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Perlite 1L (0.5-1mm)
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Description
Horticultural perlite (also known as volcanic glass) is the result of exposing perlite ore to high temperatures (expansion), reaching up to 15 times its original volume. Widely used in horticulture, it possesses the following characteristics:
- Lightweight material with high porosity
- Aids in drainage
- Promotes root system development
- Acts as a filtering agent
- pH 6.5 - 7.5
CHEMICAL COMPOSITION:
SiO2 70-75%
Al2O3 12-15%
Na2O 3-4%
K2O 3-5%
Fe2O3 0.5-2%
MgO 0.2-0.7%
CaO 0.5-1.5%
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