KARAKTERISTIK PAPAN PARTIKEL CAMPURAN LIMBAH SENGON DAN BAGAS SORGUM MENGGUNAKAN PEREKAT ASAM SITRAT

Jajang Sutiawan, Suci Mardhatillah, Dede Hermawan, Firda Aulya Syamani, Subyakto Subyakto, Sukma Surya Kusumah

Abstract


Limbah sengon dapat digunakan sebagai bahan alternatif dalam pembuatan papan partikel. Namun demikian, papan patikel dari sengon memiliki beberapa kekurangan yaitu memiliki sifat fisis dan mekanis yang belum memenuhi standar Jepang (JIS A 5908:2003). Penelitian ini bertujuan untuk meningkatkan sifat fisis dan mekanis papan partikel sengon dengan penambahan bagas sorgum pada berbagai komposisi bahan baku menggunakan perekat asam sitrat. Perekat yang digunakan adalah asam sitrat dengan kadar perekat 20% terhadap berat kering partikel. Komposisi campuran sengon dan bagas sorgum adalah 100:0, 75:25, 50:50, dan 25:75 (% g/g). Target kerapatan papan partikel yang diproduksi adalah 0,8 g/cm3. Papan partikel dikempa panas pada suhu 200°C selama 10 menit. Pengujian sifat fisis dan mekanis papan partikel dilakukan dengan mengacu pada standar JIS A 5908:2003. Hasil penelitian menunjukkan bahwa kerapatan, kadar air, pengembangan tebal, keteguhan lentur, keteguhan patah dan keteguhan rekat telah memenuhi persyaratan standar JIS A 5908-2003. Penambahan bagas sorgum bisa dijadikan sebagai salah satu alternatif untuk meningkatkan sifat fisis dan mekanis papan partikel sengon. Penambahan 75% bagas sorgum mampu meningkatkan kadar air, daya serap air, pengembangan tebal, keteguhan lentur, dan keteguhan patah terbaik pada papan partikel.


Keywords


Asam sitrat; bagas sorgum; papan partikel; limbah sengon

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DOI: https://doi.org/10.20886/jphh.2020.38.3.139-150

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