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C684 Granite

Granite

Cambodia

About

Item Details

Material Type:
Granite
Origin:
Cambodia
Recommended Usage:
kitchen and bathroom countertop, monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, window sills, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, pavers, cobbles, curbstone
Additional Names:
Cambodia C684 Granite, Cambodian 684 Granite, Wager Black Granite, Wager Black Granite, Ankor Galaxy Granite, Cambodian Sesame Black Granite, Cambodia Sesame Black Granite, Cambodia Impala Black Granite, Nero Cambodia Granite, Granit Noir Cambodia, Cambodia Black Granite, In China Stone Market:柬埔寨黑(Jiǎnpǔzhài Hēi), 柬埔寨芝麻黑(Jiǎnpǔzhài Zhīma Hēi), 柬埔寨684(柬埔寨684(Jiǎnpǔzhài 684), C684 Granite
Finished Surface:
Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.10 - 0.30%
Density:
2970 - 3030 kg/m³
Flexural Strength:
16 - 21 MPa
Compressive Strength:
190 - 220 MPa

Description

C684 Granite is a fine-grained, deep charcoal-black natural granite quarried in Cambodia. It is characterized by a sleek, uniform appearance with a rich black background, minimal veining, and a smooth, consistent crystalline texture, making it suitable for modern architectural and memorial applications.

Texture

  • Fine-grained, compact crystalline texture
  • Dense and relatively uniform structure
  • Smooth, consistent surface
  • Low visual variation between slabs, depending on the quarry block

Pattern & Appearance

C684 Granite has a deep charcoal to near-black background with subtle grey mineral speckling and very minimal veining. Its restrained pattern gives the stone a clean, sophisticated appearance.

Typical Technical Properties

Representative values for comparable Cambodian black granite; actual quarry test results may vary.

  • Apparent Density: 2,970–3,030 kg/m³
  • Water Absorption: 0.10–0.30%
  • Open Porosity: 0.2–0.6%
  • Compressive Strength, Dry: 190–220 MPa
  • Flexural Strength, Dry: 16–21 MPa
  • Flexural Strength, Wet: 13–17 MPa
  • Mohs Hardness: 6–7

Chemical Composition

Approximate composition by weight; values vary according to the mineral content of individual quarry blocks. ComponentApprox. % by Weight:

  • SiO₂: 65–72%
  • Al₂O₃: 13–16%
  • Fe₂O₃ + FeO: 2–5%
  • CaO: 2–4%
  • Na₂O: 3–5%
  • K₂O: 3–5%
  • MgO: 0.5–2%
  • TiO₂: 0.2–1%
  • Other oxides: <1%

Mineral Composition

Typical mineral composition may include:

  • Quartz: 25–35%
  • Plagioclase feldspar: 30–40%
  • Alkali feldspar: 15–25%
  • Biotite: 5–10%
  • Hornblende: 2–8%
  • Accessory minerals: <3%

The dark coloration is primarily associated with the proportion of dark ferromagnesian minerals and the fine-grained crystalline structure.

Recommended Uses

C684 Granite is suitable for:

  • Exterior wall cladding
  • Building façades
  • Flooring
  • Paving, Landscaping
  • Stairs and steps
  • Countertops and vanity tops
  • Kitchen surfaces
  • Monument and memorial applications, Tombstones and gravestones
  • Columns and architectural features
  • Custom stonework

Its low water absorption and high strength make it particularly suitable for exterior and high-traffic applications.

Maintenance

C684 Granite is relatively low-maintenance and resistant to weathering and staining.

  • Clean regularly with a pH-neutral stone cleaner.
  • Avoid strong acids and highly alkaline chemicals.
  • Wipe oil, coffee and other staining substances promptly.
  • Seal countertops and other exposed surfaces where appropriate.
  • Reseal periodically according to the application and sealer manufacturer's recommendations.
  • Avoid abrasive cleaning products that may dull a polished surface.

For exterior installations, ensure proper drainage and professional installation.

Note: Technical and chemical values should be confirmed with a quarry-specific laboratory test report before being used in project specifications.

FAQ

Can 3 cm thick C684 Granite pavers be used for a driveway?

When considering the use of 3 cm (approximately 1.18 inches) thick granite pavers like C684 for a driveway, several factors need to be taken into account: 1. **Material Strength**: Granite is a very strong and durable material, making it suitable for high-traffic areas including driveways. However, the thickness and bedding of the pavers are crucial factors for their application with vehicular loads. 2. **Thickness**: A general rule for driveway pavers is that they should be at least 6 cm (about 2.36 inches) thick to accommodate the weight of vehicles. Thinner pavers, such as 3 cm options, are not typically recommended for driveways, as they may not be able to withstand the pressure and could crack or move under the weight of vehicles. 3. **Installation Method**: Even if pavers are thick enough, proper installation is necessary to ensure stability and longevity. This includes preparing a suitable base, compacting, and using an appropriate bedding material. 4. **Traffic Load**: Consider the expected load. If the driveway will only support lightweight vehicles occasionally, the risk might be lower than in a driveway regularly used by heavier vehicles. If you decide to use the 3 cm thick granite pavers for a driveway, you should consult with a professional installer or a structural engineer to assess the specific requirements and potential reinforcement needed for your project. In many cases, opting for thicker pavers specifically designed for driveways is the safer choice.

How thick is a standard C684 Granite tactile paver?

A standard C684 Granite tactile paver typically has a thickness ranging from 2 to 3 inches (approximately 50 to 75 mm). However, the exact thickness can vary depending on the manufacturers specifications and specific design requirements. Its important to consult with the manufacturer or supplier to confirm the exact dimensions for your particular project.

How far apart should C684 Granite bollards be installed?

The spacing for installing C684 Granite bollards can depend on the specific requirements of the location and the intended function of the bollards. However, standard practice generally suggests the following guidelines: 1. **Pedestrian Pathways**: Typically, bollards are spaced to allow easy pedestrian access. A common spacing is about 4 to 5 feet (1.2 to 1.5 meters) apart. This allows people, including those using wheelchairs, to pass through comfortably while preventing vehicle access. 2. **Vehicle Access Prevention**: If the intent is to prevent vehicle access while allowing for emergency vehicle access if needed, bollards might be spaced around 3 feet (approximately 1 meter) apart. This spacing is typically narrow enough to prevent most standard cars from passing through while allowing for pedestrian and bicycle access. 3. **Security Purposes**: For high-security areas where vehicles must be completely prevented from passing through, bollards might be spaced closer together, sometimes less than 3 feet apart, depending on the specific requirements and potential threats. It’s important to check any local regulations or standards that may apply, as these can dictate specific requirements for bollard installation. Additionally, consulting with an architect or engineer could provide more tailored advice based on the function of the bollards and the specifics of the installation site.

Can C684 Granite be used as paving stone in areas with heavy snowfall in winter? Is it frost-resistant?

C684 Granite can generally be used as a paving stone in areas with heavy snowfall, as granite is known for its durability and resistance to extreme weather conditions. However, whether it is specifically suitable for your needs will depend on a few factors: 1. **Frost Resistance:** Granite is typically frost-resistant, meaning it can withstand freezing and thawing cycles without significant damage. It is important to check with the supplier or manufacturer if the C684 Granite variant has been tested and confirmed as frost-resistant to ensure it can handle the specific climate conditions of your area. 2. **Surface Finish:** For areas with heavy snowfall, a rougher surface finish, such as flamed or bush-hammered, is preferable. This helps provide better traction when wet or icy compared to polished surfaces. 3. **Maintenance:** Ensure regular maintenance and proper installation for optimal performance. This includes ensuring good drainage to avoid water pooling, which can freeze and lead to cracking. 4. **Local Conditions:** Consult a local expert or supplier familiar with the specific conditions in your area to ensure that the selected granite is suitable for outdoor use in harsh winters. In summary, while C684 Granite could potentially be used as a paving stone in snowy areas, it is crucial to verify its frost-resistance and suitability for the local climate and conditions.

Can 2cm thick C684 Granite be used for restaurant kitchen countertop?

Yes, 2cm thick C684 Granite can be used for a restaurant kitchen countertop, but there are several factors to consider before making a decision: 1. **Strength and Durability**: Granite is a natural stone known for its strength and durability, making it a good choice for high-traffic areas like a restaurant kitchen. However, the thickness of the slab contributes to its overall strength. A 2cm thick granite slab is generally considered thin for high-impact areas, and additional support such as plywood or metal brackets underneath might be necessary to prevent cracking or sagging. 2. **Support Requirements**: Since 2cm granite is thinner than the more commonly used 3cm slabs, it will need proper support to prevent flexing. This may involve reinforcing the cabinetry or installing additional bracing. 3. **Aesthetics**: Thinner slabs can offer a sleek, modern appearance, and the edges can be laminated to give the appearance of a thicker slab if desired. 4. **Cost**: Thinner slabs of granite might be slightly less expensive than thicker ones, depending on the supplier and the specific granite type. 5. **Maintenance**: Granite countertops require sealing to maintain their resistance to stains and damage, regardless of thickness. 6. **Regulations**: Check local building codes and health regulations to ensure that the chosen material and installation methods comply with safety and health standards for commercial kitchens. Given these considerations, while its certainly possible to use 2cm thick C684 Granite, ensuring proper installation and support is crucial to maintaining the countertops integrity and safety in a busy restaurant environment.

How can I repair the scratched surface of the C684 Granite steps?

Repairing scratched granite steps requires careful attention to detail to ensure that the surface is restored to its original condition without causing further damage. Here’s a step-by-step guide to help you repair the scratched surface of your C684 Granite steps: 1. **Clean the Surface:** - Start by cleaning the granite steps thoroughly to remove any dirt, dust, or debris using a mild granite cleaner and a soft cloth or sponge. - Rinse with clean water and dry the surface with a soft towel. 2. **Assess the Damage:** - Examine the scratches to determine their depth. Surface scratches can often be repaired more easily than deep ones. 3. **Gather Materials:** - Polishing powder or compound specifically designed for granite. - Polishing pads or sandpaper (with a grit range starting from 400 and going up to 3000 for finer polishing). - A variable-speed polisher or hand buffer. - Soft cloths for applying the polishing compound. - Stone sealer (optional, for protecting the granite after repair). 4. **Remove Minor Scratches:** - For light surface scratches, apply the polishing powder to a damp pad or cloth and rub onto the scratched area in circular motions. If using a polisher, set it to a low speed to avoid overheating. - Gradually work with finer polishing pads or sandpaper to smooth out the scratch, ensuring you blend the edges with the surrounding surface. - Continuously clean the area with water and dry it to check progress. 5. **Deeper Scratch Repair:** - Use progressively finer sandpaper, beginning with around 400-grit, and gradually moving to 800, 1000, up to 3000-grit. Always sand lightly, working in circular patterns. - Use water to help reduce dust and help the sanding process. 6. **Polishing:** - Apply a granite polishing compound using a soft cloth or a buffing tool. Work the polish into the stone using consistent circular motions. - Ensure the entire area is polished evenly to restore the granite’s shine. 7. **Sealing the Granite:** - Once satisfied with the repaired surface, consider applying a stone sealer to protect against future scratches and stains. - Follow the manufacturer’s instructions for application and drying times. 8. **Final Cleaning:** - Wipe down the steps with a clean, damp cloth to remove any remaining polish or sealer residue. - Dry the surface completely. **Additional Tips:** - Always test polishing compounds and sealers on a small, inconspicuous area first to ensure they do not discolor or damage the granite. - If the scratches are too deep or you’re not confident in doing the repair yourself, consider hiring a professional stone restoration service. By following these steps, you should be able to minimize or eliminate the appearance of scratches on your granite steps.

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