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Ety Jumiati
Program Studi Fisika Fakultas Sains dan Teknologi UIN Sumatera Utara Medan
Computer Science & IT Education Physics

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ANALYSIS OF THE PHYSICAL PLAFON PLACES BASED PAPER BREEDING Ety Jumiati; Sri Wahyuni Ritonga; Abdul Halim Daulay
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 4, No 1 (2020)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitek.v4i1.7917

Abstract

A pulp-based ceiling board has been made. Variations in the composition of mixing cement and pulp used include: 70%: 30%, 60%: 40%, and 50%: 50%  and Variations in the composition of mixing cement, sand and pulp used include: 50%:20%:30%, 40%:20%:40%, 30%:20%:50% with FAS 0,4 and the printing and pressing time is 24 hours. The parameters of the test include: water absorption and density. Analysis of the ceiling board physical produced in sample A with a composition of 70%: 30% has a water absorption value = 19% and density = 1.58%, in sample B with a composition of 6%: 40% has a water absorption value = 26 , 8% and density = 1.53%, in sample C with a composition of 50%: 50% has a water absorption value = 26.05% and density = 1.45%, in sample D with a composition of 50%:20%:30% has a water absorption value = 24,3% and density = 1.67%, in sample E with a composition of 40%:20%:40% has a water absorption value = 20,9% and density = 1.45%, in sample F with a composition of 30%:20%:50% has a water absorption value = 14,8 % and density = 1.34%.
ANALYSIS OF MECHANICAL PROPERTIES OF PARTICLE BOARD BASED DURIAN SKIN AND SUGAR CANE BAGASSE WITH FORMALDEHIDA UREA ADHESIVE Ety Jumiati; Rika Safitri; Abdul Halim Daulay
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 4, No 1 (2020)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitek.v4i1.7918

Abstract

The particle board was made based on mixing durian skin and sugar cane bagasse with urea formaldehyde adhesive. The variations the composition of mixing durian skin, sugar cane bagasse with urea formaldehyde adhesive used among other: 35%:35%:30%, 30%:30%:40%, and 25%:25%:50% and printing time and pressing for 24 hours. The parameters of the testing include: Modulus of Rupture (MOR) dan Modulus of Elasticity (MOE). Analysis of the mechanical properties of the particle board produced at the composition of 35%:35%:30% which has a value MOR = 446,17 kgf/cm2 and MOE = 160,9 kgf/cm2, at the composition of 30%:30%:40%, has a value MOR = 1369,57 kgf/cm2 dan MOE = 3903,3 kgf/cm2, at the composition of 25%:25%:50%, has a value MOR = 1463,07 kgf/cm2,  dan MOE = 3342,1 kgf/cm2 which matches SNI 03-2105-2006 criteria type 8 is not required.
Co-Authors Abdul Halim Daulay Rika Safitri Sri Wahyuni Ritonga