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Sunny Gray 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, fireplaces, window sills
Additional Names:
Sunny Grey Marble, in China stone market:天际灰(Tiān Jì Huī), Sunny Gray Marble
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.15–0.30 %
Density:
2650–2720 kg/m³
Flexural Strength:
12–18 MPa
Compressive Strength:
85–110 MPa

Description

Sunny Gray Marble features a soft, light gray base color with subtle tonal variations. It is interspersed with delicate darker gray to brownish veining, forming a natural, flowing, organic pattern. The texture is fine-grained and smooth, typical of high-quality calcitic marble. When polished, it presents a refined, elegant surface with gentle depth; honed or brushed finishes create a softer, more contemporary appearance.

Pattern: The stone displays subtle, linear to slightly wavy veining, evenly distributed across the slab. The pattern is calm and balanced, making it suitable for large continuous applications without overwhelming the design.

Technical Specifications

  • Compressive Strength  ASTM C170 / EN 1926: 85–110 MPa
  • Flexural Strength  ASTM C99 / EN 12372: 12–18 MPa
  • Density / Bulk Density  ASTM C97 / EN 1936: 2,650–2,720 kg/m³
  • Water Absorption  ASTM C97 / EN 13755: 0.15–0.30 %
  • Abrasion Resistance  ASTM C241: Moderate
  • Mohs Hardness: 3–4

Chemical Composition (% by weight)

  • Calcium Carbonate (CaCO₃): 94–97%
  • Magnesium Carbonate (MgCO₃): 1–3%
  • Silica (SiO₂): 1–2%
  • Iron Oxide & Trace Minerals: <1%

Mineralogical Composition (% by weight)

  • Calcite: 90–95%
  • Dolomite: 2–5%
  • Quartz: 1–3%
  • Accessory Minerals: <2%

Usage & Applications

Sunny Gray Marble is suitable for:

  • Interior flooring
  • Wall cladding
  • Bathroom vanities
  • Countertops (light-duty use)
  • Staircases
  • Decorative panels
  • Hotel and commercial lobby spaces
  • Its neutral tone makes it ideal for modern, minimalist, and contemporary architectural designs.

Maintenance

Clean regularly with pH-neutral stone cleaner. Avoid acidic or abrasive products. Periodic sealing is recommended to prevent staining. Use protective pads under heavy furniture.

FAQ

How can I maintain Sunny Gray Marble kitchen countertop?

Maintaining a Sunny Gray Marble kitchen countertop involves regular cleaning and a few precautionary measures to preserve its appearance and longevity. Here are some tips to help you keep your countertop in excellent condition: 1. **Regular Cleaning:** - Use a soft cloth or sponge with warm water and a mild dish soap for daily cleaning. - Avoid using harsh chemicals, acidic cleaners (like vinegar or lemon juice), and abrasive pads, as these can damage the marbles surface. 2. **Sealing:** - Marble is porous, so it’s important to apply a sealer to protect from stains and etching. Check with the manufacturer for sealing recommendations. - Typically, marble countertops should be resealed every 6 to 12 months, depending on usage and the type of sealer used. 3. **Preventing Stains and Etches:** - Wipe up spills immediately, especially acidic substances like wine, coffee, and citrus juice. - Use coasters, trivets, and cutting boards to prevent direct contact with liquids, hot pots, and sharp objects. 4. **Avoiding Scratches:** - Use felt pads under appliances to prevent scratching when moving them. - Avoid placing sharp or heavy objects directly on the surface. 5. **Polishing:** - Occasionally polish the marble to maintain its shine. Use a commercial marble polish or a combination of baking soda and water applied gently. 6. **Tackling Stains:** - For stubborn stains, create a poultice with baking soda and water or a specialized stain remover for marble, applying it to the stained area and covering it with plastic wrap. Leave it for 24 hours, then rinse off. 7. **Repairing Damage:** - For chips or deep scratches, it might be necessary to consult a professional stone restorer to address significant damage. By following these maintenance steps, you can help ensure that your Sunny Gray Marble kitchen countertop remains beautiful and functional for years to come.

Is 3cm thick Sunny Gray Marble durable enough for use as walkway pavers?

The durability of 3 cm thick Sunny Gray Marble for use as walkway pavers depends on several factors, including the specific characteristics of the marble and the conditions of the environment where it will be installed. Sunny Gray Marble is a natural stone, and while it is known for its aesthetic appeal, it is generally softer and more porous than some other natural stones like granite. Here are a few considerations: 1. **Durability**: Marble is not as hard as granite, and it may be prone to chipping, scratching, and surface wear, especially in high-traffic areas like walkways. 2. **Weather Resistance**: Marble can be sensitive to weathering and may be susceptible to damage from freeze-thaw cycles if water is able to penetrate the stone and freeze. 3. **Maintenance**: Marble requires regular maintenance to keep it looking its best. It needs to be sealed periodically to protect it from stains and weather damage. 4. **Slippery Surface**: Polished marble can be quite slippery when wet, which could be a safety concern for walkway use. A honed or textured finish might be more appropriate. 5. **Load-Bearing Capacity**: You should ensure that the marble is installed on a solid, well-prepared sub-base to prevent cracking under load. In summary, while Sunny Gray Marble can be used for walkway pavers, its important to consider appropriate sealing, the type of finish to reduce slipperiness, and ensure a proper installation to enhance its durability. If the walkway will see heavy foot traffic or extreme weather conditions, you might want to consider a harder, more durable stone.

Does the surface of Sunny Gray Marble scratch easily?

Sunny Gray Marble, like most marbles, is a natural stone that is softer and more porous compared to other countertop materials like granite or quartz. This means it can be more prone to scratching and etching. Marble surfaces can scratch relatively easily when exposed to sharp objects or abrasive materials. To minimize scratching, its important to use cutting boards and avoid dragging heavy or sharp objects across the surface. Regular sealing and proper maintenance can also help protect the marble and enhance its durability. If youre concerned about scratching, consider using coasters, placemats, and trivets to provide an additional layer of protection.

Can Sunny Gray Marble be used for a fireplace mantel?

Yes, Sunny Gray Marble can be used for a fireplace mantel. Marble is a popular choice for fireplace mantels due to its natural beauty, durability, and ability to withstand heat. Sunny Gray Marble, with its elegant gray tones, can add a sophisticated and contemporary look to a fireplace. However, it is important to ensure that the marble is properly sealed and maintained to protect it from staining and damage due to exposure to heat and soot. Additionally, consulting with a professional installer familiar with natural stones can help ensure a successful installation.

Can Sunny Gray Marble be used for a commercial bar top?

Yes, Sunny Gray Marble can be used for a commercial bar top. Marble, including Sunny Gray Marble, is a popular choice for bar tops due to its elegant appearance and natural beauty. However, its important to consider a few factors before making your final decision: 1. **Durability:** Marble is relatively soft and porous compared to other stones like granite or quartz. It can be prone to scratching, staining, and etching from acidic substances. For a commercial setting, which might experience high traffic and heavy use, it’s important to apply a quality sealant to help protect the surface and plan for regular maintenance. 2. **Maintenance:** Marble requires regular cleaning and sealing to maintain its appearance and protect it from damage. Spills should be cleaned up promptly to prevent stains, especially with substances like wine, citrus, and coffee. 3. **Aesthetics:** Sunny Gray Marble has a unique and attractive aesthetic, with its gray tones and veining providing a sophisticated and stylish look. It can enhance the overall design of a commercial bar and create a luxurious atmosphere. 4. **Cost:** Marble can be more expensive than other materials, both in terms of initial purchase and long-term maintenance. Budget considerations should take into account both the cost of the marble itself and the upkeep it will require over time. 5. **Alternative Options:** If the potential downsides of using marble are concerning, consider using other materials for the bar top, such as granite, quartz, or engineered stone, which may offer more durability and easier maintenance. By weighing these factors carefully, you can make an informed decision on whether Sunny Gray Marble is the right choice for your commercial bar top.

Can 18 mm thickness Sunny Gray Marble be used for kitchen countertop?

Sunny Gray Marble with an 18 mm thickness can theoretically be used for a kitchen countertop, but there are several factors to consider before doing so: 1. **Durability**: Marble is a relatively soft and porous natural stone compared to options like granite or engineered quartz. It is prone to scratching, staining, and etching from acids found in common kitchen items like lemon juice or vinegar. Regular sealing can help, but doesnt completely eliminate these risks. 2. **Support**: An 18 mm thickness is relatively thin for a countertop, which traditionally ranges around 20-30 mm. Using a thinner slab may require additional support to prevent cracking or breaking, especially if there are seams or overhangs. Your fabricator might recommend reinforcing the countertop with plywood or metal supports underneath. 3. **Aesthetic**: While thin countertops can create a sleek and modern look, depending on your kitchens overall style and structure, they might not provide the desired aesthetic or may require an edged build-up to match surrounding cabinetry height. 4. **Cost and Maintenance**: Marble can be higher maintenance than other materials, requiring periodic sealing and careful cleaning with mild, pH-neutral cleaners. Consider whether youre willing to invest the necessary time and effort to keep it looking its best. 5. **Heat Resistance**: While marble can tolerate some heat, its not as heat resistant as other stones. It’s best to use trivets and avoid placing hot pots directly on the surface. Before deciding, it might be helpful to consult with a stone fabricator or kitchen designer to explore your options and understand the installation specifics for Sunny Gray Marble in your kitchen space.

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