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Pumice Stone Chemical Composition

Pumice Stone Size 1 mm - 3 mm

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
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