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Keda Grey Marble

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Keda Grey Marble

Marble

China

About

Item Details

Material Type:
Marble
Origin:
China
Recommended Usage:
Kitchen and bathroom countertops, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces
Additional Names:
Grey Breccia Marble, Keda Gray Marble, in China stone market:可达灰(Kě Dá Huī), Keda Grey Marble
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.1 - 0.3%

Description

Keda Grey Marble is a distinctive natural stone quarried in China, characterized by its earthy gray base and a dense, variegated pattern of irregularly shaped fragments. This marble's unique appearance and robust properties make it a favored choice for various architectural and design applications.

Physical & Mechanical Properties

  • Texture: Compact and crystalline, with a granular structure contributing to its durability.
  • Pattern: Features a dense, variegated arrangement of smaller and larger, irregularly shaped fragments, creating a dynamic and natural aesthetic.
  • Hardness: Typically ranges between 3 and 4 on the Mohs scale, indicating moderate hardness suitable for most interior applications.
  • Uniaxial Compressive Strength (UCS): While specific values for Keda Grey Marble are not available, similar Turkish marbles exhibit UCS values ranging from 100 to 200 MPa, suggesting comparable strength.
  • Density: Generally falls between 2.5 and 2.8 g/cm³, contributing to its substantial feel and durability.
  • Water Absorption: Typically low, around 0.1% to 0.3%, enhancing its suitability for wet environments.
  • Porosity: Low porosity, which aids in stain resistance and overall longevity.

Chemical & Mineral Composition

Primary Components: Keda Grey Marble is primarily composed of calcite (CaCO₃), with potential traces of dolomite (CaMg(CO₃)₂).

Minor Components: May include accessory minerals such as plagioclase, pyrite, and other opaque minerals.

Chemical Composition: Exact percentages can vary based on quarry location and specific deposit characteristics.

Usage & Applications

Keda Grey Marble's unique blend of aesthetic appeal and robust properties makes it a versatile choice for various design and architectural projects.

  • Interior Flooring: Ideal for living rooms, hallways, and bedrooms due to its aesthetic appeal and durability.
  • Wall Cladding: Adds a sophisticated touch to both residential and commercial spaces.
  • Countertops: Suitable for kitchen and bathroom countertops, offering a blend of functionality and elegance.
  • Staircases: Its strength makes it appropriate for both indoor and outdoor staircases.
  • Architectural Details: Perfect for columns, moldings, and other decorative elements.

Maintenance & Care

  • Cleaning: Use a soft cloth with mild, pH-neutral soap and warm water to clean surfaces. Avoid acidic or abrasive cleaners to prevent surface damage.
  • Sealing: Applying a penetrating sealer can enhance stain resistance, especially in high-traffic or wet areas.
  • Polishing: Regular polishing can maintain its luster, but over-polishing may lead to a slippery surface.
  • Protection: Use mats or rugs in high-traffic areas to minimize wear and tear.

FAQ

What is the thickness of the Keda Grey Marble window sills?

The thickness of Keda Grey Marble window sills can vary depending on the manufacturer or supplier. Common thicknesses for marble window sills are typically around 20mm (approximately 0.79 inches) to 30mm (approximately 1.18 inches). However, it is essential to check with the specific supplier or retailer for their available thickness options and any customization possibilities.

Can I use Keda Grey Marble as a fireplace hearth? Is it durable enough to withstand heat?

Keda Grey Marble can be used as a fireplace hearth, but there are several considerations to keep in mind with regard to its heat resistance and durability. Marble, including Keda Grey Marble, is generally heat-resistant enough to be used around fireplaces; however, there are a few factors to consider: 1. **Heat Resistance**: While marble can tolerate heat, it is more sensitive to thermal shock or extreme temperature changes compared to materials like granite or quartzite. Direct and intense heat exposure over time might lead to discoloration or damage. Its important to ensure that the marble is not exposed directly to open flame or extremely high temperatures. 2. **Sealing**: Marble is a porous stone, which means it can absorb liquids and stains. Regular sealing is recommended to protect it from potential soot, ash, or any spills that might occur around a fireplace. 3. **Maintenance**: Marble requires regular maintenance to keep it looking its best. Routine cleaning and occasional polishing can help maintain its appearance. 4. **Scratches and Chips**: While marble is often recognized for its beauty and elegance, it is softer compared to other stones like granite. This means it can be more susceptible to scratches and chips, especially in high-traffic areas. 5. **Aesthetic Consideration**: Marble provides a luxurious and classic look that is often desired for fireplaces, but its important to consider how it fits with your overall design preferences and the style of your home. In conclusion, if you choose to use Keda Grey Marble for your fireplace hearth, ensure its properly installed and maintained while being mindful of exposure to extreme direct heat. Consulting with a professional installer who has experience with marble can offer further personalized advice based on your specific situation.

If I place hot pots, pans, etc., on Keda Grey Marble tabletop, will it leave marks?

Placing hot pots and pans directly on a Keda Grey Marble tabletop can potentially leave marks or cause damage. Marble is a natural stone that is susceptible to heat and may suffer from thermal shock or develop discoloration if exposed to high temperatures. To protect your marble surface, its recommended to use trivets or heat-resistant pads when placing hot items on the tabletop.

What kind of surfaces should Keda Grey Marble have on stairs used in public buildings?

When selecting surfaces for Keda Grey Marble on stairs in public buildings, it’s important to consider safety, durability, and aesthetics. Here are some types of finishes that are commonly recommended: 1. **Honed Finish**: - This finish is smooth but not glossy, which helps maintain a level of slip resistance suitable for public spaces. - It provides a matte appearance that can help mask scratches and wear over time. 2. **Flamed Finish**: - A flamed finish is achieved by exposing the marble to high heat, followed by rapid cooling. This creates a rough, textured surface. - This texture increases slip resistance, making it safer for high-traffic areas like staircases. 3. **Sandblasted Finish**: - This involves blasting the marble with sand or other abrasive materials to create a finely textured surface. - It is less textured than a flamed finish but still provides good slip resistance. 4. **Brushed Finish**: - A brushed finish is created by treating the marble with a brushing machine, imparting a slightly worn, antique look. - This finish typically has a moderate level of texture, offering decent slip resistance. When designing public stairs, it is also critical to comply with local building codes and regulations, which may have specific requirements for slip resistance and safety. Proper maintenance should be implemented to keep the marble surface clean and in good condition, ensuring ongoing safety. Additionally, consider using contrasting strips or nosings on stair edges to enhance visibility and safety.

Can I use polished finish Keda Grey Marble for office staircase steps?

Yes, you can use polished finish Keda Grey Marble for office staircase steps. Marble is a popular choice for its aesthetic appeal and durability. However, there are a few considerations to keep in mind: 1. **Slip Resistance**: Polished marble can be quite slippery, especially when wet. For safety, you might want to add non-slip treads or consider a honed finish instead, which offers more traction. 2. **Maintenance**: Marble requires regular maintenance to keep it looking good. It needs to be sealed periodically and may be prone to staining or etching from acidic substances. 3. **Durability**: While marble is generally durable, it can be prone to scratching and chipping, especially in high-traffic areas like stairs. Ensure proper installation and care to extend its life. 4. **Aesthetic Consistency**: Keda Grey Marble can vary in color and veining. Make sure you obtain enough material from the same batch to maintain a consistent look throughout your staircase. 5. **Cost**: Marble can be more expensive than other materials, both in terms of purchase and installation costs. Consider your budget and whether marble is the best option. If safety and maintenance concerns are properly addressed, Keda Grey Marble can provide a sophisticated and elegant look for your office staircase.

Is Keda Grey Marble a suitable stone for making sculptures?

Keda Grey Marble can be used for sculptures, but there are several factors to consider before deciding if its the right choice for your project. This type of marble has a distinct appearance with its grey tones and veining, which can add unique visual appeal to a sculpture. However, consider the following points: 1. **Workability**: Marble is generally known for its workability compared to harder stones like granite. Artists and sculptors have been using marble for centuries because it is relatively soft and can be carved with precision. 2. **Durability**: While durable, marble is still softer than some other stones and can be susceptible to scratching, chipping, or weathering over time, particularly if the sculpture will be located outdoors. If the sculpture is intended for an indoor setting, this may not be as much of a concern. 3. **Appearance**: The grey color and veining of Keda Grey Marble can enhance the aesthetic of a sculpture, providing a more modern or contemporary look compared to traditional white marbles. 4. **Availability and Cost**: The cost and availability of Keda Grey Marble might influence your decision. If its readily available and within budget, it could be a viable option. 5. **Skill Level**: If you have experience working with marble, including grey varieties, then Keda Grey Marble may be suitable. However, if youre new to marble sculpting, consider starting with a material youre more comfortable with. In summary, Keda Grey Marble can be a suitable stone for sculpting, depending on the specific requirements and setting of your project, as well as your skill level and the stones availability.

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