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Pumice Washing Stone
   

Washing Stone

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Washing Stone

Our brand new equipment classifies pumice stone for light weight aggregrate in any desired size. We can accomplish all technical specifications required in any process.

 

 

 

This is used in the textile industry for prewashing jeans.

There are three sizes:
SW1 (70 - 50 mm)
SW2 (50 - 35 mm)
SW3 (35 - 25 mm)
The size to use depends exclusively on the manufacturer, but we can give you any size that you need.

TYPICAL CHEMICAL PROPERTIES

 
WP
BR
Silica
(SiO2)
71.75 70.90
Aluminium Oxide
(Al2O3)
12.33 12.76
Ferric Oxide
(Fe2O3)
1.98 1.75
Ferrous Oxide
(FeO)
0.02 0.64
Magnesium Oxide
(MgO)
0.12 0.09
Calcium Oxide
(CaO)
0.70 1.36
Sodium Oxide
(Na2O)
3.59 3.23
Potassium Oxide
(K2O)
4.47 3.83
Manganese Oxide
(MnO)
0.07 0.09
Titanium Dioxide
(TiO2)
0.11 0.14
Phosphorous Pentoxide
(P2O5)
0.008 0.015
Sulphur Trioxide
(SO3)
0.18 0.21
Combined Water
(H2O+)
3.71 3.88

TYPICAL PHYSICAL PROPERTIES

Refractive Index 1.5
Hardness (Mohs Scale) 6.0
Melting point 15000 C
pH Value 8.0
True Density (ISO 787.10) 2.313 (g/cm3)



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