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Filstone Hard Grey Limestone

Filstone Hard Grey LimestoneFilstone Hard Grey Limestone
Filstone Hard Grey Limestone

Grey - Limestone

Portugal

About

Item Details

Material Type:
Limestone
Origin:
Portugal (Fatima, Ourém,Santarém District, Beira Litoral Province)
Primary Color(s):
Grey
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:
Filstone Grey Limestone, Filstone Grey M Limestone, Filstone Grey MI Limestone, in China stone market:费尔斯通葡米(Fèi ěr sī tōng pú mǐ), Filstone Hard Grey, Filstone Hard Grey Limestone
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
4.20 %
Density:
2400 kg/m3
Flexural Strength:
11.5 - 16.3 MPa
Compressive Strength:
65.0 - 112.7 MPa
Stone texture:
a fine- to medium-grained limestone distinguished by its earthy grey tone and subtle natural movement. The stone presents a calm, uniform appearance with discreet fossil traces and micro-textural variations, giving it a refined yet organic character. Its neutral color palette makes it highly versatile for both contemporary and classic architectural designs. Quarried in Fátima, Ourém, Santarém District, Beira Litoral Province, Portugal, this limestone is known for its solid mechanical performance and durability in architectural applications. Texture & Pattern: Grain size: Fine to medium Texture: Compact, natural limestone texture Pattern: Soft, uniform background with occasional fossil marks and natural fissures Visual effect: Elegant, understated, and architectural

Description

Filstone Hard Grey Limestone is a fine- to medium-grained limestone noted for its earthy grey tone and subtle natural movement. The stone provides a calm, uniform appearance with discreet fossil traces and micro-textural variations, contributing to its refined yet organic character. The neutral color palette makes it highly versatile for various architectural designs, both contemporary and classic.

Origin: Quarried in Fátima, Ourém, Santarém District, Beira Litoral Province, Portugal.

Physical and Mechanical Properties:

  • Water Absorption: 4.20%
  • Density: 2400 kg/m³
  • Flexural Strength: 11.5 - 16.3 MPa
  • Compressive Strength: 65.0 - 112.7 MPa
  • Hardness: Typically falls in the range of 3-4 on the Mohs scale for limestone
  • Porosity: Relatively low, contributing to its durability
  • Slip Resistance: Generally good, but can vary based on surface finish

Chemical and Mineral Compositions (% by weight):
While precise composition can vary slightly by quarry batch, typical compositions include:

  • Calcium Carbonate (CaCO3): 90-95%
  • Magnesium Carbonate (MgCO3): 2-5%
  • Silica (SiO2) and Alumina (Al2O3): Trace amounts
  • Iron Oxides and Other Minerals: Minimal, contribute to color variations

Texture & Pattern:

  • Grain Size: Fine to medium
  • Texture: Compact, natural limestone texture
  • Pattern: Soft, uniform background with occasional fossil marks and natural fissures
  • Visual Effect: Elegant, understated, and architectural

Usage:

  • Interior Applications: Flooring, wall cladding, bathroom vanities, kitchen countertops
  • Exterior Applications: Facades, paving, outdoor seating
  • Architectural Features: Building facades, feature walls, sculptures

Maintenance:

  • Regular cleaning with a mild pH-neutral cleaner
  • Sealing recommended to prevent staining and enhance longevity
  • Avoid acidic cleaners which can damage the stone

Available Surface Finish Options:

  • Polished: Smooth, reflective surface
  • Honed: Smooth, matte finish
  • Brushed: Textured, aged look
  • Bush-Hammered: Rugged surface for slip resistance
  • Sandblasted: Even matte texture with increased grip

Filstone Hard Grey Limestone's blend of aesthetic appeal, durability, and versatility makes it a highly sought-after material in both residential and commercial architectural projects. Its understated elegance and mechanical resilience offer a timeless solution suitable for a wide range of applications.

Technical Information

  • Apparent density: 2400.00 kg/m³
  • Open porosity: 10.20 %
  • Water absorption at normal atmospheric pressure: 4.20 %
  • Capillary water absorption: 12.40 g/m²·s⁰·⁵
  • Uniaxial compressive strength (dry conditions): 112.70 MPa
  • Uniaxial compressive strength after freeze–thaw test: 65.00 MPa
  • Flexural strength under central load (dry conditions): 16.30 MPa
  • Flexural strength under central load after freeze–thaw test: 12.40 MPa
  • Flexural strength under central load after thermal shock: 11.50 MPa
  • Volume change after frost cycles: 14.00 % (168 cycles)
  • Breaking load at dowel hole: 1550 N
  • Sound wave propagation (pulse velocity): 4.93 km/s
  • Rupture energy: 3.00 J
  • Abrasion resistance: 25.50 mm
  • Slip resistance in dry conditions – sawn finish (coefficient of friction ×100): 57.00
  • Slip resistance in wet conditions – sawn finish (coefficient of friction ×100): 58.00

FAQ

What is the coefficient of friction of Water Jet Cut Portugal's Filstone Hard Grey Limestone tiles?

The coefficient of friction of a specific type of tile, such as Water Jet Cut Portugals Filstone Hard Grey Limestone tiles, can vary depending on various factors such as the surface finish, texture, and specific composition of the tiles. It is recommended to consult the manufacturer or supplier of these tiles for the specific coefficient of friction information. They should be able to provide you with the necessary details regarding the slip resistance and coefficient of friction for their specific product.

Can Portugal's Filstone Hard Grey Limestone be used in a dining room?

Yes, Portugals Filstone Hard Grey Limestone can be used in a dining room. Limestone is a durable and versatile material that can be used for various applications, including flooring. The neutral gray color of the Filstone Hard Grey Limestone can complement different design styles and color schemes in a dining room. It can provide a sophisticated and elegant look to the space. However, its important to consider the specific requirements and maintenance needs of the limestone before making a final decision.

Can Portugal's Filstone Hard Grey Limestone be used exterior applications in very dusty climates?

Portugals Filstone Hard Grey Limestone can be used in exterior applications, including dusty climates. Limestone is a durable and versatile natural stone that can withstand various weather conditions, including dust. However, it is important to properly seal and maintain the limestone to protect it from the elements and prevent dust from accumulating on its surface. Regular cleaning and sealing will help to maintain the beauty and longevity of the limestone in dusty climates.

Can Portugal's Filstone Hard Grey Limestone be used indoors?

Yes, Portugals Filstone Hard Grey Limestone can be used indoors. Limestone is a durable and versatile natural stone that is commonly used for interior applications such as flooring, wall cladding, countertops, and fireplace surrounds. It adds a touch of elegance and sophistication to any indoor space. However, it is important to properly seal and maintain the limestone to ensure its longevity and prevent staining or damage.

Are there color variations of Portugal's Filstone Hard Grey Limestone?

Yes, there are variations of Portugals Filstone Hard Grey Limestone available in different color tones. The exact color variation can depend on the specific quarry from which the limestone is sourced. Some common variations include light grey, medium grey, and dark grey. These variations in color result from differences in the composition and mineral content of the stone, as well as the specific geological conditions under which it was formed.

Is Portugal's Filstone Hard Grey Limestone an expensive stone?

I do not have access to real-time pricing data. The cost of Filstone Hard Grey Limestone may vary depending on factors such as quality, size, thickness, and location. It is best to contact a local supplier or stonemason for an accurate price quote.

Customer reviews

Customer reviews

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Cor**** United Arab Emirates

Can you please advise if the Filstone Hard Grey is suitable for facade cladding with large slabs for a G+13 floor building in Saudi Arabia? And it is available in principle? Fixing would be mechanical on concrete and steel substructure. Where/ how could we get a sample?

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