2021
DOI: 10.33448/rsd-v10i11.19951
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Variação das propriedades tecnológicas de painéis MDF em uma linha de produção industrial no Brasil

Abstract: No presente estudo foram caracterizadas as propriedades tecnológicas de painéis de fibras de média densidade (MDF), em diferentes horários de produção em uma linha industrial brasileira, com o objetivo de avaliar a variabilidade tecnológica das chapas e sua qualidade em relação à norma técnica comercial. Painéis MDF confeccionados com fibras de Eucalyptus spp.  (70%), Schizolobium parahyba (20%) e madeiras residuais de serraria (10%), aglutinados com resina ureia-formaldeído foram coletadas em intervalos de du… Show more

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“…The TS24h values of the MDF panels in our experiments ranged from 4.4% to 9.2%, below the maximum value and thus complying with the standard. In another study of MDF panels produced by blending eucalyptus fibers (70%), paricá (20%), and sawmill residues (10%) bonded with UF resin, and densities ranging from 651 to 800 kg m -³, panels were collected every two hours during a production shift and TS24h values ranged from 11.2% to 15.6%, and exceeding the maximum requirement stipulated by the Brazilian standard in 80% of the collection times (Araujo et al 2021).…”
Section: Water Absorption and Thickness Swellingmentioning
confidence: 99%
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“…The TS24h values of the MDF panels in our experiments ranged from 4.4% to 9.2%, below the maximum value and thus complying with the standard. In another study of MDF panels produced by blending eucalyptus fibers (70%), paricá (20%), and sawmill residues (10%) bonded with UF resin, and densities ranging from 651 to 800 kg m -³, panels were collected every two hours during a production shift and TS24h values ranged from 11.2% to 15.6%, and exceeding the maximum requirement stipulated by the Brazilian standard in 80% of the collection times (Araujo et al 2021).…”
Section: Water Absorption and Thickness Swellingmentioning
confidence: 99%
“…In all cases evaluated, the authors found IB values below the European standard. MDF panels produced with a mixture of eucalyptus fibers (70%), paricá (20%), and sawmill residues (10%) had IB values ranging from 0.42 to 0.62 MPa and did not meet the minimum established by the Brazilian standard in 80% of the collection time (Araujo et al 2021).…”
Section: Static Bending Internal Bonding and Resistance To Screw With...mentioning
confidence: 99%
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