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Glass Frit: Coloured Glass Melted, Quenched in Water and Ground
FMI / Marc Wiegelmann (Wikimedia Commons) · CC BY-SA 3.0 de
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14. Ukwakira 2026IT
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Glass Frit: Coloured Glass Melted, Quenched in Water and Ground

Frit is glass that has been melted, quenched and broken into grains. Pour melted coloured glass into water: it shatters into grains that grind easily, and sieved into grades they colour fused and slumped glass. Egyptian blue, the oldest frit, coloured a tomb painting about 2900 BC. The picture: frit grains.
Hagati
A day

Amabwiriza

1

Melt

Break coloured glass into a fireclay crucible and melt it in the furnace until it runs.

Ibikoresho by'iyi ntambwe:

Ikirahure cy'ubururu bwa kobaltiIkirahure cy'ubururu bwa kobalti0.6 kg

Ibikoresho bikenewe:

Ikirahure cy'Ibumba Rirwanya UmuriroIkirahure cy'Ibumba Rirwanya Umuriro
Itanura ry'amakaraItanura ry'amakara
AmakaraAmakara
Amakoro y'Icyombo GishongeshaAmakoro y'Icyombo Gishongesha
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
2

Quench

Pour the melt in a thin stream into a bucket of cold water. It cracks into grains. Pour off the water and dry the grains on a tray.

Ibikoresho bikenewe:

Indobo yo gukonjeshaIndobo yo gukonjesha
AmaziAmazi
Amakoro y'Icyombo GishongeshaAmakoro y'Icyombo Gishongesha
Umutiba uringaniye wo kumishaUmutiba uringaniye wo kumisha
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
3

Grind and sieve

Grind the dry grains in the mortar and sieve them into grades (step 4). Store each grade in its own jar.

Ibikoresho bikenewe:

Isekuru n'UmuhiniIsekuru n'Umuhini
Agatsiko k'utuyungurizo (imyobo itandukanye)Agatsiko k'utuyungurizo (imyobo itandukanye)
Umunzani w'ibiroUmunzani w'ibiro
Icupa ry'IkirahureIcupa ry'Ikirahure
Agapfukamunwa k'UmukunguguAgapfukamunwa k'Umukungugu
Amadarubindi y'umutekanoAmadarubindi y'umutekano
4

Grades

Gupakira ikaye ya Jupyter…

Ibikoresho

1

Ibikoresho bikenewe

14

Iki gishushanyo gikora

Thumbnail
Agateganyo

Ifu ya emaye y'ikirahuri

Free

73
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Thumbnail
Agateganyo

Ibikoresho by'ikirahure cyasyize (frit)

Free

111
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Blueprint zijyanye

Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame

Cobalt Blue Glass

Cobalt Blue Glass

na CharlieDE

Gukora Ikirahure

52
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0
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0
Charcoal Air Furnace for Crucibles, Drawn by a Chimney

Charcoal Air Furnace for Crucibles, Drawn by a Chimney

na ForgeNO

Ubucuzi bw'Ibyuma

24
0
0
0
0
0

CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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