How to distinguish between true and false quartz stone

The following are several ways to distinguish between true and false quartz stones for reference:

1. Look at the price

The simplest way is to look at the price, because the quality of quartz stone is high, so its price is bound to be not low. If the price per linear meter of quartz stone you buy is lower than that of 700 yuan, you should carefully look at whether it is Shi Gang or quartz stone. 1One meter in 80 yuan or one meter above 200 yuan must be manned. Man-made hillock looks like quartz stone, but its hardness and oil permeability are poor, which is not environmentally friendly and toxic.

Look at the surface

It is very important to judge the quality of quartz stone, because smoothness represents the anti-pollution ability. The easiest way is to draw a picture on the quartz stone with a marker and see if it can be erased. If it can be erased, it means that it has strong pollution resistance; if it cannot be erased, it means that it has poor pollution resistance. It is recommended not to buy it. In addition, the quartz stone produced by regular manufacturers has code spraying on the back, so pay attention to the signs.

Look at the hardness

Hardness is also an identification of wear resistance. The simple method is to use a steel knife, but the key can't play the role of identification. Quartz stone is made of 94% timely and 6% resin, and its hardness reaches 7 degrees, while granite is made of marble powder and resin, so its hardness is generally 4-6 degrees. Simply put, quartz stone is harder, more scratch-resistant and more wear-resistant than granite. Press the lit cigarette butt on the table or light it directly with a lighter. What has no trace is genuine, and what has burnt trace is fake.

The steel knife crossed, leaving a white trace of fake quartz stone, because the hardness of the plate is not as good as that of steel, and the surface was cut by the steel knife, revealing the white inside. When the pure quartz stone is scratched with a steel knife, only black marks will be left. It is because the steel knife can't scrape the quartz stone, but it leaves traces of steel. One black and one white, true or false.

Step 4 look at high temperature resistance

Quartz stone, because of its own material characteristics, determines its high temperature resistance, and the temperature below 300 degrees Celsius will not have any influence on it, that is, it will not be deformed and broken. Shi Gang contains a lot of resin, so it is particularly easy to deform and carbonize at high temperature.

Step 5 test with acetic acid

High-quality quartz stone countertops are generally added with 100% high-quality all-aluminum powder, and a spoonful of white vinegar can make all inferior artificial stones and quartz stones show their true colors. But other kinds of vinegar are ineffective, such as aged vinegar. Pour a spoonful of white vinegar on the countertops of artificial stone and quartz stone. After 30 seconds, if there are many tiny bubbles, it means that it is fake quartz stone. Because calcium carbonate in fake quartz stone will react with white vinegar to produce bubbles. This kind of mesa is low in price, easy to age, crack and absorb color, and has a short service life.