Dipl.-Ing. (FH) Ralf M. Heinzmann
Global Technical Manager, Sealing & Bonding
Sika Services AG
Mr. Ralf Heinzmann studied Polymer Chemistry and works as a Global Technical Manager in the division Sealing & Bonding of Sika AG in Germany. He is also an active member of various technical committees. He is the Chairman of the German DIN standardization committee Joint Sealants, Convener of Working Group 4 of CEN TC 349 Sealants for Joints in Building Construction, Head of the German Delegation to ISO TC 59 SC 8, and Chairman of Working Group 7 Sealants within the German Chemical Manufacturers Asso-ciation VCI. Ralf’s presentation will be on fast curing joint sealants for floor joints, pavements, roads and connection joints to tram tracks.
Fast curing joint sealants for floor joints, pavements, roads and connection joints to tram tracks
For joints in trafficked areas like in roads, parking areas and airports especially in case of renovation work, the time to get back to full traffic access within a few hours is a key requirement. Therefore, fast curing systems are very important in nowadays with the increasing traffic in the cities and airports, where there is often only a slot of a couple of hours e.g. during night when the airport is closed. For such application, either 2-component products can be used or 1-component products with a so called booster which is a kind of accelerator. This system combines the advantages of both one- and two-component joint sealing systems with the advantage to have a long pot life together with a very fast curing and the system which is not sensitive to any mixing failures because it will also cure like a 1-component sealant. This so called booster technology is already frequently used in industrial application but quite new in construction industry. This booster technology can be used basically for polyurethane, silicones and silane terminated polymers which are usually used as one part moisture curing products.
Thursday, 12 September 2019, 16:00 - 16:30