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Name:Black granite-Gold Diamond Black
Cut to size etc.
d) :Tolerance of tinckness:
Processing:polished, honed, flamed, bush hammered, antiqued, etc.
International standed suitable for seaworthy transportation
G. W. :32kg/sqm(thickness:10mm)
We have owner black granite quarry and factory. Specialized maufacturer for tiles, slab, tombstone, cut to size for the project etc
I introduct the newest black granite-Gold Diamond Black, I hope seek the agent in your market. It boasts beautiful designs, excellent hardness, clean surface, homogeneous colors, whose shiny black contains some unique silver crystal spots, like stars in the evening sky, it is now the best potential substitute for black stone collections available on the market.
The quarry have three hill. Nearly about 1000 meter. The quarry cover 0.75KM2.
The granite have 77% plaginclase,13%pyroxene,7-9%olivine, less than 1% biotite,1%magnetite, less than apatite. Because feldspar and pyroxene, olivine alternate with collocate. So have the oolitic texture pattern.
The granite: anti-press intensity 1290KG/cm2
anti-fold intensity 280KG/cm2
shearing strength 427KG/cm2
water absorbtion 0.08%
acid resistance 99.87%
alkali resistance 100%
glassiness degree 105-120
specific radioactivity internal exposure index (Tra)1.18
external exposure index (Tr) 0.033
With excellent quality , punctual delivery and competitive price, we want to establish long term business relationship with you.