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Leca consists of small, lightweight, bloated particles of burnt clay.The thousands of small, air-filled cavities give Leca its strength and thermal insulation properties.
The base material is plastic clay which is extensively pretreated and then heated and expanded in a rotary kiln. Finally, the product is burned at 1100 °C to form the finished Leca product.
| Product Name | Expanded Clay |
| Color | Brownish Red |
| Szie | 2-4mm,4-8mm,8-10mm,8-16mm,10-20mm,14-20mm,10-30mm |
| MOQ | 640 Bags |
| Characteristics | lightweight, uniform, pH neutral and re-usable. |
| Application | Horticulture,Agriculture,Industrial,Hydroponics,Construction |
Chemical Properties:
Physical Properties:
Expanded Clay Balls are made from 100% natural clay. They are clean, pH stable and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture and drip feed systems. Due to their unique structure and ability to cover a large surface area, they offer the ideal environment to foster beneficial bacterial growth around the root zone, leading to naturally healthier plants. Expanded clay can be directly used as horticulture growing media after washing clear.
- Growing media in cutflower and vegetable production
- Hydroponics substrate for interior landscaping
- Constituent for substrates for green roofs
- Hydroponics system vertical hydroponics tower gardern growing system.
- Plant flower balls decorated decorative gravel garden
- Horticulture Grade Expanded Clay Pebbles
Ningshu Service | High Quality, Good Service, Competitive Price, Delivery On Time |
Sample Policy | Free sample is ready on your request, you just need to pay the freight cost |
Customized service | All products size and package can be customized according to your requirements |
Payment Term | L/C, T/T, Western Union,Money Gram, Paypal, |
Trade Terms | FOB, CFR, CIF |
Aimee Wang
Website: www.ningshucn.com
Tel: +86 311 68002239 Fax: +86 311 68002239
Mobile/ WhatsApp/Wechat: +86 15531109506 Skype:NS-Aimee
Welcome to contact us if any query or suggestion, please don't hesitate to contact us!!
What is Expanded Clay ?
Expanded clay, also known as LECA (lightweight expanded clay aggregate), are formed from small round balls of clay which are heat treated, causing them to expand and become porous and are among the most popular grow media today. They are completely sterile and inert with a neutral pH. They can be sterilized, flushed and re-used and provide good root support, great drainage and aeration.
How to use Expanded Clay into Hydroponics / Aquaponics ?
Expanded Clay Balls are made from 100% natural clay. They are clean, pH stable and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture and drip feed systems. Due to their unique structure and ability to cover a large surface area, they offer the ideal environment to foster beneficial bacterial growth around the root zone, leading to naturally healthier plants. Expanded clay can be directly used as horticulture growing media after washing clear.
Why do we choose your company?
We have more than 5 years' experience in Expanded Clay produced, well-noted market knowledge, strict control system, high Company reputation, in time delivery, and stable quality make our old and new customers always choose us!
