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1.5 million HDB lift buttons have been coated with a disinfectant that can last for months –

Called sdst, the disinfectant lasts for 90 days and does not need to be reapplied in that time.Changi Airport Group A powerful long-lasting disinfectant is now being used to coat lift buttons in Singapore’s public housing estates. Called sdst, the disinfectant lasts for 90 days and does not need to be reapplied in that time. In a press statement on Thursday (Apr 2), Changi Airport Group’s (CAG) philanthropic arm, Changi Foundation, said it had donated 650 litres of the coatin

1.5 million HDB lift buttons have been coated with a disinfectant that can last for months – here’s

Called sdst, the disinfectant lasts for 90 days and does not need to be reapplied in that time.Changi Airport Group A powerful long-lasting disinfectant is now being used to coat lift buttons in Singapore’s public housing estates. Called sdst, the disinfectant lasts for 90 days and does not need to be reapplied in that time. In a press statement on Thursday (Apr 2), Changi Airport Group’s (CAG) philanthropic arm, Changi Foundation, said it had donated 650 litres of the coatin