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Refined Iron-Rich Clay Slip: the Finest Fraction Settled Out for Black Gloss
Mary

Imeundwa na

Mary

17. Oktoba 2026FI
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Refined Iron-Rich Clay Slip: the Finest Fraction Settled Out for Black Gloss

The black gloss of Greek vases is a slip of the same iron-rich clay as the pot, made only of its finest particles. Fired in three stages, oxidising, reducing and reoxidising, it stays glossy black while the body turns back to red. Stir the clay in water, let the coarse part settle, and keep only the finest. The picture: our diagram, clay in water, coarse settled, fine slip kept.
Kati
About a week

Maagizo

1

Slake

Break the dry clay small and soak it in plenty of water in a tub until it falls apart. Stir it thin and sieve out grit.

Vifaa kwa hatua hii:

Udongo wa terakotaUdongo wa terakota5 kg

Zana zinazohitajika:

Beseni la mbaoBeseni la mbao
MajiMaji
Kasia la mbaoKasia la mbao
Ungo MwembambaUngo Mwembamba
Mizani ya mizani-mbiliMizani ya mizani-mbili
2

Settle and pour off

Let it stand until the coarse part has settled, then pour off the still-cloudy water into a clean bucket, leaving the sediment.

Zana zinazohitajika:

Beseni la mbaoBeseni la mbao
NdooNdoo
3

Repeat

Let the poured-off water settle again and pour off once more; each round keeps only finer particles. Stop after two or three rounds.

Zana zinazohitajika:

NdooNdoo
4

Thicken

Let the last bucket stand for days until the fine clay settles, pour off the clear water and keep the thick slip covered.

Zana zinazohitajika:

NdooNdoo
Chupa ya KiooChupa ya Kioo
5

How much is fine enough?

Inapakia daftari la Jupyter…

Vifaa

1

Zana Zinazohitajika

7

CC0 Umma Wote

Mchoro huu umetolewa chini ya CC0. Uko huru kunakili, kubadilisha, kusambaza, na kutumia kazi hii kwa madhumuni yoyote, bila kuomba ruhusa.

Saidia Mtengenezaji kwa kununua bidhaa kupitia Mchoro wao ambapo wanapata Kamisheni ya Mtengenezaji iliyowekwa na Wachuuzi, au unda marudio mapya ya Mchoro huu na uiunganishe kama kiungo katika Mchoro wako kuchangia mapato.

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