Pumice Stone Chemical Composition

Company Name : UD.SWOTS POTS

Address : Arya Banjar Getas Street, Gang Lele, Green Palm Residence, Number B5, Mataram City, Nusa Tenggara Barat Province, Indonesia, Post Code: 83115

Phone / Whatsapp : +6287865026222

Lombok Pumice Stone Mining Indonesia

Pumice Stone Supplier From Indonesia

The chemical properties of pumice

Pumice Stone Chemical Composition:

• SiO2 : 60.00 – 75.00 %
• Al2O3 : 12.00 – 15.00 %
• Fe2O3 : 0.90 – 4.00%
• Na2O : 2.00 – 5.00 %
• K2O : 2.00 – 4.00 %
• MgO : 1.00 – 2.00 %
• CaO : 1.00 – 2.00 %
• Other elements: TiO2, SO3, and Cl

Other info :

• Loss of glow (LOI or loss of ignition): 6%
• pH : 5
• While the physical properties are:
• Bulk weight: 480 – 960 kg/cm3
• Water absorption (water absorption): 16.67%
• Specific Gravity: 0.8 gr/cm3
• Sound transmission: low
• Compressive strength to load ratio: high
• Thermal conductivity: low
• Fire resistance: s.d. 6 hours