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Lightweight Expanded Clay Aggregate
As a new type of environmentally friendly material, Lightweight Expanded Clay Aggregate was mainly used in the construction industry at the beginning. It is a porous and lightweight particle formed by high temperature expansion of clay. It has a series of functions such as heat preservation, heat insulation, fire prevention, and earthquake resistance. It is now widely used in hydroponics, gardening and water treatment and other related fields. It has fetures below.
Grade / Size | 2-4mm 4-8mm 8-10mm 11-14mm 14-20mm 24-40mm or as required |
Unit Weight | 200-450kg/CBM |
Raw Material | Clay |
Color | Brown Red |
Application | Hydroponics Areoponics Wetland NFT system Flower potting Kitchen garden Roof garden Light weight concrete Construction backfill Vertical farm system |
Package | 50liter/bag or as required Lightweight Expanded Clay Aggregate |
1. Cheap price
2. Good water absoption
3. Good air permeanbility
4. Lightweight Expanded Clay Aggregate
5. Have natural color and colorful color for ornament


1 | Q: What is your MOQ? A: 10CBM |
2 | Q: What’s the most popular size clay pebbles? A: 10-14 mm and 14-20 mm |
3 | Q: Will it sink in water? A: Our clay pebbles is light weight, could not sink in water at first time, but after some time it will sink in water naturally. If want to make it sink quickly, you could use vacuum pump, only needs 5- 10 minutes could easily make it sink. |
4 | Q: What’s your regular package? A: The regular package is 50L/pp bag(woven bag) |
5 | Q: Can we do customized packing and printing? A: Yes, customized packing and printing is accepted. And price is based on the design pic |
6 | Q: Is the LECA you produce solely made of clay?Or mixture of other minerals? A: It is solely made of natural clay, no other composition. |
7 | Q: Can it be used for aquaponics system and hydroponics plants? A: Yes, we can show you pictures that our former client sent to us. |
8 | Q: Can we fill in one container with different sizes of clay pebbles? A: Yes, pls advice rate of each size, so that we can quote you respectively with exact price. |
9 | Q: Can it be used for construction? A: Yes, it is. |
10 | Q: Do you provide sample? A: Yes, we can offer you free sample within 500g. Delivery cost will be paid back to once you place bulk order. |

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