What is sellotape?  Sellotape is basically a brand of transparent, polypropylene-based, pressure-sensitive tape. But, this term is also used for any such pressure sensitive tape of any brand. Sellotape is generally used for joining, sealing, attaching and mending.The older version of sellotape has shown some changes in its physical and chemical properties over a longer period of time due to ageing. Initially such tapes … Continue reading Sellotape: How it deteriorates and changes with time