Skip to main content

Table 4 Physical/chemical properties of nutria skins

From: Use of electrochemically activated aqueous solutions in the manufacture of fur materials

Parameter Treatment no.
1 2 3 Test
pH of anolyte 2.9 ± 0.1 3.4 ± 0.1 3.9 ± 0.1
pH of catholyte 9.7 ± 0.2 11.2 ± 0.3 10.7 ± 0.3
Hydrothermal resistance after tanning (°C) 65.0 ± 1 69.0 ± 1 59.0 ± 1 63.0 ± 1
Mass content, (%) in the skin tissue of unconnected fatty substances after degreasing 3.62 ± 0.06 3.8 ± 0.06 3.3 ± 0.05 4.1 ± 0.07
 After greasing 17.4 ± 0.4 18.3 ± 0.5 17.9 ± 0.4 16.2 ± 0.4
 Chrome tanning agent on Cr2O3 basis 0.89 ± 0.02 0.83 ± 0.02 0.90 ± 0.02 0.93 ± 0.02
Breaking stress at the tear of an entire skin (N) 65.0 ± 3.3 64.0 ± 3.3 58.0 ± 3.0 62.0 ± 3.1
Total strain (%) 15.0 ± 1.4 13.2 ± 1.2 10.4 ± 0.9 12.7 ± 1.1
Frozen strain (%) 8.3 ± 0.6 9.7 ± 0.7 6.0 ± 0.4 6.2 ± 0.4
  1. The volumes of fatty substances and chrome oxide are based on a totally dry substance