METHOD AND APPARATUS FOR REMOVING SHOT FROM MINERAL FIBRE MATERIAL

摘要

The invention relates to a method for removing shot from mineral fibres comprising providing a collected web of mineral fibres containing shot, subjecting the collected web of fibres to a disentanglement process, suspending the disentangled fibres in a primary air flow, thereby allowing separation of the fibres from the shot and collecting the fibres, wherein from 0% up to less than 1 % by weight binder is present in the fibres collected from the primary air flow.