T321 Sulfurized isobutylene SIB Antiwear luticant additive
Sulfurized isobutylene
T321 is made up by isobutylene, single sulfur chloride and sodium sulfide as the main rawmaterial. It is a sulfur-containing additive produced by addition, vulcanization and dechlorination reaction under the presence of catalysts. It is the main anti-wear agent of gear oils and industrial oils.
Product Features
●High sulfur content, excellent extreme pressure anti-wear performance
●Light color, excellent oil solubility
●Perfectly matched with phosphorus- and nitrogen-containing anti-wear additives
●High flash point
●High viscosity
●Low copper corrosion
Recommended Dosage (wt%)
1.5%-5.0%
Typical Inspections
| Item | Range of criteria | Test Method |
| Appearance | Orange-amber Transparent liquid | Visual Observation |
| Density, 20℃, kg/m3 | 1100.0~1200.0 | GB/T1884 |
| Kinematic Viscosity, 100℃, mm2/s | 5.5~8.0 | GB/T265 |
| Flash Point(Open Cup), ℃, ≥ | 100 | GB/T3536 |
| Oil soluble | Transparent without precipitation | Visual Observation |
| Moisture content, (V/V)％, ≤ | Vestige | GB/T260 |
| Mechanical Impurity, % (m/m), ≤ | 0.05 | GB/T511 |
| Sulfur Content, %(m/m) | 40.0~46.0 | SH/T0303 |
| Chlorine Content, %(m/m), ≤ | 0.5 | SH/T0161 |
| Copper Corrosion, 121℃, 3h, ≤ | 3 | GB/T5096 |
| Four-ball Machine Experiment, PD/N, ≥ | 4900 | GB/T3142 |
Packaging and acceptance
This product is packaged in standard iron drums, or in BIC ton drums or other packaging forms according to customer needs. Product identification, sample retention, and delivery acceptance shall be carried out in accordance withSH/T0164 standard.
Product storage, transportation, and compounding agent blending operations and precautions
- The product shall be stored, loaded and unloaded in accordance with the SH/T0164 standard, and must be clearly labeled during transportation, storage and use to prevent mixing and cross contamination with other petroleum products;
- When adjusting oil, the maximum temperature should not exceed 75 ℃;
- Long term storage temperature should not exceed 50 ℃.
- Single dose and composite product shelf life: 24 months (at ambient temperature). After opening and using, pay attention to sealed storage.
Health and Safety
The products in this manual are non flammable, non explosive, and non corrosive, and are similar to general petroleum products in terms of safety, environmental protection, and use.
Avoid prolonged or repeated contact with the skin during use, prevent accidental ingestion, and keep away from children.
Wear protective gloves when using, and the operator does not need to take special safety precautions. Once it splashes into the eyes or skin, rinse thoroughly with plenty of water.
Store the product in a cool, dry, and well ventilated place, away from sources of fire and heat source.
Waste packaging materials, oil liquids, and waste residues should be handed over to qualified units for recycling
and disposal, and are prohibited from being discharged into water bodies or soil.
For other health and safety information, please refer to the Material Safety Data Sheet (MSDS).
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Soluble Sulfurized Isobutylene SIB Oil Pressure Antiwear Additive Images
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