Volume 39 (2024-2025)
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Composite wood products
Improvement of dimensional stability and mechanical properties of gypsum particleboard by adding white cement

Saeed Khojasteh Khosro; Saeed Khojasteh Khosro; Mohammad Hasan Payan; Seyyed Mehdi Seyydi

Volume 30, SPRING 1 , May 2015, , Pages 132-143

https://doi.org/10.22092/ijwpr.2015.11900

Abstract
  In the present research improvement of dimensional stability and mechanical properties of gypsum particleboard by using white cement was investigated. In manufacturing gypsum particleboard, Micronize gypsum was used in three levels of 2.5:1, 2.75:1 and 3:1 to dried mass of wooden materials. White cement ...  Read More

Composite wood products
Investigation of the sound absorption properties of gypsum particleboard produced with kenaf stalks and nano clay

Hossein Rangavar; Mohammad hassan Payan

Volume 29, Fall 3 , November 2014, , Pages 434-442

https://doi.org/10.22092/ijwpr.2014.8481

Abstract
     In this study sound absorption coefficient and hardness of gypsum particleboard produced with kenaf stalk and nano clay were investigated. Variables in this study were weight ratio of kenaf stalks to poplar wood in three levels (40, 50 and 60 %) and nano clay content (0, 3 and 6%) based ...  Read More