Steatite powder additives in wood-cement drywall particleboards

Authors: Vu, Viet-AnhCloutier, AlainBissonnette, BenoîtBlanchet, PierreDagenais, Christian
Abstract: The objective of this study was to develop a new drywall wood-based particleboard as an alternative to gypsum board. Various development iterations have led to the use of wood particles, steatite powder and Portland cement. The resulting outcome shows that screw withdrawal resistance was improved by 37% and bending properties by 69% compared to gypsum board of a similar density (0.68–0.70). The raw surface of the boards is of good quality and comparable to the paper-faced surface of gypsum board. Furthermore, the reaction to fire was evaluated through bench-scale test with a cone calorimeter. The investigated particleboard did not reveal visual signs of combustion after 20 min when exposed to a radiant heat of 50 kW/m2, while burning of the overlay paper of gypsum board occurred at about 57 s, suggesting that wood-cement-steatite powder particleboard could be classified as a quasi non-combustible material.
Document Type: Article de recherche
Issue Date: 29 October 2020
Open Access Date: 23 April 2021
Document version: VoR
Creative Commons Licence:
This document was published in: Materials, Vol. 13 (21), 4813-4826 (2020)
Molecular Diversity Preservation International
Alternative version: 10.3390/ma13214813
Collection:Articles publiés dans des revues avec comité de lecture

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