| 摘要 |
Structural cavities are filled with an insulating material by cutting a matted glass fibre web with randomly oriented locally bonded fibres and feeding the cut fibres to a worm screw mixer in which the fibres are mixed with a liquid, foamable plastics mixt. and discharging the resulting mixt. into the cavities.Used for filling floor and wall cavities of buildings and ship structures with fire- and waterproof plastics foam material, e.g. of polyurethane.
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