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Book thickness and paper type are two fundamental variables in binding design. As thickness increases, stress on the spine grows exponentially, making binding strength increasingly important. Thin books printed on uncoated paper can tolerate a wide range of binding methods. Thick books or books printed on coated paper require stronger mechanical locking or specialized spine treatment. Coated paper reduces adhesive penetration, which weakens glue-only binding structures. In such cases, thread sewing or reinforced spine preparation becomes necessary. Ignoring these physical factors often leads to premature binding failure, even when high-quality materials are used. Binding method selection should always be based on material behavior rather than production convenience. A correct binding decision starts with understanding paper and thickness limitations, not with choosing equipment first. |
