When purchasing quartz stone, one of the most important factors to consider is the finish. The finish determines whether the surface will stain or absorb color over time. Quartz stone can be quite sensitive—just a small oil spill can leave a lasting mark. Here's a simple test you can do at the store: take a marker and scratch it onto the surface. If the mark wipes off easily, the stone is less likely to absorb color. If it doesn't come off, it's best to avoid that piece. Some manufacturers even label their products with codes on the back, so always check for these signs. Hardness is another key factor in determining the durability of quartz stone. A quick way to test this is by using a steel knife. If the blade scratches the surface and leaves a white mark, it might be a fake. Real quartz has a hardness of 7 on the Mohs scale, which means it's harder than steel. So when you scratch it with a steel knife, it should only leave a black trace, not a white one. This simple test can help distinguish between genuine and fake quartz. Quartz stone is made up of about 94% natural quartz and 6% resin, making it extremely durable and resistant to scratches. In comparison, granite countertops are typically made from marble powder and resin, with a hardness range of 4-6. This makes quartz significantly more scratch-resistant and long-lasting. Additionally, quartz stone has excellent heat resistance. It can withstand temperatures up to 300°C without warping or cracking, while granite is more prone to deformation or charring under high heat. Another advantage of quartz stone is that it’s non-radioactive. It’s composed mainly of non-radioactive quartz, making it safe for use in kitchens and bathrooms. On the other hand, granite may contain traces of naturally occurring radioactive materials found in marble, which could pose health risks over time. When inspecting a sample, keep in mind that granite often comes with a protective film on its surface. In contrast, real quartz stone doesn’t require any such coating. This makes it an ideal choice for kitchen countertops. High-quality quartz countertops usually use 100% premium aluminum powder, ensuring a smooth and durable finish. Here's a quick DIY test you can perform at home: pour a tablespoon of white vinegar onto the surface of the countertop. After 30 seconds, observe the reaction. If bubbles appear, it indicates the presence of calcium carbonate, which is common in lower-quality artificial stones or fake quartz. These materials tend to age faster, crack, and absorb stains, leading to a shorter lifespan. If the price per meter is below 700 yuan, it might be worth questioning whether it’s actually granite or a cheaper alternative. Extrusion Tube,Pvc Tube Mold,Pvc Extension Tube,Pvc Flexible Tube Wuxi Jierui Changkun New Material Technology Co., Ltd , https://www.plasticstrapsll.com