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. 2020 Sep 19;8(7):nwaa230. doi: 10.1093/nsr/nwaa230

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© The Author(s) 2020. Published by Oxford University Press on behalf of China Science Publishing & Media Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — Superior stability and fire retardancy of RGI-wood compared to natural wood. (a) Dimensional stability of RGI-wood and natural wood in both directions under temperature change. (b) The weight gain of RGI-wood and natural wood soaked in water at room temperature for 24 hours. (c) TGA curves of RGI-wood and natural wood show that RGI-wood has higher thermal stability in air. (d) The heat release rate curves of RGI-wood and natural pine wood given by cone calorimetry test showing that RGI-wood releases less heat during combustion. (e) The weight loss curves of RGI-wood and natural pine wood during combustion given by cone calorimetry test showing that RGI-wood loses weight later and slower. (f) The total smoke production curves of RGI-wood and natural pine wood during combustion given by cone calorimetry test showing that RGI-wood has much lower smoke emission.