What is the high temperature resistance of quartz?

2019-07-03

The proportion of quartz in home decoration stone is getting higher and higher, especially the use of cabinet countertops is the most common in home decoration, and the problem of leakage is more obvious, such as bursting and partial discoloration.

Quartz stone plates are composed of more than 93% natural quartz and about 7% of colorants, resins and other additives to adjust adhesion and curing. The artificial quartz stone is formed by vacuum vacuum, high-frequency vibration molding, heating and solidification, its texture is hard, the structure is compact, and it is incomparable with other decorative materials (Mohs hardness above 6) and pressure resistance (density 2.0g/cubic). Cm), high temperature resistance (300 °C temperature resistance), anti-corrosion, anti-penetration does not contain any pollution sources and radiation sources, is a new green and environmentally-friendly artificial stone, quartz stone price is higher than other stone.

Speaking of this, many people will wonder that quartz stone plates can withstand high temperatures up to ≤300°. Why does the hot container directly on the table cause cracking and discoloration? Because the above-mentioned quartz stone plate material contains 7% of resin solvent, it is prone to heat up and shrink when it is exposed to high temperature. It is easy to crack or the bottom mark of the container due to sudden local heating, such as no expansion joints reserved during construction. Discoloration. Quartz stone manufacturers suggest that users should avoid the use of thermal insulation mats when direct contact with hot containers.


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