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Concrete using recycled tire rubber hits the road to a circular economy

Engineers from RMIT University have managed to replace 100% of conventional aggregates in concrete – such as gravel and crushed rock – with rubber from discarded tires that meets building codes, promising a boost for the circular economy.
Researchers say the new greener and lighter concrete also promises to reduce manufacturing and transportation costs significantly.
Small amounts of rubber particles from tires are already used to replace these concrete aggregates, but efforts to replace all of the aggregates with rubber have produced weak concretes that failed to meet the required standards – until now.

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Wacker to premier self-adhesive liquid silicone rubber Elastosil LR at K 2022

WACKER will be premiering its novel ELASTOSIL® LR 3078 product series at K 2022 International Trade Fair for Plastics and Rubber. These self-adhesive liquid silicone rubber grades cure extremely fast and establish a firm bond with the thermoplastic polycarbonate without the need to pretreat its surface. ELASTOSIL® LR 3078 was designed for two-component injection molding and enables cost-effective large-scale production of multicomponent parts, such as those needed in medical technology and the automotive industry. This year’s K show will take place in Düsseldorf, Germany, from October 19 to 26.

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