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G840 Granite

Granite

China

About

Item Details

Material Type:
Granite
Origin:
China
Recommended Usage:
Kitchen and bathroom countertops, 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:
Juparana Red Granite, China Multicolor Red Granite
Finished Surface:
Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.15% – 0.40%
Density:
2650–2730 kg/m³
Flexural Strength:
12–18 MPa
Compressive Strength:
170–200 MPa

Description

Texture & Visual Pattern

G840 Granite is known for its bold, painterly appearance — a natural canvas where colors sweep and collide like mineral currents frozen in motion. Its texture is:

  • Medium to coarse crystalline grain
  • High-density interlocking quartz–feldspar matrix
  • Distinct swirling patterns with dramatic movement
  • Multicolored palette including:

       - Deep reds Rich purples

       - Smoky greys

       - Carbon black streaks

       - Occasional cream–beige clouds

The overall impression is dynamic and luxurious, often chosen for projects that require a statement surface.

Physical & Mechanical Test Results

(Typical values for this granite type; final results vary slightly per block)

  • Density: 2,620–2,750 kg/m³
  • Water Absorption: 0.15% – 0.40%
  • Porosity: Very low
  • Compressive Strength: 150–220 MPa
  • Flexural Strength: 12–18 MPa
  • Mohs Hardness: 6–7
  • Impact Resistance: High
  • Weather Resistance: Excellent (suitable for exterior use)

Chemical Composition (% by weight, typical)

  • SiO₂ (Silica): 60–73%
  • Al₂O₃ (Alumina): 13–18%
  • K₂O + Na₂O (Alkalis): 4–8%
  • Fe₂O₃ + FeO (Iron Oxides): 2–5%
  • CaO + MgO: 1–4%

Trace minerals (biotite, amphibole, hematite, feldspar) are responsible for its red-purple tones and swirling motion.

Usage Applications

G840 Granite’s dramatic colors make it suitable for projects where a bold, artistic presence is desired:

Interior Applications

  • Kitchen countertops
  • Bathroom vanity tops
  • Flooring Feature walls
  • Fireplace surrounds
  • Tabletops and bar counters

Exterior Applications

  • Facade cladding
  • Paving
  • Outdoor steps
  • Monuments
  • Landscaping elements

Weathering resistance makes it ideal for both indoor and outdoor architectural work.

Maintenance

Even with its strength, proper care keeps it pristine:

  • Seal once every 12–18 months
  • Clean with pH-neutral stone cleaner
  • Avoid acids or bleach
  • Use cutting boards and coasters
  • Wipe spills immediately to avoid staining (common for polished surfaces)
  • Routine cleaning maintains shine and prevents dulling.

FAQ

Can 1.5 cm thickG840 Granite be used as a kitchen countertop?

Using 1.5 cm thick G840 granite for a kitchen countertop is possible, but it typically requires additional support to ensure durability and prevent damage. Granite countertops are often installed in thicker slabs, such as 2 cm (3/4 inch) or 3 cm (1 1/4 inch), because they provide better strength and stability. For a 1.5 cm thick granite slab, you would likely need to add a plywood substrate underneath to provide adequate support and prevent the slab from cracking under weight or pressure. In addition, edge treatments or build-up edges can be used to make the countertops appear thicker and provide additional support. If you choose to use 1.5 cm thick granite, consider consulting with a professional installer to ensure that the countertop is properly supported and installed to maintain its integrity and longevity in a kitchen environment.

How can I maintain G840 Granite commercial flooring?

Maintaining G840 Granite commercial flooring involves several key steps to ensure it remains clean and in good condition. Heres a guide to help you maintain your granite flooring: 1. **Regular Cleaning:** - **Dust Mopping:** Use a soft, dry dust mop or microfiber mop regularly to remove dust and debris. Avoid using brooms with stiff bristles that might scratch the surface. - **Damp Mopping:** Clean the floor with a damp mop using a pH-neutral cleaner specifically designed for stone flooring. Avoid using acidic or alkaline cleaners as they can damage the granite. 2. **Spill Management:** - Wipe up spills immediately to prevent staining. Use a soft cloth or paper towel to blot the spill and then clean the area with water and a pH-neutral cleaner. 3. **Sealant Application:** - Granite is porous and can benefit from regular sealing. Depending on the traffic and usage, consider sealing your granite floor every 1-2 years. Follow the manufacturer’s instructions for the best results. 4. **Protection:** - Use mats or rugs at entrances to minimize dirt and grit from being tracked onto the floor. - Place protective pads under furniture legs to prevent scratching or gouging when moving furniture. 5. **Avoid Harsh Chemicals:** - Do not use vinegar, bleach, ammonia, or other harsh chemicals, as these can damage the sealant and the granite itself. - Avoid abrasive cleaners and pads that might scratch the surface. 6. **Regular Polishing:** - Occasionally, you may polish the granite to maintain its shine. Use a granite polish product and follow the instructions carefully. 7. **Professional Maintenance:** - Consider hiring professionals for deep cleaning and polishing periodically, especially for high-traffic areas, to restore the granite’s natural luster and remove stubborn stains or scratches. 8. **Inspection:** - Regularly inspect the flooring for signs of damage, cracks, or wear, and address any issues promptly to prevent further deterioration. By adhering to these maintenance tips, you can keep your G840 Granite commercial flooring looking pristine and extend its lifespan.

Is G840 Granite a suitable choice for facades in cold winter climates?

G840 Granite can be a suitable choice for facades in cold winter climates, given its characteristics. Granite is generally known for its durability, resistance to weathering, and ability to withstand freeze-thaw cycles due to its low water absorption rate. These qualities make it a popular choice for external applications in cold climates. However, to ensure G840 Granite specifically is well-suited for your particular needs, consider the following factors: 1. **Porosity**: Low porosity is preferred to prevent water absorption, which can lead to freeze-thaw damage. 2. **Coefficient of Thermal Expansion**: Granite should have a low coefficient of thermal expansion to minimize cracking due to temperature changes. 3. **Finishing**: The type of finish applied to the granite can affect its performance. A rough finish may help prevent slipping and improve traction if the facade is part of a walkway. 4. **Maintenance**: Ensure that regular maintenance can be upheld to prevent any potential issues from arising due to environmental exposure. Before making a final decision, its advisable to consult with a structural engineer or a stone specialist who can provide specific insights on the performance of G840 Granite in your targeted application and climate conditions.

How can I repair the scratched surface of the G840 Granite steps?

Repairing scratched G840 granite steps involves a few steps to restore the surface. Heres a guide to help you through the process: ### Materials Needed: - Mild detergent - Soft cloth or sponge - Dry towel - Granite polishing powder or paste - Water - Buffing pad or a soft cloth - Stone sealant (optional) ### Steps: 1. **Clean the Surface:** - Begin by thoroughly cleaning the scratched area to remove any dirt, debris, or oils. Use a mild detergent mixed with water and a soft cloth or sponge. - Rinse the area with clean water and dry it with a towel to ensure no soap residue remains. 2. **Assess the Damage:** - Examine the scratches to determine their depth. Minor scratches can often be removed with polishing compounds, while deeper ones might require professional repair. 3. **Apply Polishing Powder:** - Purchase a granite polishing powder or paste that is suitable for your type of granite. - Follow the instructions on the product label for the best results. Typically, you’ll dampen the surface and sprinkle the polishing powder over the scratches. 4. **Polish the Surface:** - Use a buffing pad attached to a low-speed hand polisher or a soft cloth to gently buff the scratched area with the polishing powder. - Work in small circular motions and apply even pressure. This process may take some time to achieve a noticeable improvement. 5. **Rinse and Dry:** - After polishing, clean the area with water to remove any residual polishing compound. - Thoroughly dry the surface with a clean, soft towel. 6. **Seal the Granite (Optional):** - If desired, apply a stone sealant to protect the newly polished area and help prevent future scratches. Follow the instructions on the sealant for the best results. 7. **Regular Maintenance:** - To keep your granite steps in good condition, clean them regularly with a mild detergent and avoid abrasive cleaners or tools. ### Note: - For deep or extensive scratches, or if you are unsure about performing the repair yourself, consider consulting a professional stone restoration specialist. - Always test any polishing products on a small, inconspicuous area first to ensure compatibility with your granite.

Is G840 Granite with a polished surface good for house flooring?

G840 Granite, with its polished surface, can be an excellent choice for house flooring, depending on your specific needs and preferences. Here are some factors to consider: 1. **Durability**: Granite is known for its strength and durability, making it suitable for high-traffic areas. It is resistant to scratches and can withstand heavy use. 2. **Aesthetics**: A polished granite surface provides a sleek, glossy look, which can enhance the aesthetic appeal of your home. The natural patterns and color variations in granite can add a unique character to your flooring. 3. **Maintenance**: While typically low-maintenance, polished granite may require periodic resealing to maintain its shine and resistance to stains. Spills should be wiped up promptly to prevent staining. 4. **Slip Resistance**: Polished granite can be slippery when wet, which might be a consideration for areas prone to moisture, such as kitchens or bathrooms. 5. **Cost**: Granite flooring can be more expensive compared to other materials. However, its longevity can make it a worthwhile investment. 6. **Thermal Conductivity**: Granite can be cold underfoot, which might be a consideration based on your climate or if you prefer warmer flooring. Before making a decision, consider your household’s lifestyle, the specific location for installation, budget, and personal style preferences. Consulting with a flooring professional could also provide additional insights tailored to your particular situation.

Is G840 Granite a suitable choice for gravestones?

G840 Granite can indeed be a suitable choice for gravestones. Granite is a popular material for headstones due to its durability, resistance to weathering, and aesthetic appeal. The G840 Granite, like other types of granite, typically offers a good balance of hardness and beauty, making it well-suited for outdoor monuments that need to withstand the elements over time. When choosing granite for a gravestone, consider the following factors: 1. **Durability**: Granite is known for its long-lasting properties, which means the gravestone will remain intact for many years. 2. **Appearance**: The color and grain pattern of G840 Granite should complement personal preferences and the desired look of the gravestone. Its worth getting a sample or viewing finished products to ensure it meets expectations. 3. **Maintenance**: Granite generally requires little maintenance, which is ideal for gravestones since they are exposed to the weather year-round. 4. **Cost**: The price of different types of granite may vary, so its essential to confirm that G840 Granite fits within the budget. Overall, if G840 Granite meets aesthetic and financial requirements, it should be a good choice for a gravestone. It is always a good idea to consult with a memorial specialist or a stonemason to ensure the chosen material fits the specific project needs.

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