Core Technology
Core technology and some of the applications are patented in Japan
Other applications based on our technological solutions
Porous Alpha is made by burning of mixture of pulverized glass and foaming agent
Porous Alpha is a soda-lime glass composed mainly of silicon dioxide (silica), calcium oxide and sodium oxide
Physical characteristics are as follows
Visual appearance: Achroma or light green etc.
Odor: Odorless
True density: ca 2.5 g/c m3
Size density: 0.9～1.2 g/c m3
Grain size: 50～2,000 μm ( Median 700μm)
Grain shape: Abrasive infinite shape
pH: Max. pH 10.3 or pH 7(after water washing)
Solubility: Not identified
Softening temperature: 720～730℃(unresolved)
Volatile: not identified
Porous Alpha has three uniqueness which are the base for our diversified applications
The leaching test result of Porous Alpha
Result of leaching test based on “Environmental regulation on soil contamination”, 23 Aug. 1991, Ministry of Environment
Analyzed by Tottori health association, Jan 2008
