Perlite is used as an active filler in paints, coatings and grouts. It is also used as an additive in textured coatings and plasters due to its lightweight and insulating properties. As it is inert and non-flammable it is extensively used in fire proofing and chimney lining applications. Perlite filter aids are used in the treatment of industrial effluents usually in a filter press system.
Technical Data Sheet
1. Product Name / Reference
Perlite
2. Main Intended Use
Textured coatings and lightweight plasters, industrial effluent filter aid, Horticultural Media
3. Chemical Description
Compound Element | Chemical Formula | Typical Content |
Silicon Dioxide | SiO2 | 73.20% |
Aluminium Oxide | Al203 | 15.12% |
Potassium Oxide | K2O | 4.95% |
Sodium Oxide | Na2O | 3.07% |
Ferric Oxide | Fe2O | 1.89% |
Calcium Oxide | CaO | <1.00% |
Magnesium Oxide | MgO | <1.00% |
Determined by FAAS
4. Physical Properties
a. Bulk Density | 0.055 – 0.105 g/cm3 |
b. Softening Point | 890 – 1100 oC |
c. Fusion Point | 1280 – 1350 oC |
d. pH Value | 6.5 – 7.5 |
e. Specific Gravity | 2.30 g/cm3 |
5. Sizes Available
Grade | Size |
MH05 | 0.01 – 0.50 mm |
MH10 | 0.30 – 2.36 mm |
MH15 | 0.15 – 3.00 mm |
MH25 | 2.00 – 3.30 mm |
MH35 | 2.00 – 5.00 mm |
MH16 | 1.00 – 6.00 mm |
6. Packaging
Packed in 100 litre sacks and 1000 and 1700 litre IBC big bags.
Water Filtration | Yes |
Odour Control | Yes |
Green Roof Systems | Yes |
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 |
Spill Media | Yes |