C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
6/167
C08L 95/00 (2006.01) C04B 26/26 (2006.01) C08K 3/36 (2006.01) E01C 7/18 (2006.01)
Patent
CA 1129608
ABSTRACT OF THE DISCLOSURE The invention provides a mastic asphalt mixture for road, building and industrial construction which contains 0.1 to 2% by weight of synthetic silica. For example, a precipitat- ed silica, a precipitated and spray-dried silica or a pyro- genically produced silica can be used as a synthetic silica. The content of synthetic silica results in a greater hardness of the finished mastic asphalt layer.
339334
Barthel Walter
Muller Karl-Hans
Aktiengesellschaft Degussa
Marks & Clerk
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