Formulation

1

2

3

4

5

6

7

8

9

Feathers

80

80

80

80

80

80

70

70

70

Plasticizers

1,4-butanediol

20

30

Ethanolamine

20

30

Glycerol

20

Maleic acid

20

30

Sorbitol

20

Urea

20