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PENYAMAKAN KULIT

PENYAMAKAN KULIT. ( Kulit tanpa bulu & Kulit berbulu ). 1. KULIT TANPA BULU. Kulit kelinci : 1. Disamak bulu --- disebut FUR 2. Tanpa Bulu --- kulit glace (kulit ternak kecil yg disamak chrome , biasanya u atasan sepatu wanita), kulit garmen ( jaket ). Cara :.

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PENYAMAKAN KULIT

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  1. PENYAMAKAN KULIT ( Kulit tanpa bulu & Kulit berbulu )

  2. 1. KULIT TANPA BULU • Kulit kelinci : 1. Disamak bulu --- disebut FUR 2. Tanpa Bulu --- kulit glace (kulit ternak kecil yg disamak chrome, biasanya u atasan sepatu wanita), kulit garmen ( jaket )

  3. Cara : • Pengawetan --- dg p’garam. • Pembersihan. • Perendaman (tdk boleh > 30oC) • Pengapuran • Buang Bulu --- enz. Exolite (enz. Protease). • Buang kapur (dg asam) • Bating / Pengikisan protein (dg enz. Papain, bromelin,pancreas, ragi tape) • Pengasaman • Penyamakan (dg khrom, penyamak nabati)

  4. CAKAR AYAM • Pengulitan • Pencucian • Pengapuran • Penghilangan daging dan sisik • Buang kapur • Penghilangan lemak • Pengikisan protein (Bating) • Pengasaman

  5. Lanjutan …….. • Penyamakan • Penetralan • Penyamakan ulang • Pengecatan dasar • Peminyakan • Pengeringan • Pementangan • Pelemasan

  6. Lanjutan ….. • Perampungan • Clearing • Bottom Coat • Top Coat • Fiksasi • Glazing • Emboshing • Leather

  7. KULIT TANPA BULU • Penimbangan • Pencucian • Perendaman • Pengadukan & Pencucian • Pembuangan bulu & Lap. Episermis • Pengapuran • Pembelahan (Spliting) • Buang kapur

  8. Lanjutan ….. • Pengikisan Protein (Bating) • Pengasaman • Penyamakan • Netralisasi • Retaning • Pewarnaan Dasar & Peminyakan • Fiksasi • Aging • Set Out

  9. Lanjutan ……. • Pementangan • Buffing • Pengecatan tutup & Finishing

  10. Aktivitas enzim dalam pembuangan bulu Potongan kulit sapi ditimbang seberat 40 gr yang direndam dalam larutan enzim (5mg) enzim komersial/ml air sulingan. Kira-kira 2 ml larutan enzim/gr dari berat kulit yang digunakan.

  11. Contoh Produk :

  12. 2. KULIT BERBULU • Cara pengawetan hrs baik & benar (sblm kulit disamak) --- kerontokan & kerusakan bulu !! • 1. Penyamakan bulu samak krom. • 2. Penyamakan bulu samak alum.

  13. 1. Penyamakan bulu samak krom: • Perendaman (air, teepol, soda kue = 30 mnt). • Perendaman ulang • Bating (oropon, 1 jam). • Fleshing (buang daging dg pisau). • Penguatan bulu ( air, formalin, rendam 1 mlm) • Pengasaman (Pickling) (air, garam, HCOOH, H2SO4). Cek pH = 3 - 3,5

  14. Penyamakan (Tanning) (krom, soda kue, rendam 1 mlm). • Penetralan (air, soda kue). Cek dg indikator bCG. • Penyamakan ulang • Peminyakan

  15. Terima Kasih

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