No
2x enamel (4% DV)
2x enamel (2% DV)
4x enamel (5% DV)
4x enamel (4% DV)
4x enamel (4% DV)
2x enamel (3% DV)
2x enamel (2% DV)
4x enamel (5% DV)
4x enamel (4% DV)
4x enamel (2% DV)
1x enamel (0% DV)
All other grades:
0%
3%
4%
5%
6%
Note:
Note2: The enamel of a metal is composed of iron oxide, calcium oxide, and carbon dioxide (usually in ratio of approximately 30:70) . In a galvanized metal, the oxide layer is usually composed of iron oxide and carbon. In an enamel with an unglazed surface it is usually carbon dioxide.
Note:
The enamel of a metal is composed ofIron OxideCaOxideCarbon dioxideThe oxide layer is usually composed ofIron OxideandCarbon dioxideNote:The enamel of a metal is composed of
0 % (30%)
0 % (30%)
3 %
3 %
3 %
2 %
2 %
1 1/4 %
1 1/7 %
1 1/6 %
1 1/1 %
1 1/2 %
1 1/3 %
1 1/4 %
1 1/7 %
1 1/1 %
1 1/1 %
1 1/2 %
1 1/3 %
1 1/4 %
1 1/7 %
1 1/1 %
1 1/2 %
1 1/3 %
1 1/4 %
1 1/7 %
1 1/1 %
1 1/2 %
1 1/3 %
1 1/4 %
Note:
The enamel is the layer of material between the hard mineral and the surface of the metal. Generally, enamel comes in different levels of hardness. It is used as a coating on tools and equipment, as
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