OTHER PRODUCTS
SilBondTM -69
SilBondTM -69 is a bifunctional, sulfur-containing organosilane for rubber applications in combination with white fillers containing silanol groups.
Application Range:
SilBondTM -69 is a kind of multifunctional silane coupling agent that has been used successfully in the rubber industry. It is used to improve physical and mechanical properties of vulcanizates. It is able to markedly improve tensile strength, tearing strength and abrasion resistance and reduce compression set of vulcanizates. In addition, it can reduce the viscosity and improve the processability of rubber products.
SilBondTM -69 is especially suitable to improve the reinforcing properties of fillers that contain hydroxyl groups in all unsaturated polymers having double bonds or their blends. Silica, talc powder, mica powder and clay can be used in combination with SilBondTM -69 in polymers such as NR, IR, SBR, BR, NBR and EPDM. Recommend dosage 1.0-4.0 PHR
Packaging And Storage:
Package: 25kg or 200kg, 1000 kg in plastic drum.
Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
Shelf life: One years in ventilating, cool and dry area.
Chemical Name :Bis [3-(triethoxysilyl)propyl] tetrasulfide
CAS No. : 40372-72-3
Formula : (C2H5O)3Si(CH2)3-S4-(CH2)3Si(OC2H5)3
PRODUCT SPECIFICATIONS
| Properties | Specification |
| Sulfur Content | 22% ± 1% |
| The average sulfur chain length | 3.75±0.15 |
| Chloropropyltriethoxy Silane Content | ≤3.0% |
| Viscosity 25°C | ≤14(cps) |
| S2 content | 17±3% |
| S3 content | 30±4% |
| S4 content | 24±3% |
| S5 – S8 content | 27±3% |
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