scholarly journals SIFAT FISIS PAPAN SEMEN DARI LIMBAH KULIT BATANG SAGU

2017 ◽  
Vol 1 (3) ◽  
pp. 203
Author(s):  
Rohny S. Maail

This research objectives were to investigate possibility of using the waste of sago cortex (Ela sagu/Wa’a) in the manufacture of cement board and to determine the physical properties of cement board based on the comparison in proportion of materials (cement, sago, water)  and catalyst calcium chloride (CaCl2). Method were applied used completely randomesed design with tree replications in 3x3x3, with total 27 samples of cement board. The results shown that the waste of sago cortex ca be applied as raw materials to manufacture of cement board and fulfill the standard of particle board (JIS A 5908, 2003). The board have dencity which is almost equal to the target of dencity, lower value in water content, water absorption and thichness swelling so that have good performance in quality and stability dimensions. The sago cortex in side of base and the catalyst CaCl2 in 6% gave high performance for all physical properties of cement board.

2018 ◽  
Vol 4 (2) ◽  
pp. 101
Author(s):  
Meldayanoor Meldayanoor ◽  
Arifin Arifin ◽  
Rusuminto Syahyuniar

ABSTRACT The need for board materials continues to increase, therefore the need for new innovations in the form of utilization of plastic waste and rice husks are used as raw material for making particle board where the waste plastic as adhesive and rice husk as filler. The purpose of this research is to know the physical properties such as density, moisture content, and water absorption in order to determine the exact formulation on the particle board that meets the quality standard. SNI 03-2015-2016 quality standard is used as a reference comparison of the results of testing stages of research starting from the processing of raw materials plastick and chaff into sebuk, mixing, and formation of particle board until the testing phase. Elements of particle board formation are rice husks and polyprophylene plastics as adhesives made with Plastic compositions: 40%: 60% 50%: 50% and 40%: 40%: husks. In testing the physical properties of the results showed that the right composition is 60%: 40% because it has results with a particle density of 0.83 g /cm3, a water content of 4.87%, and a water absorption of 10.67%. It is the best result of some predefined compositions and meets the quality standard of SNI 03-2015-2016   Keywords: From The board particles, polyprophylene plastic, chaff rice


MAKILA ◽  
2020 ◽  
Vol 14 (2) ◽  
pp. 87-98
Author(s):  
Rohny S. Maail ◽  
Irfan Derlauw

This research aimed to determine the physical properties and advantages of cement boards made from sago stem bark waste based on the test results of several parameters according to JIS A 5908 (2003) standard. The results showed that the physical properties of cement board from sago stem bark waste with the addition of the CaCl2 catalyst were good, with the average value of density ranged from 1.19-1.26 gr/cm³, water content 7,67-8,02%, and water absorption after immersion 2 hours 6,03-7.65% as well as after 24-hour immersion 11,62-12,91%, respectively. The averages swelling value of board thickness was 1.62-12,91% after immersion 2 hours and 1.40-3.41% after immersion 24 hours. Furthermore, what sago bark waste in various positions of the tree trunk (tree base, middle and top) can be utilized to manufacture cement board. The board made from sago stem bark waste at the base position with a catalyst CaCl2 6% has the best physical properties and meets JIS A 5908 (2003) standard. Cement board from sago stem bark waste has an excellent waterproof capability and can be used as outdoor materials.


MAKILA ◽  
2019 ◽  
Vol 13 (2) ◽  
pp. 117-129
Author(s):  
Rohny S. Maail ◽  
Irfan Derlauw

This research aimed to determine the physical properties and advantages of cement boards made from sago stem bark waste based on the test results of several parameters, according to JIS A 5908 (2003) standard. The results show that the physical properties of cement board from sago stem bark waste with the addition of the CaCl2 catalyst were good with the average value of cement board density ranged from 1.19-1.26 gr/cm³, water content 7,67-8,02%, water absorption after immersion 2 hours 6,03-7.65% and after 24-hour immersion 11,62-12,91%, respectively. The averages swelling value of board thickness after immersion 2 hours 1.62-12,91% and after immersion 24 hours 1.40-3.41%. Furthermore, sago bark waste in various positions of the tree trunk (tree base, middle, and top) can be utilized to manufacture the cement board. However, the board made from sago stem bark waste at the ground with the addition of a catalyst CaCl2 6% has the best physical properties and meets JIS A 5908 (2003) standard. Cement boards from sago stem bark waste have an excellent waterproof capability and can be used as outdoor materials.


2020 ◽  
Vol 1 (3) ◽  
pp. 8-14
Author(s):  
Winda Amilia ◽  
Andrew Setiawan Rusdianto ◽  
Whina Sofiana

Tobacco is an important commodity in the economy in Indonesia. Tobacco stems are worthless waste. Tobacco stems contain 56.10% cellulose, making it high potential as a particle board raw material. The process of making particleboard that affects quality is the pressing process during printing. Greater pressure printing presses make bonds between particles stronger. Strong bonding between particles is intended so that the board does not change during storage. The purpose of this study is to determine the characteristics of particleboard in various variations of printing pressure load and storage time and to find out the best treatment as a recommendation in the manufacture of tobacco stem particleboard. The research method was factorial CRD with a combination of treatments between 2 factors namely printing load (4 kg and 8 kg) and storage time (0, 12, and 24 days). The results showed 1.13 - 1.25 g.cm-3 for the density value, water content 4.97 - 12.57%, and water absorption 240.03 - 208.00%. MOE and MOR values ​​were 16000.13 - 36222.77 kgf. cm-2 and 824.47 - 1697.83 kgf.cm-2. The recommended treatment load is 8 kg printing pressure with 12 days of storage time.


2017 ◽  
Vol 7 (02) ◽  
pp. 91
Author(s):  
Mungki Septian Romas ◽  
Ikhwan Pramuaji ◽  
Lies Indriati ◽  
Sonny Kurnia Wirawan

One of the raw materials furniture common in Indonesia is rattan. Because of the availability of local rattan is very limited so that it is necessary to find alternative raw materials that can be used to substitute the rattan. Paper ropes made from spinning paper, is one of alternative that can be utilized. Paper ropes making from various spinning papers have been studied. Some types of paper were used in this experiment. The spinning papers were characterized and treated to modify its surface properties especially to increase their water resistance. Paper ropes making were done by using the twisting machine and then the physical properties of paper ropes resulted were tested. The results showed that paper surface treatment increased tensile strength, and reduced water absorption and porosity of treated papers. The use of water barrier chemicals and adhesive are effective in increasing water resistance of paper surface. Decreased water absorption and porosity are  20% - 43% and 30% - 98%, respectively. Based on this result, paper ropes is potential to become an alternative raw material for furniture.  ABSTRAKSalah satu bahan baku furnitur umum di Indonesia adalah rotan. Karena ketersediaan rotan lokal sangat terbatas sehingga diperlukan untuk mencari bahan baku alternatif yang dapat digunakan untuk menggantikan rotan. Paper ropes yang terbuat dari spinning paper, merupakan salah satu alternatif yang dapat dimanfaatkan. Pembuatan paper ropes dari berbagai jenis spinning paper telah dipelajari pada penelitian ini. Beberapa jenis kertas digunakan dalam percobaan ini. Spinning paper dikarakterisasi dan diperlakukan khusus untuk memodifikasi sifat permukaannya terutama untuk meningkatkan ketahanan airnya. Pembuatan paper ropes dilakukan dengan menggunakan mesin pemilin dan pengujian sifat fisik paper ropes telah dilakukan. Hasil penelitian menunjukkan bahwa perlakuan khusus permukaan kertas meningkatkan kekuatan tarik, dan mengurangi penyerapan air dan porositas. Penggunaan bahan kimia water barrier dan adhesif cukup efektif dalam meningkatkan ketahanan air permukaan kertas.  Penurunan penyerapan air dan porositas masing-masing sebesar 20% - 43% dan 30% - 98%. Berdasarkan hasil ini, paper ropes memiliki potensi sebagai bahan bahan baku alternatif untuk furnitur.


2021 ◽  
Vol 9 (2) ◽  
pp. 207
Author(s):  
Asmawati Wurya Sari ◽  
M Dirhamsyah ◽  
Yuliati Indrayani

This research aimed to analyze the physical and mechanical properties of particleboard based on the composition of raw materials and adhesive content as well as their interaction with the optimum quality of particle boards that meet JIS A 5908-2003 standards. The particleboard was made with a size of 30 cm x 30 cm x 1 cm with a target density of 0.7 g/cm³.  The pressing was done at a temperature of 140°C for 8 minutes with a pressure of 25 kg/cm². The composition ratio of betel nut peel waste and sawdust varied, namely 60% betel nut peel waste: 40% sawdust, 50% betel nut peel waste: 50% sawdust, and 40% betel nut peel waste: sawdust 60%. The adhesive used was Urea Formaldehyde with a concentration of 12%, 14%, and 16%. The results showed that all test values met the JIS A 5908: 2003 standard except the MOE test. The optimum value of particle board of betel nut peel and sawdust was with a composition ratio of 50% betel nut peel waste: 50% sawdust, 16% adhesive content, with a density value of 0.6876 g/cm³, a moisture content of 9,4530%, water absorption 34,5306%, thickness expansion 8,2508%, MOE 12432,6243 kg/cm², MOR 205,8462 kg/cm², adhesive firmness 2,2530 kg/cm², screw holding strength 81,6861 kg/cm².Keywords: adhesive content, betel nut peel waste, material composition, mechanical properties, particleboard, physical.Abstrak Penelitian ini bertujuan untuk menganalisis sifat fisik dan mekanik papan partikel berdasarkan komposisi bahan baku dan kadar perekat serta interaksi keduanya terhadap kualitas papan partikel yang optimum serta memenuhi standar JIS A 5908-2003. Papan partikel dibuat dengan ukuran 30 cm x 30 cm x 1 cm dengan target kerapatan 0,7 g/cm³. Pengepresan  pada suhu 140°C selama 8 menit dengan tekanan 25 kg/cm². Perbandingan komposisi kulit buah pinang dan serbuk kayu gergaji bervariasi yaitu kulit buah pinang 60% : serbuk kayu gergaji 40%, kulit buah pinang 50% : serbuk kayu gergaji 50% dan kulit buah pinang 40% : serbuk kayu gergaji 60%. Perekat yang digunakan adalah Urea Formaldehida dengan konsentrasi 12%, 14% dan 16%. Hasil penelitian menunjukkan semua nilai uji memenuhi standar JIS A 5908 : 2003 kecuali uji MOE. Nilai papan partikel kulit buah pinang dan serbuk kayu gergaji optimum dengan perbandingan komposisi kulit buah pinang 50% : serbuk kayu gergaji 50%, kadar perekat 16%, dengan nilai densitas 0,6876 g/cm³, kadar air 9,4530%, daya serap air 34,5306%, pengembangan tebal 8,2508%, MOE 12432,6243 kg/cm², MOR 205,8462 kg/cm², Keteguhan rekat 2,2530 kg/cm², kekuatan menahan sekrup 81,6861 kg/cm².Kata kunci : papan partikel, kadar perekat, kulit buah pinang, komposisi bahan, sifat fisik dan mekanik.


PERENNIAL ◽  
2006 ◽  
Vol 2 (1) ◽  
pp. 38 ◽  
Author(s):  
. Bakri ◽  
Endra Gunawan ◽  
Djamal Sanusi

This research aims to find out the effect of cement-saw dust ratio levels on the physical and mechanical properties of produced composites. The physical properties (density, water content, water absorption after the immersion of one hour and 24 hours, and thickness swelling after the immersion of one hour and 24 hours) and mechanical properties (MOE and MOR) were observed according to ISO standards. The results showed that the use of the cement to sawdust ratio of 3 : 1 in producing wood composite with the target density of 1200 kg/m3 resulted in the lowest water absorption and the highest MOE and MOR. The swelling value and MOR of the produced boards were not acceptable, but their water content, water absorption, and MOE parameters were acceptable according to ISO 8335 1997. Key Words : Physical and mechanical properties, cement wood composite, sawdust


2020 ◽  
Vol 315 ◽  
pp. 07008
Author(s):  
Aleksandr Bakhtin ◽  
Nikolai Lyubomirskiy ◽  
Sergey Fedorkin ◽  
Tamara Bakhtina

The paper presents research on the development of building materials with low level of CO2 emissions based on technogenic recycled materials. The paper addresses the determination of optimal formulation and technological parameters of obtaining materials based on lime dust generated by mechanical deposition in cyclones and bag filters of shaft furnaces, as well as finely dispersed marble limestone with a fraction of up to 5 mm. Studies have shown that it is possible to obtain carbonized material with compressive strength of more than 40 MPa from this recycled material by forced carbonization used during three hours. Moreover, to obtain such numbers, the optimal content of lime dust in raw materials should be in the range of 35-40% wt. when the water content of the mixture is 6-7% wt. The carbonized material obtained with the indicated technological parameters will have an average density of 1.95-2.0 g/cm3 and water absorption by weight of not more than 12%.


2016 ◽  
Vol 78 (10) ◽  
Author(s):  
Tay Chen Chiang ◽  
Sinin Hamdan ◽  
Mohd Shahril Osman

This study examined the effect of density on the thermal stability, physical and mechanical properties of sago particleboard. Sago particles and Urea Formaldehyde (UF) were used as raw materials in the fabrication process. The fabrication and testing method were based on JIS A 5908 standard. The samples were prepared based on different desired density and went through a series of thermal stability, mechanical and physical tests. Mechanical properties of the composites were characterized by tensile, flexural, impact strength, screw test and internal bonding which had great influence on the particleboard performance. All the panels were tested for physical properties (water absorption and thickness swelling) to identify their use for indoor application. Thermal properties like thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) for the Sago/UF composites were analysed. The results showed particleboard with 800 kg/m3 exhibited the optimum strength on Internal Bonding, Screw test, Bending and Flexure test. Particleboard with 700 kg/m3 has better performance on Impact test. 500 kg/m3 showed better curing properties with DSC. TGA showed that all the Sago/UF particleboard decompose with single-stage and were decomposed into three main steps like water absorption, volatile and char.


2019 ◽  
Vol 7 (3) ◽  
Author(s):  
Peterson Peterson ◽  
M Dirhamsyah ◽  
Nurhaida Nurhaida

The research aims to examine the physical and mechanical properties of cement board from sago fiber waste (Metroxylon Sp) based on cement size and composition and determine the best ratio of cement and sago fiber (Metroxylon sp) and meet the standards of JIS A 5417: 1992. The study was conducted at the Laboratorium WoodWorkshop, Wood Processing, Wood Technology and PT. Duta Pertiwi Nusantara Pontianak. The method used was an experimental method in a factorial Randomized Complete Design factorial experiment of 2 x 3 with 3 replications and a total of 18 experiments. The factors used in sago fiber length (Factor A) and fiber (Factor B).  The tests include physical properties and mechanical properties with a target density of 1 gr / cm³. The results showed that the average value of the physical properties of the cement board included density 0.9713 gr / cm³ - 1.2246 gr / cm³, moisture content 3.5054% - 3.9448%, water absorption 0.9746 % - 1.1318% and thick Development 0.8649% - 0.9892%. The mean mechanical properties of cement board include MOE 10,564,6646 kg / cm² - 35,475,7865 kg / cm² and MOR 7,5797 kg / cm² - 25,8554 kg / cm². The best research is in treatment (a1b2) with a ratio of cement and fiber (80:20) with a length of sago fiber 2 cm and meets the standards of JIS A 5417: 1992 with the of 23, with a physical property density value of 1.2198 gr / cm³, water content is 3.7401%, water absorption is 0.9944%, and thickness development is 0.9048%. The mechanical properties value of Modulus of Elasticity is 28439.1825 kg / cm² and Modulus of Rupture is 25.8554 kg / cm².Keyword:   Cement Comparison,  Fiber Length, Sago Fiber, Physical and Mechanical Propertie


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