How to know if you have bought a good quality granite composite sink?

Simply use this formula to calculate the density of your granite composite sink. Input the Length, Width, and Net Weight of your sink.

Total

Calculation result reference

This calculation result is for reference only. If you want to know the calculation logic behind it, please read this article.

How To Choose A Quartz Composite Sink By Using A Simple Formula

Single Bowl

Congratulation! You have a premium quality granite composite sink!

It’s a good quality sink and worth buying.

Sorry! This sink is not worth buying due to the low density!

Double Bowl

Congratulation! You have a premium quality granite composite sink!

It’s a good quality sink and worth buying.

Sorry! This sink is not worth buying due to the low density!

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The surface of the quartz sink is slightly rough and feels like stone. In fact, the quartz (granite) composite sink is made of 70-80% quartz sand and acrylic resin.

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Granite Composite Sink Buying Guide

This guide will tell you the tips to identify quality granite sinks(quartz sinks) and avoid being cheated by the manufacturers!