ExpNded Clay Agregates Flashcards by Alice Burr | Brainscape

Q

Expanded clay aggregates

Examples

A

Leica and Hortag

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Q

Expanded clay aggregated

Production

A

Clay is fired then expanded to produce round balls, smooth on outside and honeycomb in middle.

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Q

LECA

Advantages

A

Sterile
Non toxic
Inert
Resistant to algae
Can absorb up to 40% of own weight in water.
Frost resistant and good insulation properties.

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Q

LECA

A

Benching - 5cm layer in bench, keep moist to increase humidity.
Green roofs and roof gardens 1/3 LECA to compost.
Tropical indoor plants - use with ion exchange resin fertiliser in special container as growing medium.

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