ASTM C – This test method is useful in indicating the differences in abrasion resistance between the various building stones. This test method also provides. Find the most up-to-date version of ASTM C at Engineering Cheap apparatus, Buy Directly from China Suppliers:ASTM C apparatus for abrasion resistance test of stone Enjoy ✓Free Shipping Worldwide! ✓Limited.

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Its unique c214 and the luminosity of its Skaleoneder crystals ensure its attractive appearance. Its uniquely pure marble structure allows minimal water absorption and make Covelano White Marble highly resistant to weather and frost. The small crystals in the marble are evenly distributed throughout the grain and optimally interlocked so that the stone is extremely resistant to pressure and cracking, yet at the same time translucent.

ASTM Test Machines

The hardness of its surface makes it very easy to polish, while the edges retain their regularity. The unusual chemical purity of Covelano White Marble also ensures that it produces no radiation. The origins and high chemical purity of Covelano White Marble ensure it is a radiation-free natural stone.


The rock solidifies during this transformation process and becomes much more solid and transparent than the original sediment. The main component is calcite, sometimes with small quantities of other minerals. The unique origins of Covelano V241 Marble underlie its development and solidity: The original material of Covelano White Marble dates back million years to the Triassic limestones formed by the sea sediments of a subtropical shallow sea.

Following the breakup of the Pangaea supercontinent and continental drift, the African continental plate together with the seabeds shifted thousands of kilometres northwards. Some parts were raised by hundreds of metres at least twice — a unique occurrence in geological history.

Bernhard Lammerer, a geologist and professor at the University of Munich, describes how Covelano White Marble from the Jennwandstock massif in the Vinschgau Valley South Tyrol, Italy experienced at least two major metamorphoses, resulting in its extremely high quality criteria:.

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In our marble factory in Silandro we use the latest technologies to realise individual surface refinements for special quality requirements:. The polished surfaces of Covelano White Marble clearly reveal its colour intensity astj noble structure: A polished surface also makes the marble easier to clean.


Dressing the surface of Covelano White Marble makes it smooth and slightly gleaming yet without any unevenness. The dressed surface produces a soft, velvety lustre. The dressed, subtly shining surfaces can be redressed if necessary.

ASTM C241 apparatus for abrasion resistance test of stone

It is a suitable alternative to smooth dressing if greater slip resistance is required. Composition Origins Technical Data Surfaces.

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