Supply Volcanic rock,lava stone - KBY11

Top quality volcanic filter with competitive price. We assure good reputation and steady customers are our eternal goal. - details see: https://www.buildingsupplieshub.com/supply-volcanic-rock-lava-stone-10036960

Type: Other Natural Stone	Place of Origin: Henan China (Mainland)	Brand Name: KBY	Model Number: KBY11
usage: filter

contact supplier for Supply Volcanic rock,lava stone

Volcanic filter was produced in USA. In China, the technique of hanging films is imported from abroad. Because of this techniques higher cost, so our scientific researchers invented the biological ceramsite to replace.

Nowadays, our scientific researchers have found volcanic mines which are suitable for processing volcanic filter. The procession processes include selection mines, breaking, sieving, grinding and other processes to make it into granulous filter. Its main composition is Si, Al, Ca, Na, Mg, Ti, Mn, Fe, Co etc, totally several dozens of minerals and micro minerals. It appears as unshaped granular, and looks like redish black brown, it has many holes and the density is very light, and its granular diameter can be adjusted to several kinds according to the requirement.

Characteristic	unit	Test results	Characteristic	unit	Test results
Volume weight	Kg/m3	740	specific surface area	m2/g	13.6-25.5
specific weight		1:1.29	pressure resistance	Mpa	5.78
water	%	0.9-1.0	cutting resistance	Mpa	3.98
porsity	%	73-82	friction wastage rate	%	1
removal of organism	%	80	Time begin to film	hours	27
Removal of COD	%	85	dissolution of HCL	%	1.0
removal of BOD	%	75-93	extraction	including little benificial mineral
removal of N and Ammonia	%	85	apperance	granule like balls