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Bis [ 3 - ( Triethoxysilyl ) Propyl ] Tetrasulfide KBE 846 Sulfur Silane Coupling Agnet for Paddy Hulling Rubber Roll
Product Name : Bis [3-(triethoxysilyl) propyl] Tetrasulfide Silane
Coupling Agent
Formula : (C2H5O)3Si(CH2)3-S4-(CH2)3Si(OC2H5)3
CAS No. : 40372-72-3
EINECS No. : 254-896-5
Equivalent type: Si69 (Evonik), KBE-864(Shin-Etsu), Z-6940(Dow Corning), A-1289(Momentive)
Physical Properties
1. Pale yellow liquid with light odor of ethl alcohol.
2. Soluble easily in ethl alcohol, acetone, benzene, toluene and other organic solvent.
3. Insoluble in water.
Specification
| Test Item | Target Values(Spec.Limits) |
| Sulfur Content | 22% ± 1% |
| The average sulfur chain length | 3.75±0.15 |
| Other impurity content | ≤1.0% |
| Alcohol content | ≤0.5% |
| *γ2 Content | ≤3.0% |
| Specific Gravity (25℃,g/cm3) | 1.080 ± 0.020 |
| Refractive Index (25℃) | 1.480 ± 0.020 |
| Viscosity 25℃ | ≤14(cps) |
| S2 content | 17±3% |
| S3 content | 30±4% |
| S4 content | 24±3% |
| S5 - S8 content | 27±3% |
| Chlorine Content | ≤0.6% |
| Weight Loss Rate@ (105℃) | ≤2.0% |
| Resiue On Ignition@ (800±25℃) | 11.3±1.0% |
Application
A. Crosile-69 improves the physical and mechanical properties of vulcanizates of the rubber.
B. Also, it could be used in the fillers that contain hydroxyl groups to improve the reinforcing properties.Such as silica, talc powder, mica powder and clay etc.
Recommend dosage 1.0-4.0PHR
Package and storage
1. Package: 25kg/200kg in plastic drums and 1060kg/IBC.
2. Storage: Store in a cool, dry, well-ventilated area and away from direct sunlight.
3. Shelf life: Two years in ventilating, cool and dry area.
