No.

Material

Weight (%)

Weight (gram)

1

Nodle clay Kalimantan

40.0

400

2

Feldspar RRC

13.5

135

3

Kaolin Belitung

13.5

135

4

Iron sand from Singaraja

20.0

200

5

Ball Clay Bantur

10.0

100

6

Talk

2.0

20

7

Bentonite

1.0

10