For centuries, sailors used tree sap (pitch) to seal the spaces between the planks on wooden boats. Explain why pitch worked well as a sealant in this situation

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Chemistry

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16 December, 22:31

For centuries, sailors used tree sap (pitch) to seal the spaces between the planks on wooden boats. Explain why pitch worked well as a sealant in this situation

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Emanuel Sutton · Answer 1

Tree sap is a viscoelastic polymer, which means it's not really a solid but a very viscous (sticky) fluid. It's fluidity ensures that it can properly seal the spaces between the planks on wooden boats. Not only that, the pitch sap is hydrophobic - it is water resistant as well.