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Precautions for processing and installation of quartz stone countertop

Quartz stone countertop processing and installation pay attention to these aspects, to prevent cracking troubles.

Among many artificial stone products, quartz stone plate is 93% quartz sand powder as the main aggregate, 7% resin, pigment and other auxiliary materials are the main bonding materials. After mixing, it is formed by vacuum compression, curing and polishing. New stone made by other processes. Due to the high density and high hardness of the plate, the quartz stone has excellent scratch and stain resistance, scratching, infiltration, stain resistance, corrosion resistance, high temperature resistance, environmental protection, and direct contact with food. Therefore, it is independent of quartz stone manufacturers in artificial stone products, called quartz stone. However, the physical properties of quartz stone have slight thermal expansion and contraction, and there are certain mechanical properties such as shrinkage stress and impact toughness. When the material cannot withstand the internal stress caused by thermal expansion and contraction and severe external impact, cracking will occur. First look at the cause of joint cracking: quartz stone is a brittle polymer composite material, also has the characteristics of heat expansion and contraction, and also has certain mechanical properties such as shrinkage force, impact toughness, elongation at break, etc. Cracking occurs when subjected to internal stress caused by thermal expansion and contraction or severe external impact. Winter is a high season for cracking of countertop joints. The other is the flatness of the cabinet. When installing on the countertop, the cabinet should be adjusted to a uniform level. After a period of use, the cabinet should be checked and adjusted to avoid the cracking of the cabinet caused by the deformation of the cabinet.

Therefore, in order to ensure the quality of quartz stone products, in the processing and installation, you need to pay attention to the following points.

1.When designing the plane splicing, the physical properties of the quartz stone should be taken into consideration to avoid the consequences of joint cracking caused by thermal expansion and contraction or stress concentration. When selecting the connection position, the force of the plate must be fully considered. Avoid connecting at the corner or the mouth.
2. When designing the corner of the countertop, the stress concentration should be fully considered, causing the crack at the corner of the countertop. Therefore, the arc angle of the radius of 25mm or more should be maintained at all corners during processing.
3. When designing the opening position, the opening position should be greater than or equal to 80mm from the edge of the table to prevent the hole from cracking. The corner of the opening should be rounded at a radius of 25mm or more.
4. When the table top is installed, there should be a 3-5mm expansion and contraction gap between the table top and the wall to effectively ensure that the table top is not cracked due to thermal expansion and contraction.
5.Use the angle grinder to cut the joint. If the gap is large, you can take the required size strip from the bottom of the table. After grinding, insert the incision and use the original glue of the manufacturer to polish it. Cracking of the joint seam can not be directly repaired with other glue (cloud glue, glass glue), which may cause cracking after a long time, which is time consuming and laborious! The original resin glue of the plate manufacturer should be used best.

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