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OEM Supply Clay Pebbles For Aquaponics - expanded silver vermiculite – Kehui

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With our rich experience and considerate services, we have been recognized as a reliable supplier for many international buyers for Coated Mica Powder, Clay Pebbles For Plants, Black Phlogopite Mica Sheet, Welcome to visit our firm and factory. Be sure to come to feel free to get in touch with us in case you need any additional assistance.
OEM Supply Clay Pebbles For Aquaponics - expanded silver vermiculite – Kehui Detail:

Product information : Vermiculite

Vermiculite is a magnesium water inclouded aluminum silicate secondary metamorphic minerals of layered structure. 

It likes mica in form, and usually come from weathered or hydrothermal alterated black (gold ) Mica.

It will present a deflection shape after heat expansion and water loss,liking a leech pattern in form,so named Vermiculite. 

Vermiculite features 

Raw vermiculite will be expanded to many times when heated at 850-1100 °C, poisonless, odorless, corrosion-resistant, 

non-combustible, natural refractory properties, Good thermal insulation, low density, Heat-resistant, sound-proofing,

fire-proofing etc.

Chemical Properties : 

Item SiO2 MgO Fe2O3 Al2O3 CaO K2O H2O PH
Content % 37-42 11-23 3.5-18 9-17 1-2 5-8 5-11 7-11

Horticulture Vermiculite :

Vermiculite is an incredibly useful growing medium. Horticultural vermiculite can be used for many beneficial purposes

in the garden and can aid and assist in successful propagation, cuttings and plant raising.

One of the best uses of vermiculite is the plant propagation arena. Vermiculite is particularly useful when sowing fine to

very fine seed.Instead of covering the seeds with a covering of compost, which can be very heavy on tiny seeds and 

can also form a hard cap,making germination very difficult, a small quantity of vermiculite can be used. 

This is very light and presents no restriction or check on growth,the seedlings can easily break the surface and, because

of the lightweight granular texture of vermiculite,it does not form a cap on the top of the growing container or seed tray.

Vermiculite has the following benefits

           Inorganic, inert and sterile                              Non abrasive                   Insulating 

           Ultra light weight                                             Free from disease, weeds and insects

           Slightly alkaline (neutralized with peat)          High cation-exchange (or buffering exchange)

           Excellent aeration characteristics                   High water holding capacity

Vermiculite is also used widely in seed and potting compost mix, as well as with container plant pots, 

      to provide a lighter, more friable compost mix.


Product detail pictures:

OEM Supply Clay Pebbles For Aquaponics - expanded silver vermiculite – Kehui detail pictures

OEM Supply Clay Pebbles For Aquaponics - expanded silver vermiculite – Kehui detail pictures

OEM Supply Clay Pebbles For Aquaponics - expanded silver vermiculite – Kehui detail pictures

OEM Supply Clay Pebbles For Aquaponics - expanded silver vermiculite – Kehui detail pictures


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  • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Edith from Salt Lake City - 2018.02.04 14:13
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