Leada Lotus Quartz sink is one of the most durable sink materials on the market today. add a look of elegance to a kitchen. These sinks not only offer numerous aesthetic benefits, but are strong, durable and practical as well. its ow has a high-density hardness. Coupling that with the filler polymers used to bind the composite materials together, makes for an extremely hard-wearing, stain, scratch and chip-resistant surface that ca withstand heat up to 535 degrees Fahrenheit.