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Preto Palmares Granite

Preto Palmares Granite

Black - Granite

Brazil

About

Item Details

Material Type:
Granite
Origin:
Brazil
Primary Color(s):
Black
Recommended Usage:
kitchen and bathroom countertop, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, water-jet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, fireplaces, window sills
Additional Names:
Black Palmares Granite, Nero Palmares Granite, Palmares Black Granite, Preto Palmares, Preto Palmares Granite
Finished Surface:
Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.15 - 0.3%
Density:
2680 - 2720 kg/m³
Flexural Strength:
12 - 15 MPa
Compressive Strength:
160 - 180 MPa
Stone texture:
characterized by a predominantly deep black to charcoal-gray background accented with subtle silver-gray crystalline minerals and fine granular movements distributed evenly across the surface. Its appearance is elegant and uniform, yet enriched by delicate reflective mineral flecks that provide depth and a refined shimmering effect under light, especially in polished finishes. The stone features a dense, compact, medium-grained crystalline texture with tightly interlocked mineral composition, contributing to its excellent durability and structural stability

Description

Preto Palmares Granite is a striking natural stone known for its deep black to charcoal-gray background, accented with subtle silver-gray crystalline minerals. This granite is quarried in Brazil and is recognized for its elegance and uniformity, enriched with reflective mineral flecks that shimmer under light. Below is a detailed description of its physical and mechanical properties, chemical and mineral compositions, usage, maintenance, cutting sizes, and available surface finishes.

Physical and Mechanical Properties

  • Water Absorption:Typically low, around 0.15-0.3%, making it resistant to moisture penetration.
  • Density:Approximately 2,680 - 2,720 kg/m³.
  • Flexural Strength:Generally ranges from 12-15 MPa, suitable for high-traffic flooring applications.
  • Compressive Strength:Normally between 160-180 MPa, which ensures high durability under pressure.
  • Hardness:Highly durable, with a Mohs hardness of about 6-7, making it resistant to scratches and abrasion.
  • Porosity:Low porosity, contributing to its stain resistance.
  • Slip Resistance:Depends on the finish; typically, polished finishes have a lower slip resistance compared to honed or flamed finishes.

Chemical and Mineral Compositions

Chemical Composition (% by weight):

  • Silica (SiO2): 65-75%
  • Alumina (Al2O3): 12-16%
  • Potassium Oxide (K2O): 3-5%
  • Sodium Oxide (Na2O): 3-5%
  • Calcium Oxide (CaO): 1-3%
  • Magnesium Oxide (MgO): 0.5-2%
  • Iron Oxide (Fe2O3): 1-3%
  • Others: Traces of other oxides and minerals

Mineral Composition:

  • Quartz: 30-40%
  • Feldspar: 40-50%
  • Biotite: 10-20%
  • Other Minerals: Trace amounts of amphiboles, micas

Usage

  • Interior: Ideal for countertops, flooring, wall cladding, and vanity tops due to its elegant appearance and durability.
  • Exterior: Suitable for exterior facades, paving, and even as a structural component in monuments due to its weather resistance.
  • Commercial: Often used in high-traffic areas like shopping centers, hotels, and office buildings for both aesthetic and functional purposes.

Maintenance

  • Requires routine cleaning with a mild detergent and water.
  • Sealant application is recommended to enhance stain resistance and maintain polish.
  • Avoid using acidic or abrasive cleaners.

Cutting Sizes (cm)

  • Typically available in slabs of:
  • 2 cm and 3 cm thickness
  • Standard slab sizes: Approximately 250-320 cm (length) x 150-200 cm (width)
  • Custom sizes can be cut based on specific project requirements.

Available Common Surface Finish Options

  • Polished: High-gloss finish that enhances the stone's reflective qualities and rich color.
  • Honed: Smooth, matte finish suitable for contemporary designs.
  • Flamed: Rough, textured surface providing excellent slip resistance, ideal for exterior applications.
  • Brushed: Provides a softly textured surface that retains some of the natural sheen.

Preto Palmares Granite, with its superior durability, aesthetic appeal, and versatile application, makes it an excellent choice for both residential and commercial projects.

FAQ

Can Brazil's Preto Palmares Granite be used exterior applications in cold climates?

Brazils Preto Palmares Granite is known for its durability and resistance to staining, which makes it suitable for a variety of applications, including exterior use. However, when considering its use in cold climates, there are a few factors to consider. Granite is generally resistant to freezing and thawing cycles, which makes it a good choice for cold climates. However, the specific climate conditions and the level of exposure to extreme cold temperatures and moisture might affect its performance. If the granite is properly installed and sealed, it should not be significantly affected by cold climates. It is always recommended to consult with a professional stone supplier or installer who has experience working with granite in cold climates. They can provide specific advice and recommendations based on the local climate and conditions to ensure that the Preto Palmares Granite will perform well in exterior applications.

Can Brazil's Preto Palmares Granite be used in a kitchen?

Yes, Brazils Preto Palmares Granite can be used in a kitchen. Granite is a popular choice for kitchen countertops due to its durability, heat resistance, and natural beauty. Preto Palmares Granite, with its black color and unique patterns, can add elegance and sophistication to a kitchen space. It is also known for its low porosity, making it relatively easy to clean and maintain. However, it is always recommended to consult with a professional to ensure that the specific granite slab is suitable for kitchen use, as different variations of granite may have different characteristics.

What is the coefficient of friction of Water Jet Cut Brazil's Preto Palmares Granite tiles?

The coefficient of friction of Water Jet Cut Brazils Preto Palmares Granite tiles is not provided in the question. The coefficient of friction can vary depending on various factors such as the surface finish, level of polish, and other conditions. It is recommended to contact the supplier or manufacturer of the tiles for detailed information on the coefficient of friction for the specific product.

Can Brazil's Preto Palmares Granite be used outdoors?

Yes, Brazils Preto Palmares Granite can be used outdoors. It is a natural stone that is known for its durability, resistance to weathering, and ability to withstand outdoor conditions. It is commonly used for outdoor applications such as paving, wall cladding, outdoor kitchen countertops, and landscaping.

What grade is Brazil's Preto Palmares Granite?

Brazils Preto Palmares Granite is considered to be a high-grade granite. It is known for its dark black color and consistent pattern, making it a popular choice for kitchen countertops, bathroom tiles, and other interior applications.

How thick is Brazil's Preto Palmares Granite slabs?

The thickness of Brazils Preto Palmares Granite slabs can vary, but the most common thickness options are typically 2 centimeters (3/4 inch) and 3 centimeters (1 1/4 inch). However, it is important to note that custom thicknesses may also be available upon request.

Can Brazil's Preto Palmares Granite be used in floor coverings?

Yes, Brazils Preto Palmares Granite can be used in floor coverings. Granite is a durable and versatile stone that is commonly used for flooring due to its resistance to wear, staining, and moisture. Preto Palmares Granite, known for its black color with white and grey veining, can add a sophisticated and elegant look to floors in residential or commercial settings. It is often used in kitchens, bathrooms, hallways, and other high-traffic areas.

Is Brazil's Preto Palmares Granite an expensive stone?

Brazils Preto Palmares Granite is generally considered to be an expensive stone compared to other granite options. The price of granite can vary depending on factors such as quality, rarity, and market demand. Preto Palmares Granite is known for its beautiful black color with subtle white veining, which adds to its desirability and the higher cost.

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