1、 Determination of bleach for bleached poplar face veneer: Because wood bleaching is achieved through oxidation and reduction reaction, the compounds with oxidation or reduction have bleaching effect. Reducing bleaching agents mainly include nitrogen containing compounds, inorganic sulfur containing compounds, organic sulfur containing compounds, acids, etc. This type of bleaching agent is less used to bleach poplar face veneer. Therefore, …

Detailed explanation of poplar veneer bleaching method! Introduction: Because wood bleaching is achieved through oxidation and reduction reaction, compounds with oxidation or reduction have bleaching effect. 1、 Determination of bleach Because wood bleaching is achieved through oxidation and reduction reaction, the compounds with oxidation or reduction have bleaching effect. Reducing bleaching agents mainly include nitrogen containing compounds, inorganic sulfur containing …

Bleached poplar veneer Alkali treatment Pretreatment with alkali liquor is the first stage of veneer bleaching process, which mainly plays the following roles: First, it can purify veneer and eliminate stain and stain on wood surface; Secondly, a considerable part of resin and soluble colored substances in wood can be extracted in alkaline solution, which is conducive to reducing the …