Indonesia Pumice Stone Exporter

Gray Pumice Stone

Pumice stone is light porous acid volcanic rock having the composition of rhyolite, used for scouring and, in powdered form, as an abrasive and for polishing.

Pumice stone has a number of characteristics that combine to make it a valuable and versatile player in a variety of industrial processes and products.

Pumice is amorphous and generally inert, has a neutral pH, yet is hard enough to be used as an abrasive. Yet, because of its porous nature, pumice is amazingly lightweight.

The friable nature of pumice is one of its most significant characteristics meaning pumice is easily crushed and refined without loosing its utility: at any grade from half-inch aggregate to microfine powder-pumice remains abrasive, absorbent, non-compacting, lightweight.

Size of pumice sone: 1-3mm,3-5mm,5-10mm,10-30mm,30-50mm etc.

Application of pumice stone:

•  Industry abrasive
• Light weight aggregate
• Water filter media
• Hydrophobic agricuture and horticulture
• Head insulation filler

Properties:

* Pumice Stone has lots of holes.

* Weight is very light.

* Perfect intensity

* Heat preservation and thermal insulation, noice insulation.

* Fireproofing

* Corrosion and acid-base resisting

* Non-pollution and no radioactivity, environment protection

Spesifikasi :

Physical properties:

Volume-weight(kg/m3)                                                : 430-870

Water absorption                                                            : 11.7-17.03%

Loose volume-weight(kg/m3)                                    : 520

Cylinder pressure strength                                          : 1.218Mpa

Moisture                                                                           : 1%

Mechanical Intensity                                                     : 5.08Mpa

Heat conductivity coefficient w/(m.k)                       : 0.326

Soften coefficient                                                            : 0.84

Apparent density                                                             : Kg/m 3 640-860/(390*240*190)

Hollow ratio(%)                                                                       : 48/(390 *240 *190)