The invention relates to inorganic mixed fibre product exhibiting good insulating properties fire resistance and comprising glass fibres (23) and inorganic fibre flocks (25) which are arranged in substantially homogenous manner between said glass fibres (23). A method for producing the inventive inorganic mixed fibre product, a device (1) for carrying out said method and a product obtained from said inorganic mixed fibre product are also disclosed.
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