Tribasic Lead Sulphate---TBLS for PVC stabilizer
Negotiable /Metric Ton
Min.Order:1 Metric Ton
Hebei Jingxin Chemical Group Co., Ltd.
PVC heat stabilizer / Tribasic Lead Sulfate(TBLS) TBLS for pvc compound stabilizer
Chemical additives Tribasic Lead Sulfate(TBLS) for PVC plastic products
Lead Stearate as high efficiency stabilizer and lubricant for PVC products
white powder heat stabilizer Barium Stearate as chemical additives for PVC profile
Molecular formula: 3PbO ·PbSO4·H2O
Molecular weight: 990.86
Property: It is white, sweet and toxic powder with the specific gravity of 7.10. It can dissolve in nitric acid, hot thick hydrochloric acid, ammonium acetate and sodium acetate, partly in acetic acid, but not in water. It will turn to yellow when loses the crystal water at 135, it turns to yellow under sunlight, especially in wet condition.
Application: Mainly used for the heat stabilizer of PVC opaque or semi opaque products.
Package: Plastic weaved bag, lined with PE bag, and 25Kg in weight.
Storage: It is toxic inorganic product, so it should be kept in a dry and cool storage house with good ventilation, and cannot be stored or transported with food.
Product quality HG/T 2339-2005
Index | Best quality | First quality |
Appearance | White powder without evident mechanical impurity | White powder without evident |
Lead oxide (PbO), % | 89.0±1.0 | 89.0±1.0 |
Sulfur trioxide (SO3),% | 7.5-8.5 | 7.5-8.5 |
Heating loss , % ≤ | 0.30 | 0.40 |
Fineness0.075 mesh, % ≥ | 99.70 | 99.60 |
Whiteness, % ≥ | 90.0 | 90.0 |
Plastic weaved bag, lined with PE bag, and 25Kg weight