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Journal > Jurnal Dinamika Penelitian Industri > Pemanfaatan tepung dari kulit secang, kunyit dan kulit manggis untuk kompon karet

 

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Jurnal Dinamika Penelitian Industri
Vol 25, No 1 (2014): JURNAL DINAMIKA PENELITIAN INDUSTRI
Pemanfaatan tepung dari kulit secang, kunyit dan kulit manggis untuk kompon karet
Article Info   ABSTRACT
Published date:
09 May 2016
 
This research aims to obtain the optimal concentration in the variations of natural dyes and examines the characteristics of the resulting rubber compound. Research and laboratory testing conducted at Balai Riset dan Standardisasi Industri Palembang and PT. Kobe Internasional Mandiri Bandung. This study used dye concentration in 5 phr and 4 (four) color variation that were Formula A: Flour mangosteen peel, Formula B: Meal turmeric, Formula C: Flour wooden cup and Formula D: Synthetic dyes as the control. Parameters observed were Hardness, Shore A (ASTM D 2240-1997), tensile strength, kg / cm 2 (ISO 37, 1994), elongation at break (%), 50 PPHM ozone resistance, 20%, 24 h, 40 ° C and total color difference. The results showed that the best treatments was formula C: Flour wooden cup with Hardness test results of 44 shore A, the voltage dropped by 129 kg / cm 2, Elongation at break of 845%, the ozone resistance of rubber compounds showed no cracks and the total color difference was 26,74.Key word : rubber compound, dyes, wooden cup, turmeric, mangosteen rind.AbstrakPenelitian ini bertujuan untuk mendapatkan konsentrasi optimal variasi bahan pewarna alami dan mengkaji karakteristik kompon karet yang dihasilkan. Penelitian dan pengujian laboratorium dilaksanakan di Balai Riset dan Standardisasi Industri Palembang dan PT. Kobe Internasional Mandiri Bandung. Penelitian ini menggunakan konsentrasi pewarna 5 phr dan 4 (empat) variasi pewarna yaitu Formula A : Tepung kulit manggis, Formula B : Tepung kunyit, Formula C : Tepung kayu secang dan Formula D : Pewarna sintetis sebagai kontrol. Parameter yang diamati Kekerasan, Shore A (ASTM D. 2240-1997), tegangan putus, kg/cm2 (ISO 37, 1994), Perpanjangan Putus (%), ketahanan ozon 50 pphm, 20%, 24 jam, 40°C dan total perbedaan warna. Hasil penelitian menunjukkan bahwa Perlakuan yang baik adalah formula C : Tepung kayu secang dengan hasil uji Kekerasan sebesar 44 shore A, Tegangan putus sebesar 129 kg/cm2, Perpanjangan putus sebesar 845 %, ketahanan ozon menunjukkan kompon karet tidak retak dan total perbedaan warna yaitu 26,74.Kata kunci : kompon karet, pewarna, kayu secang, kunyit, kulit manggis.
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