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Quality Inspection for Sliver Vermiculite - Expanded Clay Pebbles as plants growing media – Kehui

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Quality Inspection for Sliver Vermiculite - Expanded Clay Pebbles as plants growing media – Kehui Detail:

1. Product name : Expanded clay 

LECA (Lightweight Expanded Clay Aggregate) is a aggregate made of expanded clay at average 1200 ℃ in rotary kiln, the

Yielding gases are expanded by thousands of small bubbles as long as this temperature and porosity will appear by many

voids and honeycombs at these round shape aggregates when melted materials become cold. LECA is a manufactured

aggregate which has many advantages compare with natural lightweight aggregate and since 1917 has used under

different brand name in USA and Europe countries.

2.Garden Clay Balls:

Lightweight Expanded Clay pebbles is a great growing medium for all plants. It provides excellent
drainage as well as moisture retention. Use it as a decorative mulch for potted plants, in ground plants, as an
add mix to containers, and as a bottom layer for drainage. It is also widely used in hydroponic growing and is pH neutral. The pores in the stones store water and release water when required therefore providing an excellent environment for root development. Ideal for roses, orchids and all types of fruits and vegetables
Light expanded clay aggregate, also commonly referred to as “grow rock”, is ideal for indoor hydroponic growth because of its neutral properties - Garden clay pebble has no acid or alkaline characteristics.

3. Advantage

LECA has many advantage for agriculture and landscapes, it is used as a growing medium in Hydroponics systems, and

blended with other growing mediums such as soil and peat to improve drainage, retain water during periods of drought,

insulate roots during frost and provide roots with increased oxygen levels promoting very vigorous growth. LECA can mix

with normal sweet soil in order to reduce the weight of plants and landscapes soils.

4. Specification of LECA 

Nature

Item

Result

 

 

Chemical Results

 

 

 

 

        Size Range                    

                 4-20mm                                

The main material

high quality of clay

SiO2

55-60%

Al2O3

5-10%

Fe2O3

15-20%

CaO

3-5%

K2O

1-3%

 

Nature Item Result
    

Physical property

 test results

Particle Size 4-20mm
The maint material Clay
Apperance Ball
Surface Density 1.1-1.2g/cm3
Bulk Density 350~400kg/m3
Rate of Floatage 90%
The sum of damage rate & Wear rate 3.0%
Accumulation porosity 20%
Hydrochloric acid can let rate 1.4%
Friction loss rate 2.0
Compression strength 3.0-4.0
Water Absorption 7%
Particle composition 60-63%

Product detail pictures:

Quality Inspection for Sliver Vermiculite - Expanded Clay Pebbles as plants growing media – Kehui detail pictures

Quality Inspection for Sliver Vermiculite - Expanded Clay Pebbles as plants growing media – Kehui detail pictures

Quality Inspection for Sliver Vermiculite - Expanded Clay Pebbles as plants growing media – Kehui detail pictures

Quality Inspection for Sliver Vermiculite - Expanded Clay Pebbles as plants growing media – Kehui detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" may be the persistent conception of our organization to the long-term to build together with shoppers for mutual reciprocity and mutual advantage for Quality Inspection for Sliver Vermiculite - Expanded Clay Pebbles as plants growing media – Kehui , The product will supply to all over the world, such as: America, Peru, United States, Our experience makes us important in our customer eyes. Our quality speaks itself the properties like it do not tangle, shed or breakdown, so that are our customers will always be confident while placing an order.
  • The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Cherry from Cape Town - 2018.07.12 12:19
    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
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