1. Thermal paper concept Thermal paper is a processed paper whose manufacturing principle is to coat a layer of “thermal paint” (thermal discoloration layer) on high-quality base paper. Although there are more than a dozen chemicals used in this color-changing layer, there are at least the following compounds: leuco dyes, which have a wide variety,… <a class="more-link" href="https://blog.inbetter.com/summary-of-cash-register-paper-knowledge-you-can-not-miss/">Continue reading <span class="screen-reader-text">Summary of Cash register paper Knowledge You Can not Miss</span></a>
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