Analisis Sifat Fisis dan Mekanik Papan Komposit Gipsum Serat Ijuk dengan Penambahan Boraks (Dinatrium Tetraborat Decahydrate)

Authors

  • Hilda Trisna Jurusan Fisika Universitas Andalas
  • Alimin Mahyudin Jurusan Fisika Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.1.1.%25p.2012

Abstract

Penelitian mengenai sifat fisis dan mekanik papan gipsum dengan penambahan serat ijuk (arrenge pinnata) dan boraks (dinatrium tetraborat decahydrate) telah dilakukan.  Metode penyusunan serat yang digunakan yaitu 1 lapis secara teratur yang diletakkan di antara matriks, dengan variasi persentase serat 0,5%, 1,0%, 1,5%, 2,0%, dan 2,5% terhadap massa tepung gipsum, sedangkan kadar boraks yang digunakan yaitu 0,5% terhadap massa total adonan.  Dari hasil pengujian diperoleh, nilai optimum daya serap air diperoleh pada papan dengan persentase serat 2,5% yaitu sebesar 24,32%, sedangkan nilai densitas optimum diperoleh pada papan dengan persentase serat 1,0% yaitu sebesar 1,4 g/cm3.  Kuat tekan optimum diperoleh pada papan dengan persentase serat 1,0%, yakni sebesar 133,95 kg/cm2, sedangkan nilai kuat lentur optimum terdapat pada papan dengan persentase serat 2,0% yaitu 45,38 kg/cm2.  Nilai daya serap air dan kuat tekan telah memenuhi standar mutu papan, sedangkan densitas dan kuat lentur belum memenuhi standar.

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Published

2012-10-01

How to Cite

Trisna, H., & Mahyudin, A. (2012). Analisis Sifat Fisis dan Mekanik Papan Komposit Gipsum Serat Ijuk dengan Penambahan Boraks (Dinatrium Tetraborat Decahydrate). Jurnal Fisika Unand, 1(1). https://doi.org/10.25077/jfu.1.1.%p.2012

Issue

Vol. 1 No. 1: Oktober 2012

Section

Articles

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Copyright (c) 2012 Hilda Trisna, Alimin Mahyudin

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