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Home > Products > Silane Coupling Agent > Sulfur Silane in rubber > Crosile 69 Si69 Polysulfide Tetrasulfide Sulfur Silane Coupling Agent For Silicon Rubber

Crosile 69 Si69 Polysulfide Tetrasulfide Sulfur Silane Coupling Agent For Silicon Rubber

Min. Order: 1 Kilogram

Product Description

Products Description


Crosile 69 Si69 Polysulfide Tetrasulfide Sulfur

Silane Coupling Agent For Silicon Rubber



Chemical Name:  Bis [3-(triethoxysilyl) propyl] tetrasulfide


Chemical Formula :C18H42O6S4Si2


Type: Crosile-69


CAS NO :40372-72-3


Physical Properties: Silane coupling agent Crosile-69 is a pale yellow clear liquid with light odor of ethyl alcohol and soluble easily in ethyl alcohol, acetone, benzene, toluene etc. Insoluble in water.

Synonyms:

TESPT, SI-669, SI-69, Z-6940, KH-8454, A-1289, Y- 6194, KBE-846, JH-S69


CAS NO.40372-72-3


Specificitions:


Properties
Units
Target Values(Spec,Limits)
Alcohol content
%(wt)
≤0.5%
CLPTES Content
%(Wt)
≤3.0%
Other impurity content
%(Wt)
≤1.0%
Viscosity 25°C (cps)
Cps
≤14.0
Sulfur Content
%(wt)
22.5(21.7-23.3)
Average chain Length
3.70(3.55-3.85)
S2 content
%(rel.wt)
18.0(15.0-21.0)
S3 content
%(rel.wt)
30.0(27.0-33.0)
S4 content
%(rel.wt)
24.0(21.0-27.0)
S5 to S8 content
%(rel.wt)
27.0(24.0-30.0)
Volatility (100°C /10min.)
≤ 1.0%
Specific Gravity (25°C)
1.080 ± 0.020
Refractive Index (25°C)
1.480 ± 0.020

Product show

Yellow Liquid silane coupling agent and formula structure
Application
Silane Coupling Agent

Crosile 69 reacts with silanol groups of white fillers during mixing and with the polymer during vulcanization under formation of covalent chemical bonds.
This imparts greater tensile strength, higher moduli, reduced compression set, increased abrasion resistance and optimized dynamic properties.
Crosile-69 is used in almost all fields of the rubber industry where silanol group containing white fillers are used and optimum properties are required.

Application fields
are
Low rolling resistance tires, mechanical rubber products, out shoe
Crosile-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 abrasive resistance and reduce compression set of vulcanizates.
In addition, it can reduce the viscosity and improve the processability of rubber products.

Silane coupling agent Crosile 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 TS-69 in polymers such as NR, IR, SBR, BR, NBR and EPDM.
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CAS#
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Packing & Storage

Crosile 69 Si69 Polysulfide Tetrasulfide Sulfur Silane Coupling Agent For Silicon Rubber


Packing:

25 kg /drum, it loads 16 MT/ 20 FCL with pallet
200 kg /drum, it loads 16 MT/20 FCL with pallet
1000 kg in plastic drum, 21.2 MT/20 FCL with pallet.

Storage:

Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
Shelf life:

One year in ventilating, cool and dry area.

Company Profile

Ecopower Factory Advantage
Laboratory
Ecopower has 15 years of industry experience, The technicians have 15 years of strong technology and rich management experience.
We can provide many feasible solutions based on different problems.
Factory
Ecopower covering an area of 24,000 square meters.
In the production process, we have a complete set of equipment, strict quality control to achieve the purpose of reducing customer costs, So as to improve customer satisfaction
Warehouse
Ecopower professional in logistics and after-sales service, and has 8 warehouses in China.
After closing with the customer, we can guarantee supply, timely delivery arrangements.
Exhibition
FAQ

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Product Categories : Silane Coupling Agent > Sulfur Silane in rubber

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