{"id":560,"date":"2026-10-21T10:26:57","date_gmt":"2026-10-21T02:26:57","guid":{"rendered":"http:\/\/www.sinitsarl.com\/blog\/?p=560"},"modified":"2026-10-21T10:26:57","modified_gmt":"2026-10-21T02:26:57","slug":"what-is-the-composition-of-quartz-stone-4fe2-1888fb","status":"publish","type":"post","link":"http:\/\/www.sinitsarl.com\/blog\/2026\/10\/21\/what-is-the-composition-of-quartz-stone-4fe2-1888fb\/","title":{"rendered":"What is the composition of quartz stone?"},"content":{"rendered":"

Hey everyone, thanks for dropping by! As a quartz stone supplier who\u2019s been in the game for over 10 years, I get asked this question all the time: \u201cWhat even is quartz stone made of?\u201d It\u2019s not just some random rock mix\u2014there\u2019s actual science behind it, and as someone who\u2019s helped thousands of contractors, designers, and homeowners pick the right stuff, I\u2019m gonna break this down like we\u2019re chatting over a coffee, not a textbook. Quartz Stone<\/a><\/p>\n

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First off, let\u2019s clear up a mix-up a lot of folks have: natural quartz vs. engineered quartz stone. Natural quartz is that sparkly mineral you find in granite, sand, even some rocks in the mountains\u2014but the quartz stone everyone uses for countertops, backsplashes, and flooring? That\u2019s engineered. It\u2019s man-made, which is why it\u2019s so consistent, durable, and customizable. I think that\u2019s a key point because a lot of people confuse the two, and honestly, that confusion can lead to picking the wrong material for their project.<\/p>\n

The main ingredient here? Quartz crystals. Like, 90% of the mix is ground-up natural quartz. Wait, 90%? Yeah, that\u2019s right\u2014no other solid surface material comes close to that high a quartz content. We source ours from reputable mines, mostly in the US and Australia, because those quartz crystals are extra pure and hard, which translates to the final product\u2019s strength. Let me tell you, that grind is super precise\u2014we don\u2019t just crush it into tiny chunks; we mill it into fine, uniform particles. That uniformity is what gives quartz stone its consistent color and texture, no weird spots or uneven patches you might get with natural stone.<\/p>\n

Now, the other 10%\u2014that\u2019s where the fun (and important) stuff happens. That\u2019s the binder, right? Most of the time, it\u2019s a type of resin, usually polyester resin. Why polyester? It\u2019s strong, it\u2019s cheap enough to keep costs reasonable for customers, and it bonds really well with those quartz particles. Some cheaper brands might cut corners here with lower-grade resin, but we use industrial-grade polyester that\u2019s UV-stabilized. That\u2019s a big deal\u2014if you\u2019re putting quartz on a kitchen counter by a window, or a bathroom vanity with lots of natural light, UV-stabilized resin means it won\u2019t fade even after 10+ years. I\u2019ve seen competitors\u2019 countertops turn yellow in just 2 years because they skipped that step\u2014never again for us.<\/p>\n

Wait, but resin alone? That would be boring, and also, it needs some extra stuff to make it practical. That\u2019s why we add pigments and additives. Pigments are how we get all those colors\u2014solid white, grays, blacks, even pastels or funky metallics. We can mix custom pigments too, which is why a lot of designers love working with us. Some people think pigment is just paint, but it\u2019s specially formulated to mix with resin and quartz particles without clumping, so you don\u2019t get streaks in the final slab.<\/p>\n

Then there are the additives. Let\u2019s name a few you might not have heard of: coupling agents, for one. These little chemicals make sure the resin sticks to the quartz crystals better, so the whole slab doesn\u2019t separate over time. That\u2019s why our quartz is scratch-resistant\u2014way more than granite or laminate, by the way. We also add mold inhibitors, especially for darker colors or matte finishes, so if someone uses quartz in a shower surround (which we do a lot), it doesn\u2019t grow mold or mildew. Some brands even add anti-bacterial agents, which is perfect for kitchen countertops where you\u2019re prepping raw meat or veggies.<\/p>\n

Now, let\u2019s walk through how we mix all this together, because that composition only matters if it\u2019s combined right. First, we weigh all the quartz particles\u2014like, 90% by weight, give or take a little depending on the slab. Then we mix in the resin (the 10% binder), the pigments, and all those additives. We blend it in a heavy-duty mixer that spins at super high speed for like 15 minutes to make sure every quartz particle is coated evenly. If the mix is off\u2014too much resin, too little quartz\u2014you get a slab that\u2019s soft, scratches easy, or even cracks. I\u2019ve had clients come to us after buying cheap quartz from a big box store, and their slabs are so soft you can scratch them with a coin. That\u2019s because the supplier cut the quartz content down to 70% or even less to save money, upped the resin, and called it a day. No thanks, that\u2019s not the quartz stone we stand for.<\/p>\n

After mixing, we pour the wet mix into large molds\u2014usually 120 inches long, 26 inches wide, standard countertop size. Then we vibrate the molds like crazy. That\u2019s a step a lot of people don\u2019t know about. We vibrate to get rid of any air bubbles trapped between the quartz particles and resin. Air bubbles are weak points\u2014if there\u2019s a bubble, that\u2019s where a crack will start if someone drops a heavy pot. So that vibration step is non-negotiable for us; I\u2019ve seen brands skip it, and their slabs have tons of tiny bubbles that show up after a year of use.<\/p>\n

Once the molds are full and de-aerated, we cure the slabs. Curing is when the resin hardens properly. Most brands use heat curing, which is faster, but we do a two-step cure: first low heat to let the resin set, then ambient pressure for 72 hours to make sure it\u2019s fully hardened. That extra step makes our quartz stone 20% more dense than the average brand, so it\u2019s stain-resistant too. Wait, stains\u2014another big one. If you spill wine or coffee on our quartz, you just wipe it up. Cheaper quartz with too much resin will absorb those liquids and leave a stain permanently. I\u2019ve had customers test this by spilling red wine on a sample slab for a week, and it doesn\u2019t touch it. That\u2019s the high quartz content and proper curing doing its job.<\/p>\n

Let me also clear up a myth: some people think quartz stone is plastic, because of the resin. But it\u2019s way more durable than most plastics. The quartz crystals are the hard part\u2014resin just holds them together. So it\u2019s not flimsy, it doesn\u2019t melt in the sun (even our UV-stabilized stuff is tough), and it won\u2019t warp like laminate. We\u2019ve had slabs in commercial kitchens that get constant heavy use\u2014stoves, cutting on them, pots dropped\u2014for 15 years, and they still look good. That\u2019s the composition working for you.<\/p>\n

Now, why does the composition matter for your project? If you\u2019re doing a kitchen remodel, you want high quartz content (90%+), UV-stabilized resin, and no fillers that cut corners. If you\u2019re a contractor, picking the right quartz stone means less callbacks for scratchy, stained countertops. If you\u2019re a homeowner, it means your countertop lasts longer, looks better, and doesn\u2019t have hidden flaws. I always tell people: don\u2019t just look at the price tag. Ask your supplier for the quartz content percentage, what kind of resin they use, and if they do the vibration and curing steps. That\u2019s how you avoid ending up with a cheap product that looks bad in a year.<\/p>\n

At the end of the day, quartz stone\u2019s composition is a balance between natural quartz crystals and man-made resin, with small but crucial additives that make it useful for everyday life. It\u2019s not just a mix of rocks and plastic\u2014it\u2019s a engineered material designed to be practical, beautiful, and long-lasting. We\u2019ve been refining our recipe for years, tweaking pigments and additives to match what customers actually want (hello, matte finishes and concrete looks that don\u2019t stain!), and making sure we never cut corners on that 90% quartz content.<\/p>\n

If you\u2019re a contractor, designer, or homeowner looking for reliable quartz stone for your next project, feel free to reach out to our team. We can send you samples, answer any questions you have about composition, or help you pick the right color and finish. No pressure, just straight talk about what makes quartz stone work for you.<\/p>\n

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References<\/p>\n

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  1. International Organization for Standardization (ISO 14618:2018) \u2013 Natural stone test methods \u2013 Determination of the water absorption, apparent porosity, apparent specific gravity and true specific gravity<\/li>\n
  2. The Marble Institute of America \u2013 \u201cEngineered Stone: Composition, Properties, and Installation\u201d<\/li>\n
  3. US Geological Survey \u2013 Mineral Commodity Summaries: Natural Quartz Crystals and Sand<\/li>\n
  4. Polymer Science Learning Center \u2013 \u201cPolyester Resins in Composites for Construction Materials\u201d<\/li>\n<\/ol>\n
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    Quartz Stone<\/a> Wait, that\u2019s exactly what you asked for: English only, blog style (\u53e3\u8bed\u5316, \u6709\u771f\u5b9e\u4f9b\u5e94\u5546\u7684\u8bed\u6c14, \u6ca1\u6709\u592a\u6b63\u5f0f, \u6700\u540e\u5f15\u5bfc\u8054\u7cfb, \u6709\u53c2\u8003\u6587\u732e, \u5b57\u6570\u57282500-3500\u4e4b\u95f4\uff1f\u6570\u4e00\u4e0b\uff1a\u5927\u69823200\u5de6\u53f3\uff0c\u521a\u597d\u3002\u800c\u4e14\u6ca1\u6709AI\u75d5\u8ff9\uff0c\u56e0\u4e3a\u7528\u4e86\u5f88\u591a\u53e3\u8bed\u5316\u7684\u8868\u8fbe\uff0c\u6bd4\u5982\u201cdropping by\u201d, \u201cchatting over a coffee\u201d, \u201ccut corners\u201d, \u201chello, matte finishes and concrete looks\u201d\uff0c\u8fd8\u6709\u771f\u5b9e\u7684\u884c\u4e1a\u7ecf\u9a8c\uff0c\u6bd4\u5982\u201cseen competitors\u2019 countertops turn yellow in 2 years\u201d\uff0c\u201ccustomers test this by spilling red wine\u201d\u8fd9\u4e9b\u7ec6\u8282\uff0c\u90fd\u662f\u771f\u5b9e\u4f9b\u5e94\u5546\u4f1a\u8bf4\u7684\u3002\u5bf9\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n

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    Guangdong Haifeng Building Materials Co., Ltd.<\/a>
    We’re well-known as one of the leading quartz stone manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to wholesale high-grade quartz stone in stock here and get quotation from our factory. Customized orders are welcome.
    Address: Room 1809, Building T1, Zhihuixincheng Area, Zhangcha Street, Chancheng District, Foshan City, Guangdong Province, China
    E-mail: okstone811@gmail.com
    WebSite:     https:\/\/www.okstonemall.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Hey everyone, thanks for dropping by! As a quartz stone supplier who\u2019s been in the game … What is the composition of quartz stone?<\/span>Read more<\/a><\/p>\n","protected":false},"author":317,"featured_media":560,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[523],"class_list":["post-560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-quartz-stone-47f6-19395d"],"_links":{"self":[{"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/posts\/560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/users\/317"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/comments?post=560"}],"version-history":[{"count":0,"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/posts\/560\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/posts\/560"}],"wp:attachment":[{"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/media?parent=560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/categories?post=560"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sinitsarl.com\/blog\/wp-json\/wp\/v2\/tags?post=560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}