Molecular formula : 3PbO• PbSO4 •H2 O
Specifications :
Testing items Excellent Grade I
Appearance White power White power
Lead oxide (PbO), % 89.0±1.0 89.0±1.0
Sulfur trioxide(SO3)),% 7.5-8.5 7.5-8.5
Heating loss,% ≤ 0.3 0.4
Fineness(mesh of 0.075mm)%≥ 99.7 99.6
Application : The product is the most widely used thermal stabilizer for PVC plastics with strong ability of cohesion with hydrogen chloride, good long-term thermal stability, excellent electrical insulation. It has the ability of white pigment with strong covering power , tolerate weather-resistant property and mainly used in non-transparent soft and hard products and cable material. Coordination effects can be obtained when used with a little amount of lead dibasic phosphite or lead dibasic stearate.
Package : Plastic bag, lined with PE bag, 25KG weight.
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