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AMALGAM 1 59
2. Tarnishes.
3. Expands.
4. Retards setting.
5. Increases edge strength.
6. Lessens flow.
7. Works hard.
Tin.
1. Unites readily with mercury in all proportions.
2. Retards setting
3. Increases flow.
4. Imparts plasticity.
5. Shrinks.
6. Decreases edge strength.
Copper.
1. Unites with mercury with difliculty in definite atomic
proportions.
2. Hastens setting.
3. Increases edge strength.
4. Lessens flow.
5. No appreciable expansion or contraction.
6. Tarnishes readily.
,
Zinc.
'
. . .
1 Unites easily with mercury in definite atomic proportions.
2. Expands.
3. Hastens setting.
4. Diminishes edge strength.
5. Increases flow.
6. Improves color.
7. Imparts plasticity.
Classification of Amalgams
Amalgams may be classified according to the number of
constituents they contain into:
AMALGAM 1 59
2. Tarnishes.
3. Expands.
4. Retards setting.
5. Increases edge strength.
6. Lessens flow.
7. Works hard.
Tin.
1. Unites readily with mercury in all proportions.
2. Retards setting
3. Increases flow.
4. Imparts plasticity.
5. Shrinks.
6. Decreases edge strength.
Copper.
1. Unites with mercury with difliculty in definite atomic
proportions.
2. Hastens setting.
3. Increases edge strength.
4. Lessens flow.
5. No appreciable expansion or contraction.
6. Tarnishes readily.
,
Zinc.
'
. . .
1 Unites easily with mercury in definite atomic proportions.
2. Expands.
3. Hastens setting.
4. Diminishes edge strength.
5. Increases flow.
6. Improves color.
7. Imparts plasticity.
Classification of Amalgams
Amalgams may be classified according to the number of
constituents they contain into:
