Sound-insulation anti-skid volcanic rock flexible material and preparation method thereof
The invention relates to a sound-insulation anti-skid volcanic rock flexible material which comprises a polyurethane combination layer, a non-woven fabric layer and a rubber combination layer which are sequentially compounded from top to bottom. The polyurethane combined layer is prepared from the f...
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Format: | Patent |
Sprache: | chi ; eng |
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