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The most crucial reason to choose a sintered stone dining table is its wear-resistant surface, which boasts a Mohs hardness of 6-7. Additionally, it's easy to maintain and has natural antibacterial properties. Sintered stone has a water absorption rate of less than 0.05%, meaning its permeability is close to zero. This significantly reduces the possibility of dirt accumulation and prevents bacterial growth. Finally, sintered stone is highly resistant to high temperatures because it's fired at extreme heat during manufacturing.
When it comes to sintered stone dining table thickness, common specifications include:
3mm Sintered Stone + Glass Composite
6mm Sintered Stone + Glass/Solid Wood Composite
12mm Sintered Stone
3mm and 6mm thick sintered stone slabs are too thin to be used independently for a dining table. They must be reinforced by being bonded with other materials, most commonly glass. While this composite approach makes the table lighter, it introduces a potential issue: different materials have different coefficients of thermal expansion. This means that as temperatures change, the two materials expand and contract at different rates, which can create stress between them and increase the likelihood of cracking.
For this reason, it's generally recommended to choose 12mm thick sintered stone. This thickness provides sufficient inherent strength and durability for a dining table without needing a composite backing.
You might wonder if an 11mm sintered stone slab is legitimate. The answer is no, it's not fake if it comes from a reputable manufacturer. In the industry, sintered stone thicknesses between 11mm and 12mm are typically grouped together and considered part of the 12mm standard.
It's worth noting that 3mm ultra-thin sintered stone is quite specialized. Only a limited number of brands globally, including the top 6 domestic brands and a few manufacturers using System or Sacmi presses, have the technology to produce it. This specialized production often leads to higher prices for 3mm sintered stone + glass composite dining tables, making them a feature of more premium models. Counterintuitively, while thinner can sometimes be cheaper, for sintered stone, the thicker the slab, the more expensive it generally is due to the greater material and more intensive manufacturing process for a solid piece.
When it comes to the edging of a sintered stone dining table, the finishing details play a significant role in both aesthetics and the quality of the slab itself.
Here are the common edge forms for sintered stone tabletops:
Straight Edge : This is the simplest and most common edge, offering a clean, minimalist look.
Bullnose Edge ( literally "horse belly edge"): This edge has a gentle, rounded profile. It's softer than a straight edge and can reduce the sharpness, making it more child-friendly.
Round Edge : A fully rounded edge, often seen on circular or oval tables. It's the most challenging to achieve.
The complexity of shaping the edges directly reflects on the skill and machinery required, as well as the inherent quality of the sintered stone:
Round Edge > Bullnose Edge > Straight Edge
Beyond basic edge forms, you can also add specific details:
Chamfering : This involves cutting an angle or a curve off a corner. Common chamfer radii (the curve of the rounded corner) are 10mm, 20mm, 30mm, and 50mm. Chamfering softens sharp corners and can prevent chipping.
Beveling: Adding a sloped edge to the tabletop's perimeter. This significantly increases the processing requirements by another order of magnitude. It creates a refined and often more modern look.
A crucial takeaway: The better the quality of the sintered stone, the more capable it is of undergoing precise and intricate processing. Conversely, a lower-quality sintered stone is more prone to cracking or chipping during detailed cutting and shaping. So, the more complex the edge finish, the more confident you can be about the underlying quality of the sintered stone itself.
When selecting a sintered stone tabletop, one of the key aesthetic and practical decisions is whether to opt for a glossy (亮光) or matte (哑光) finish.
Understanding the Production Process:
Matte Finish: Sintered stone is inherently produced with a matte finish directly from the factory. This is its natural state after the high-temperature firing process.
Glossy Finish: To achieve a glossy surface, the sintered stone undergoes a secondary polishing treatment.
Impact of Polishing on Durability:
The polishing process, while creating a reflective surface, inherently causes a slight degree of damage to the surface layer of the sintered stone.
This surface disruption leads to a marginal reduction in its overall hardness.
Durability Comparison:
Glossy Sintered Stone: Due to the polishing process, glossy sintered stone is less resistant to wear and tear than matte sintered stone. While its Mohs hardness is still higher than that of metal, prolonged use can lead to the appearance of scratches. The reflective nature of the glossy finish can also make these scratches more noticeable.
Matte Sintered Stone: The matte finish retains the original, uncompromised surface hardness of the sintered stone, making it more durable and less prone to showing scratches from daily use. Its non-reflective surface also tends to hide minor imperfections better.
Recommendation:
For a dining table or countertop that will see frequent use, it is generally recommended to choose a matte finish. This will ensure better long-term resistance to scratches and maintain its aesthetic appeal for a longer period. While a glossy finish offers a sleek and modern look, its susceptibility to visible scratches makes it a less practical choice for high-traffic surfaces.
