Glory Star


  • Horticultural Grade Exfoliated Expanded Vermiculite For Gardening And Growing Seedlings

    Expanded Vermiculite

    The density of vermiculite is 2.4-2.7g/cm3 it begins expend when it is heated over 200℃, becoming the worm-like shape and it can be 15-25times bigger than the original volume,maximum 30 time. When it is rapidly heated to 800℃. This forms the material with low density(100-300㎏/m³), excellent insulation property and good hydroscopicity and ion exchange capacity. Because the vermiculite has a fine air barrier, it has excellent heat preservation performance.