Moulding Sand Specimens

Additives

Proportions of Mould Additives (%)

A

None

0

B

Iron dust

20%

C

Iron dust

25%

D

Sawdust

20%

E

Sawdust

25%

F

Charcoal dust

25%

G

Iron dust and charcoal dust

20%

H

Sawdust and charcoal dust

25%

I

Sawdust, charcoal dust and iron dust

20%

J

Sawdust, charcoal dust and iron dust

25%