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Artificial Quartz Stone Slabs Ultimate Guide
Distinguishing With Nature Stone, Artificial Stone Is A One-Kind Stone That Is Made By Man. It Includes Artificial Solid Stone Material, Artificial Quartz Stone, Artificial Granite, And So On. Different Types Of Artificial Stone Are Not The Same. The Main Components Are Resin, Aluminum Powder, Pigment, And A Curing Agent.
Composition Of Artificial Quartz Stone Slab
Quote JG/T 463-2014, “Artificial Quartz Stone for Architectural Decoration” definition of an artificial quartz stone slab:
Using quartz grain or silica sand as the main filler, other functional materials can be added, the decorative plate obtained by mixing, forming and curing with the bonding material.
Therefore, there are two main fillers: quartz grain and silica sand.
Quartz, mainly silica, has a glass luster, the fracture has a grease luster, same mineral as ordinary sand and crystal, is one of the most widely distributed minerals on the earth, There are also many types.
When the silica crystal is perfect, it is crystal, after the dehydration of silica gel, it is agate, and the colloidal water of silica becomes opal after solidification. When the silica grain is less than a few microns, it consists of chalcedony and chert.
Pure quartz is colorless and transparent, and the color seen is mainly due to the presence of trace pigment ions or small and dispersed inclusions.
In addition to quartz, there is unsaturated polyester resin, glass particles (transparent glass and mirror glass), color paste, a curing agent, and a coupling agent. As shown in the following picture
Categories Of Artificial Quartz Stone Slab
1. According To The Color Or Veins
On the market, monochrome and two-color majority, more colors will generally appear fancy mottled, sell less, and become slowly rare. The other kind is the patterned one, which will be more expensive, include calacatta, carrara, and unique patterns.
The existing methods of forming patterns on the surface of artificial stone, include using engraving to form grooves, filling the grooves with artificial stone materials, and grinding away excess materials. Another molding method is to use the casting method, in which the artificial stone material is poured on the surface of the convex mold under pressure to form a groove.
Both methods cannot make the quartz stone material achieve a similar density to the plate when filling the groove. Therefore, the pattern is beautiful, the veins are not as hard as in other parts of the slab, but it make the slab look better.
2. According To The Crystal Size
There are two kinds: phanerocrystalline and cryptocrystalline, which, in human words, means crystals that can be seen by naked eye and those that can’t be seen
Phanerocrystalline structure: the naked eye can distinguish quartz crystal; Peg-jing: d > 3 cm; Giant crystal: d = 1 – 3cm; Coarse crystal: d=10~5mm; Medium crystal: d=2~5mm; Fine crystal: d=0.2~2mm; Microcrystalline: d=0.02~0.2mm
Aphanocrystalline structure: d<0.02mm, the naked eye can not distinguish mineral particles.
3. According To thickness
The common thickness is 15mm, 18mm, 20 mm, and 30mm, Different countries have different thickness preferences, such as 18mm for Brazil; 20mm and 30mm for richer countries like America, Canada; the thinner the slab, the higher the quality requirements, after all, the slab needs to bear weight.
Artificial Quartz Distinguish Between Good And Bad
The wholesale price of quartz stone slabs from China ranges from $30 to hundreds of dollars. The identification method is as follows:
1. Knife scraping for scratch resistance test
Quartz crystal is the hardness of natural minerals second only to diamond in nature, its surface hardness can be as high as Mohs hardness 7.5, much greater than the kitchen used in the knife, shovel, and other sharp tools, which will not be scratched, so if you use a knife or key to scrape, there are obvious scratches, which are inferior.
2. Burning for heat resistance test
Quartz stone has the property of high temperature resistance. Burn the quartz stone with a lighter for a while, and then scrub with water. The fire traces of high quality quartz stone can be wiped away.
Here is one thing that is important, do not put high-temperature stuff or a hot pot directly on the artificial quartz countertops, Although quartz stone can withstand 400 degrees or even higher, this has nothing to do with the countertops, The countertops are a composite material, and different materials of thermal expansion and contraction are not the same, High temperatures may directly lead to cracking or leave hot marks. The high-temperature resistance test in the national standard only scalds the stone for 20 minutes at a temperature of 180 ° C.
3. Stain Resistance
Pour soy sauce or ink to see whether the colors can sink to the inside, The mainstream online explanation is related to the quartz stone content, but I think the more confirmed reason is related to the surface processing degree.
With a simple test, the same slab, and a marker pen to draw on it, You will find that the marks on the back side of the artificial quartz are more difficult to wipe off!
As we all know, natural marble countertops are easy to get colored because of the nature of the stone—the pore structure, Artificial stone is the same. The countertop installation requires a polishing process, from coarse to fine, from dark to light, The sample surface in the store is also processed. The difference is the degree of polishing.
Artificial Quartz Stone Production Process
Process:
- Raw Material Acquisition
- Material Sorting
- Raw Material Mixture
- Stir
- Spread Materials
- High Frequency Vacuum Vibratory Pressure
- Heat And Solidify
- Constant thickness grinding
- Polishing
- Inspect
- Cutting to Size
There are two ways to make quartz stone:
One is the Pressed Slab, the quartz crystal is crushed and bonded together by high temperature and pressure, the density is high; the surface has no pores, and the oil is not leaking.
One is the Templated Slab, the use of mold pouring, small density, porosity, and leakage surface.
If the particles on both sides of the quartz stone slab are even, it indicates that it is a pressed slab made at high temperatures and is a high-quality stone. If the up-side particles of quartz stone are small and the back-side particles are large, also it means that the template is inverted and the stone is inferior.
This is another method of differentiation.
About Horizon
Horizon stands out as a leading manufacturer of artificial quartz slabs in China, proudly operating our own factory. We specialize in supplying top-quality quartz slabs to esteemed brand-owners, wholesalers, distributors, and fabricators worldwide. With our robust export capabilities, we consistently ship around 8,000 containers annually to over 50 countries, solidifying our position as a trusted global supplier.
Our products includes quartz calacatta, carrara, fine grain & diamond, pure colors, unique patterns.
Thickness: 12mm, 15mm, 18mm, 20 mm, 30 mm
Standard Size: 3200x1600mm(126×63 inch)
Smallest Size: 2800x1400mm(110.2×55.1 inch)
Biggest Size: 3500x2000mm(137.8×78.4 inch)
Surface: Polished
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