Tea bag fibres, SEM
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Tea bag fibres, SEM
Tea bag fibres. Coloured scanning electron micrograph (SEM) of the fibres in tea bag paper. This paper is made with a blend of wood and vegetable fibres. The vegetable fibre is obtained from the bleached pulp of a small plantation tree called abaca hemp. The paper holds the tea leaves in place, while allowing hot water to pass through and infuse with the leaves, forming tea. Magnification: x35 when printed at 10 centimetres across
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6278351
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Fibre Fibres Paper Permeable False Coloured Filter Paper Perforation Perforations Wood Pulp
EDITORS COMMENTS
This print showcases the intricate beauty of tea bag fibres under a scanning electron microscope (SEM). The false-colored image reveals the delicate network of fibres in tea bag paper, which is specially designed to hold and infuse tea leaves with hot water. The paper itself is a blend of wood and vegetable fibres, with the vegetable fibre sourced from abaca hemp, obtained from the bleached pulp of a small plantation tree. These materials are carefully selected for their permeability and strength, ensuring that they can withstand the brewing process without tearing or disintegrating. Through this SEM image, we gain insight into the structural composition of filter paper used in tea bags. The magnified view at 35 times its original size allows us to appreciate the fine details within each fibre. We can observe how these fibres intertwine and form tiny perforations that enable water to pass through while retaining the tea leaves securely inside. This photograph not only highlights the scientific aspect of materials science and chemistry but also serves as a reminder of our daily rituals involving something as simple yet significant as enjoying a cup of tea. It reminds us that even seemingly ordinary objects like teabags have an underlying complexity worth exploring and appreciating.
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