Mineral wool plant substrate
AssigneeRockwool/Grodan B.V.
InventorsJacob Frank De Groot, Albert Willem Knop, Paul Jacques Louis Hubert Bouwens
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Abstract
Mineral wool plant substrate formed of a coherent matrix of mineral wool having 99.9 to 75 wt % mineral wool and 0.1 to 25 wt % of an organic substance. Clay may be included in the matrix. The matrix may be in the form of a pellet.
Claims3
A mineral wool plant substrate formed of a coherent matrix of mineral wool, consisting of 99.9 to 75 wt % mineral wool and 0.1 to 25 wt % of a mixture of an organic substance and clay, wherein said organic substance is selected from the group consisting of sphagnum and peat, wherein said clay comprises from 0.1 to 9.9 wt % of said matrix and said clay comprises up to 50 wt % of said mixture, and wherein said matrix has a density of 10 to 200 kg/m3.
Dependencies are inferred from the claim text.