Granular bitumen coated with precipitated silica
Bitumen granulate containing from 0.5 to 15% by weight, preferably from 6.1 to 15% by weight, of a powdering and separating agent such as, for example, synthetic silica or carbon black is produced by atomizing hot, liquid bitumen in a spray mixer and at the same time introducing the powdering and se...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
17.01.1995
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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