Penambahan Bahan Ca(OH)2 dan Na2S Pada Proses Reliming Kulit Domba Awet Garam Tabur Untuk Perbaikan Kerontokan Bulu di PT. Carma Wira Pasuruan Jawa Timur.

Kharisma Yogi Arinda, - (2019) Penambahan Bahan Ca(OH)2 dan Na2S Pada Proses Reliming Kulit Domba Awet Garam Tabur Untuk Perbaikan Kerontokan Bulu di PT. Carma Wira Pasuruan Jawa Timur. Tugas Akhir thesis, Politeknik ATK Yogyakarta.

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Abstract

Pelaksanaan Tugas Akhir di PT. Carma Wira Pasuruan Jawa Timur bertujuan untuk memperbaiki kerontokan bulu dengan penambahan bahan Na2S dan Ca(OH)2 pada proses reliming kulit domba awet garam tabur. Bahan baku yang digunakan dalam pelaksanaan tugas akhir proses reliming kulit domba awet garaman adalah kulit bloten domba awet garam tabur sebanyak 2 lembar dengan berat 2200 gram . Bahan kimia yang digunakan dalam proses reliming adalah Na2S, Ca(OH)2 dan Cismolan UAL . Metode reliming dilakukan dengan menambahkan bahan 1% Na2S dan 2% Ca(OH)2 selama 60 menit. Hasil yang diperoleh menunjukkan bahwa setelah penambahan bahan Na2S dan Ca(OH)2 bulu yang sebelumnya tidak dapat lepas pada bagian leher dan sepanjang garis punggung telah dapat lepas. Dimana hasil tersebut tetap memenuhi persyaratan sifat dan karakter kulit pikel yang meliputi warna putih bersih, tidak terdapat sisa bulu, pH kulit pikel 2-3, dan pegangan kulit lemas. Penambahan bahan Na2S dan Ca(OH)2 dapat merontokkan bulu domba awet garam tabur. In the final project at PT. Carma Wira Pasuruan East Java has purpose to repair hair loss process with addition of Na2S and Ca(OH)2 for pickling process of salt cured sheep skin. The material that used in the trial of reliming is 2 salted sheepskin with weight 1500 grams. For the chemicals that added in the trial was Na2S and Ca(OH)2. For method that used in the trial was by adding 1% Na2S and 2% Ca(OH)2 for 60 minutes. The results obtained showed that after addition of Na2S and Ca(OH)2 the skin fur/hair could be removed 80-90% better than the previous one that could only removed 30%. But the trial result still fulfill the requirements for the requirement and characteristics of pickle skin which included pure white color, no residual fur/hair, pH of skin 2-3, and soft handle. The conclution for this trials is the addition of Na2S and Ca(OH)2 can repair and optimized hair loss process of salt cured sheepskin.

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