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Stone Blocs > Specifications
 

CEBTP of the 12th November 1990
CEBTP of the 12th December 1991

Stone identification :
Norme
NF B10 301
    NF B10 503
NF B10 513

1/ Mass (volumetric mass) : 2687kg/M3
2/ Porosity : 0.69%
3/ Sound velocity : 5760 Meters/sec
4/ Stripe testing : 0.60 mm
5/ Compression testing : 127.4 MA
6/ Hardness : 12.5 MA
7/ Frost weathering 240 cycles : Non weathering
8/ Colour : grey or bayadère

The Pompigan stone can be used in vertical sections, surging and or pier sections. This stone withstands alpine weather conditions and is ideal for coatings, flagging, In or outdoor staircases.
A complete and wide range of finished cuts are available (rough polished, polished, flamed, tooled, bouchardée). Mainly used by decorators or in restaurants in thin cuts with a polished or flamed finishing.

The Pompignan stone is a grey limestone varying to the batadère colour according to layers, with a fine compact second era grain, from the inferior cretaceous and Berrasian stage. One of its specifications is the presence of stylothites or small teeth like notches of various sizes, bound by horizontal lines. Theese stylothites give to the stone additional aesthetic value. The stone poishes well; keeps the ridge, does not chip, or weather with frost. The Pompignan stone keeps unimpaired and stays unaffected by air or water.
The layer formations simplifies or extraction processes. This is done with a diamond cutting edge either vertically or horizontally : allowing us to extract blocs sizing from 3 to 6 cubic metrers. Larger blocs could be realised.
Actual annual production is 500M3 but we have the capacity to easily double that amount.


Complete detailed technical charts and or stone samples are available on demand.
All weather use.