Insoluble Sulfur Polymeric Sulfur STD IS 7020
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Category：Rubber additives Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Chemical Name: Polymeric Sulfur, 20% oil treated powder
CAS NO.: 9035-99-8
Product Specification:
| Appearance | Yellow powder | |
| Total quantity of sulfur,% | ≥ | 79.0 |
| Insoluble sulfur (in total S),% | ≥ | 70.0 |
| Ash(600°C±25),% | ≤ | 0.30 |
| Heat Loss at 60°C,% | ≤ | 0.50 |
| Oil content,% | 19.00-21.00 | |
| Residue on sieve(150μm),% | ≤ | 0.30 |
| Acidity(as H2SO4),% | ≤ | 0.05 |
◆ Performance:
-IS 7020 is a mixture of polymerized sulfur and orthorhombic sulfur insoluble in rubber, which can prolong the scorch time of rubber compound, prevent the migration of sulfur and improve the viscosity of rubber surface;
-IS 7020 is pollution-free and does not change the color.
◆ Application:
-IS 7020 is generally used in unsaturated rubber formulations with high sulfur content, especially when the number of added parts exceeds the solubility of soluble sulfur;
-IS 7020 is widely used in various tires due to its low migration rate, uniform dispersion and long scorch time;
-IS 7020 can also be used in vulcanized rubber products with high requirements for performance.
◆ Packaging: Paper/plastic packages with a net weight of 25kg per package.
◆ Transportation Condition: Meet the general transportation conditions of chemicals and avoid mixing with alkaline substances.
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