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Red lead

【Molecular Formula】 Pb3O4
【Molecular weight】 685.57
【Characteristics】 Orange red powder, toxic, bright colored, loose powder, good anti-corrosion property, rust resistance and covering strength.
【Technical Standard】 GB1705-86
Item Index
Coating Industry Other Industry
non-aggregating Highly Dispersing Type First Grade Second Grade
lead dioxide % ≥ 33.9 33.9 33.9 33.2
led orthoplumbate % ≥ 97 97 97 95
led orthoplumbate + free led oxide % ≥ 99 --
volatile substance, 105 % ≤ 0.2 0.2
Water Soluble Matter % ≤ 0.1 --
Oil Absorption g/100g% ≤ 6 --
sedimentation volume ml% ≤ 30 --
aggregation According to GB1705-86 Standard
Insoluble in nitric acid % ≤ 0.1 0.1
ferric oxide % ≤ -- 0.005
Copper Oxide % ≤ -- 0. 002

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