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Bituminous webs, preferably bituminous webs with modified elasticity and polymeric bituminous webs
Bituminous webs, preferably bituminous webs with modified elasticity and polymeric bituminous webs
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机译:沥青纤维网,优选具有改善的弹性的沥青纤维网和聚合物沥青纤维网
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摘要
The bituminous webs are characterised in that the impregnating and/or covering bitumen material used in their production contains a proportion of synthetic silica. The synthetic silica can be precipitated or pyrogenic silica.
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