Formulation

19

20

21

22

23

24

25

26

27

28

Feathers

65

60

62.5

64.9

64.75

62.5

62.5

60

57.5

62.5

Plasticizers

Ethanolamine

30

30

30

30

30

30

30

Maleic acid

30

30

30

Other additives

Citric acid

5

Formamide

5

10

Sodium alginate

5

5

5

5

10

10

10

CaCl2

0.1

Fe(ClO4)3∙9H2O

2.5

MgCl2∙6H2O

0.25

2.5

2.5

5

NaPO2H2∙H2O

2.5