Pumice Grains



Pumice Grains are used extensively in the cosmetics industry in both facial and foot scrubs. The gentle exfoliating properties of pumice grains make them an ideal ingredient in exfoliating scrubs and cosmetic pumice products. Other applications for these products include textured plasters, the manufacture of lightweight acoustic panels and as an abrasive.

Technical Data Sheet

1. Product Name / Reference

Pumice Grains

2. Main Intended Use

Cosmetic Scrubs, textured paints, lightweight plasters, water filtration media

3. Chemical Description

This media contains no free silica

Compound Element Chemical Formula Typical Content
Silicon Dioxide SiO2 74.55%
Aluminium Oxide Al203 12.45%
Potassium Oxide K2O 4.50%
Sodium Oxide Na2O 4.00%
Ferric Oxide Fe2O <2.00%
Calcium Oxide CaO <2.00%
Magnesium Oxide MgO <2.00%
Titanium Dioxide TiO2 <2.00%
Sulphur Trioxide SO3 0.20%
Manganese Oxide MnO 0.10%
Carbon Dioxide CO2 0.10%
Ferrous Oxide FeO 0.06%
Phosphorous Pentoxide P2O5 0.005%
Combined Water H2O+ 4.35%

Determined by FAAS

4. Physical Properties

a. Bulk Density 0.41 – 0.55g/cm3
b. Melting Point 1200 oC
c. pH Value 7.0 – 8.0
d. Specific Gravity 2.40 g/cm3
e. Hardness 5.5 Mohs

5. Sizes Available

Grade Size
1/2 0.1 – 0.3 mm
1-1/2 0.1 – 0.4 mm
No.3 0.2 – 0.5 mm
No.4 0.4 – 1.0 mm
No.5 0.8 – 1.3 mm
No.6 1.2 – 2.4 mm
No.8 2.0 – 3.5 mm

6. Packaging

Packed in 22.68kg paper valve sacks and 500kg IBC big bags.

Water Filtration Yes
Odour Control Yes
Green Roof Systems No
Cosmetics Scrubs Yes
Dental Treatments Yes
PCB Scrubbing No
Glass Treatments Yes
Metal Finishing Yes
Lightweight Precast Concrete No
Odour Treatment No
Seawater Reverse Osmosis Yes
Automotive Polish No
Effluent Treatment Yes
Horticulture Yes
Construction No
Hand Cleaner Yes
Paints & Coatings Yes
Lightweight Plasters Yes

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