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19

Quarry products and building materials

Gypsums and chalks

1137.13

Joining gypsum

1137.16

Brewing plaster

1137.21

Calcium sulphate anhydrite

1137.22

Calcium sulphate dihydrate

1137.27

Chalk

1137.34

Plaster of Paris for moulding

1137.64

Plaster of Paris

1137.66

Natural gypsum

1137.77

Gypsum from flue gas desulfurization

1137.84

Smoothing plaster

1137.85

Plaster of Paris

1137.91

Special gypsums