine and each other a bond
The density of the material, with high strength. Dense volcanic rocks in the dry and saturated moisture content, compressive strength and no
difference (bibulous rate is very low), if is porous and afraid of water, and the dry cement rock and damp the strength, there is significant
Building decorative Curbstone material is natural Curbstone and artificial Curbstone two categories, and natural Curbstone material is given
priority to, it is a kind of advanced decorative materials, mainly used for adornment grade demanding engineering, artificial Curbstone
belongs to low grades of decoration materials, only in the medium and low grade of interior decoration engineering.
The so-called marble is refers to the deposit or bad carbonate rock, marble, dolomite, limestone, sandstone, shale and SLATE, etc. As China's
famous white marble is Beijing fang shan magmatic produce of dolomite, yunnan marble is produced in large
In the marble, the famous dandong green is serpentine change silicon card rock. Also, as a Curbstone production all kinds of magmatic rock,
such as granite, andesite, diabase, green long rock and gneiss etc called granite. Such as Beijing white tiger gorge white flowers
The Curbstone is granite, jinan blue is gabbro, and Qingdao black granite is diabase.
Artificial Curbstone is a kind of synthetic decoration materials. According to the binder is different, can be divided into organic kind of
artificial Curbstone and inorganic kind of artificial Curbstone two kinds. According to the production process of a different process, and
can be divided into polyester type artificial marble, composite
Type artificial marble, silicic acid salt type artificial marble, sintering type artificial marble four types.
Marble is a little blue, also called BingNa G654. The little blue for the pingnan road development under a development of the new Curbstone
products in small sapphire Curbstone with small blue SPAR point is also called "blue star light". And because like import "rime ice flowers",
so it is the domestic "rime ice flowers" reputation. Mainly used for exterior wall, mesa, outdoor plaza (fire board). Is a building
decoration market four kinds of artificial decoration materials, organic class (polyester), the most common thing science, chemical
properties are the best.
Industrial restructuring for the stone industry
With the call for 'Low carbon, innovation, environmental protection' posed in 12th China International Stone Fair, stone industry begans to marching into modernization, and industrial restructruing bursts out.
According to this theme in the fair, contains the direction of future development of stone industry, which is also this 'influence the world power of China's stone industry - Top Ten Influential Enterprises' selection out of the development of enterprises with the notion. With this tendency, China crusher market and related stone industry are required to make differences to meet the society's demands. Fine jaw crusher, sand maker, hydraulic cone crusher,mobile crushing plant all show up. Nowadays, the competition in crusher industry pays more attention to development of energy saving cycle model, innovative products, developing the brand, to enter the capital market ... 'Green industry' becomes the top spot.
For survival in the industry restructuring, we must change the way development of the industry, two of which focus is industrial upgrading, adjusting industrial layout to meet the needs of urban development , to rely on products, technology and management innovation, from the traditional industry to modern stone industry development. New technology and new rule are necessary. Besides development of individual new machine, the whole production line such as stone production line, cement production line, sand making production line are also important. We must grasp the quality of stone crushing plant, sand maker, Raymond mill, cement mill and all others. In reality, produced by powder processing, is not only a major source of pollution stone industry, and because of the growing shortage of landfill sites, it has become limited the further development of the entire stone industry problems.
Marble staircases are typically noticed in historical and governmental properties . These built-in granite aspects include wonderful value to an out of doors dwelling area or backyard and provide an reliable perception of character that concrete does not. Out of doors granite home furniture and ornamental products dress in better in comparison to other components with its longevity and sturdiness. Some out of doors granite illustrations would be fireplace pits, benches, tables, fountains, and sundials. Yet another natural stone that is well-known to use outdoors is marble. Carved marble sculptures accomplished in equally realism and summary styles have been fixtures of gardens at any time given that gentleman first commenced carving marble. Granite and marble can be utilised in a range of methods that make daily life simpler with its very low preservation and higher longevity.
The 1st phase is looking for the finest value, you want to get a quotation from different suppliers this is critical simply because diverse suppliers have extremely competitive costs. The organization will give you an estimate dependent on the measurement, colour, and quantity of lower outs in the countertop, you also need to have to request for samples to look at and examine them with the inside d??cor of the space. The expense of granite fluctuate based on diverse factors like thickness, origin, edge treatment and color. The value is normally worked out in square foot and it could array from $20-$200 per sq. foot. Some locations may possibly cost additional, by the lineal foot to polish the edges of the granite.
One more factor to think about are the hues available, granite countertops arrives in a extensive variety of hues. The shade one chooses will rely on private preferences but it really is important to complement the coloration with the dominant coloration in the room. The color option can brighten or darken a space and if you are dropped for color then you can often go for the neutral colours. Prior to producing the acquire you require to pick your favored thickness, the frequent granite thickness is 2 or three cm also identified as ?? or the one inch. If you decide to go with the three cm you will pay out far more but you will want no plywood for support in contrast to the 2cm granite countertops. You also require to choose the edge that is protected and makes your countertop attractive. Flat edges can often have sharp edges, if you get a flat edge make sure to check the whole countertop for sharp locations. If you a sharp edge make certain they dull it ahead of they leave your property. Most folks favor the double round in excess of or complete bull nose edge simply because it is risk-free especially if you have kids. Other varieties of edges you can decide on are sq. Very last but not least you want a respected business who you can have faith in and depend on to supply the best granite counter tops.
Granite kerbstone curbstone
Lero,the biggest factory in Yantai of China,supply stone&granite materials,including kerbstone,curbstone,edge&border stone,mushroom,paving-slab,wallstone,block,sandstone,limestone,slate
etc.Process any customized size&finishes.
Kerbstone(Curbstone),found in road border and edge.Grey is main color.Lero own G341 quarries,can replace G603 in Xiamen.Lero supply various stone products,possess the biggest factory in Yantai.Process kerbstone-curbstone with any customized standard,size and finishes,including Bush-hammered,flamed,Sawn,Honed,Polished,Pine-appled,Natural etc.Products happen to be sold to Europe,America,Russia,The Middle East,Korea.
Paving-slab,utilized in park,building,square,road,highway etc.We can supply various colors and size granite-slab from China.We always give attention to procesing granite products and possess unique benefit of production and quarry.Any inquary,please
kindly contact us--www.lerostone.com.We gurantee best price&top quality.Lero-A Natural Granite Stone Exporter!
What's the kerbstone-curbstone
Kerbstone,another name is cubstone.Mainly used in road border or edge. China is main expor country of kerbstone and curbstone.In Shandong province of China,export G341,G343,G382 etc standard stone.Grey is main color with black and red point.There are lots of finishes and surfaces,such as polished,flamed,bush-hammered,sawn.Workers hit the granite stone with hammered,and stone machine sawn the huge grantite. Yantai and Qingdao port is main load port. Different kinds of kerbstone-curbstone according with EN-1343: RV,RF,GV,GF,A,B,V22,R17,V17,R15...
These standard are fit for EU. There are various materials and colors,for example, grey/red/white/black granite,and the kerbstone and cubstone's Physical characteristics of the material is folowing:
1). Natural density: 2.67+/- 0.02 T/m3 2) Water absorption: 0.22% 3) Dry compressive strength: 208+/ 6 N/mm2 4) Across vein tensile: 12.7 +/- 0.6 N/mm2 Kerbstone(curbstone) Features: 1)Available in European,especiallly North Europe styles
2)Made with materials originating from North China and our quarry is located in Yantai in Shandong province.
3)We also according to our clients ' designs for completion.
4)Surface finish:polished,flamed,bush-hammered,split,sawn,pine-appled,honed and so on.
5)Various products available: pavingstone,kerbstone,limestone,cubestone,cobble stone,steps,wallstone, granite entrance, block stair step,boarders,stone column and many carving or garden landscaping, just like stone postbox or birdbath,etc.
6)Good quality with very competitive price.
7)Package:Strong wooden pallets
Lerostone--One Natural granite stone exporter.