Stone wool is literaly wool made from stone. It can occure naturaly around volcanos. When molten lava is slung around at high speeds, it forms into small fibres. By nature, these fibres tend to flock around in tuffts that can be found hanging on the braches of trees around these volcanos. At ROCKWOOL, we have more than 80 years experience of mimicing this natural process. We use the tamed volcano principle to melt natural stones together with secondary raw materials. The lava is spun into fibres that are collected and shaped into different products. A resin is used to bind the fibres together. The resin that we use is durable and does not give off toxic gasses during a fire.
Different applications require different shapes of the stone wool. The default shape that is produced on the production line is rectengular in sizes of 50 - 200 cm (length & width) and 4 - 20 cm in thickness.From these products, we can cut many different shapes like cylinders, cubes, strips or even freeform, where holes are cut or drilled into the slabs.
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