Formulation

Ingredient, *pphr

NR

Inner tube crumb

Zinc oxide

Stearic acid

Sulphur

TMTD

N330

Vulkacit H/30

A

100

300

12

2

8

2

200

12

B

100

300

16

5

10

3

200

12

C

100

300

20

8

12

4

200

12