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Description
White powder, smell sweet, slightly dissoluble in water and dissoluble in nitric acid, hot chloric acid, ammonium acetate and sodium acetate solutions, Lost crystallization, Tribasic Lead Sulphate, 3PbO, PbSo4, H20, is the most popular and versatile lead stabilisers for PVC. It is one of the most cost effective stabilisers available, and is used in both rigid and flexible PVC compounds for a wide range of end product applications.Main application is used for PVC heat stabilizer in plastic industry
Typical Applications
Good flow properties and ease of dispersion of TBLS are of considerable advantage in the preparation of PVC compounds. Due to its excellent thermal stability, it is particularly suitable for stabilising PVC which is to be processed at high temperatures or speeds. Rigid PVC compound that is used for injection moulding of various products, can be stabilised with TBLS. The fine particle size and absence of free electrolyte ensures that when TBLS is used to stabilise PVC cable sheathing compound, it does not cause a deterioration in electrical properties of the cable.
Typical Properties
| Item | high grade | 1 st grade | acceptable quality grade |
| Lead Content,% | 88.0-90.0 | 88.0-90.0 | 87.5-90.5 |
| Sulfur Trioxide,% | 7.5-8.5 | 7.5-8.5 | 7.0-9.0 |
| Moisture,% | 0.30max | 0.40max | 0.60max |
| Residue through 75um screen% | 0.30max | 0.40max | 0.80max |
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