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What should I do if I can’t distinguish between true and false quartz? 2020-10-20
What should I do if I can’t distinguish between true and false quartz?

A few tips to teach you!

When decorating cabinets and other home parts that require high rigidity, many families often choose unscratched, unworn, and incombustible quartz stone as the main plate, but the quality of quartz stone on the market is uneven. , Consumers often do not know where to start when choosing. The following will teach you how to identify true and false quartz stones to avoid being deceived.
What should I do if I can’t distinguish between true and false quartz?
Quartz stone countertop is a new-tech artificial stone synthesized from fine slabs. It has a variety of colors and has the texture and luster of natural stone. Quartz stone is a non-radioactive, reusable, environmentally friendly, green new building interior decoration material, so it is widely used in kitchen countertops, washstands, kitchen and bathroom walls, dining tables, coffee tables, windowsills, door covers and other fields.

The shiny and bright surface of the quartz stone has undergone more than 30 complicated polishing processes. Even after long-term use, the surface is as bright as the newly installed countertop. The real quartz stone countertop has the characteristics of high hardness, strong corrosion resistance, and high temperature resistance. Even if you use sharp tools such as a knife and spatula, the surface will not be scratched. It also has excellent corrosion resistance to acid and alkali in the kitchen, and also has high temperature resistance that other countertops such as artificial stone can't match.

In quartz stone, the higher the content of quartz, the lower the amount of resin, the better the quality, and the closer it is to natural, the less likely to be deformed. When the content of resin in the quartz stone is greater than 10%, it cannot be called a real quartz stone. Among the various products, how to distinguish the quality of quartz stone countertops and choose genuine quartz stone products is particularly important. How to distinguish true and false quartz stones, become a master purchaser, can be tested according to the characteristics of quartz.

Tip 1: Soak test with hydrochloric acid, etc.
What should I do if I can’t distinguish between true and false quartz?
In order to maximize profits, some manufacturers will dope calcium carbonate into the raw materials of quartz stone countertops. Calcium carbonate reacts with acid. If you choose this type of countertop, the countertop will easily change in later use. Therefore, when purchasing, you can take a sample plate and soak it in dilute hydrochloric acid or other acidic liquids. If the product contains calcium carbonate, it will react with the acid.

Weapon 2: Test the dirtiness

The surface and internal structure of high-quality quartz stone plates are equally dense and uniform, so the water absorption rate is low and the permeability is strong; and the imitation quartz stone with backward production equipment and technology is often limited to the appearance that looks similar, but the internal structure is loose and porous. , Weak penetration resistance, strong water absorption and dirt penetration. When purchasing, you can pour the soy sauce on the quartz stone countertop to check whether it will bleed. The low-quality quartz stone countertop will bleed in one day, and the high-quality quartz countertop will not.

Weapon 3: Check the wear resistance with a knife

The main component of quartz stone countertops is silica, which has the highest hardness. Quartz stones on the market are synthesized from quartz crystals and resin. Generally, the content of quartz is marked as about 93%. Therefore, the possibility of fracture is very small, and it is also relatively wear-resistant. The fake quartz stone has a high resin content, and the surface hardness will be relatively low, which is easy to scratch. When purchasing, you can try to make a stroke on the table with a knife.

Tip 4: Use fire to check heat resistance

Inferior quartz stone resin content is too high, heat resistance will also be reduced. Therefore, you can use this to burn the sample with a lighter, etc., and then see if there are traces on it.
What should I do if I can’t distinguish between true and false quartz?
How to identify the pros and cons of quartz stone

1. Hardness: The surface has a Mohs hardness of 7. The simple detection method is to use an iron sharp object to squeeze to observe the damage point without scratches.

2. High temperature resistance: 300℃. Place a stainless steel cup filled with boiling water on the countertop for 30 minutes, and the color will not change. Or put a lighted cigarette butt on the quartz stone and it will not change color.

3. Look for the trademark on the front of the quartz stone.

4. Environmental protection: It can provide green environmental protection certification tested by authoritative departments.

5. Fire resistance: 10mm×30mm quartz stone thin strips cannot be burned on an open flame.

6. Acid and alkali resistance: Use 3% hydrochloric acid solution or 100g/L citric acid solution, 30g/L sodium hydroxide or potassium hydroxide solution to corrode the surface, and there is no obvious visible change on the surface.

7. Water absorption: less than 0.04%. Sprinkle a little water on the surface of the quartz stone for 24 hours and observe that the color does not turn white.

8. High-quality quartz stone does not contain residual solvents and has no pungent chemical odor.

9. The back of high-quality quartz stone is printed with computer anti-counterfeiting code (that is, you are choosing the color number or code of the countertop stone).


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Top Quartz Specialist is a professional quartz stone distributor and manufacturer. As a well-respected, trusted company with an experienced team, we don’t just supply quartz slab, but also cut-to-size projects, always ensure in-time delivery with premium quality.

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