Paper and Paperboard Packaging Technology -
Heat-sealable tea-bag tissue incorporates a heat-sealing medium such as PP in the form of a fibre dispersed within the very thin sheet. With multilayer thicker materials, such as paperboard, the fibre tear must rupture the internal layers when the seal is peeled open. 1.5.3.17 Taint and odour neutrality Some products are sensitive to changes in ...
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