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Place of Origin: China (Mainland)
Brand Name: oushun
Model Number:

Specifications

Horticultural vermiculite is a specially processing of expanded vermiculite, its main role is to increase the soil aeration and water retention. Because of their fragility, with the extension of the use of time, easy to lose soil aeration and water retention. The usage time of thick vermiculite is longer than thin vermiculite and the effect is better, so Horticultural vermiculite should choose thick and lamellar vermiculite, even if as small seed sowing medium and sowing covering,.
1. Vermiculite is a
micaceous material formed by the silicate material heated to high temperatures. In the process of heating water is rapidly losing, and inflating, The volume of the expansion is equivalent to the original 8-20 times, so that the material increases its aerationporosity and water retention capacity.
2. The bulk density of horticultural vermiculite is 130-180 kg / cubic meter, and neutral to alkaline (ph 7-9). Per cubic meter of Vermiculite can absorb 500-650 liters of water. After steam sterilization, it releases a amount of potassium, calcium, and magnesium.

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