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Rubber Component Si 69 Sulfur Silane Coupling Agent Light Yellow Clear Liquid

Ecopower(Guangzhou) New material Co.,limited

Rubber Component Si 69 Sulfur Silane Coupling Agent Light Yellow Clear Liquid

MOQ : 25 Kilograms

Price : Negiotation

Payment Terms : L/C, , D/A, D/P, T/T

Supply Ability : 12,000,00 MT/year

Delivery Time : Within 10 days after received official order

Packaging Details : 25kg/plastic drum, it loads 16mt/20fcl with pallet; 200kg/plastic drum, it loads 16 mt/20fcl with pallet; 1000 kg in plastic drum. it loads 21.2 mt/20fcl with pallet

Brand Name : Ecopower

Model Number : Crosile-69

Certification : ISO9001,ISO14001,IATF 16949

Place of Origin : Jiangxi China

CAS NO. : 40372-72-3

EINECS No : 254-896-5

Purity : 98%

Equivalent type : Si69, SCA 98, A-1589, Z-6940, KBE-846

MF : (C2H5O)3SiCH2CH2CH2-S4-CH2CH2CH2Si(OC2H5)3

Appearance : light yellow transparent liquid

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Light Yellow Clear Liquid Sulfur Silane Coupling Agent Si69 for Rubber Component

Product name: Silane Coupling Agent

Type: Sulfur silane coupling agent Crosile - 69

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

Chemical Formula: (C2H5O)3SiCH2CH2CH2-S4-CH2CH2CH2Si(OC2H5)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.


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
Average chain Length 3.70
S2 content %(rel.wt) 18.0
S3 content %(rel.wt) 30.0
S4 content %(rel.wt) 24.0
S5 to S8 content %(rel.wt) 27.0
Volatility (100°C /10min.) ≤ 1.0%
Specific Gravity (25°C) 1.080 ± 0.020
Refractive Index (25°C) 1.480 ± 0.020


Silane coupling agent
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 Crosile - 69 in polymers such as NR, IR, SBR, BR, NBR and EPDM.
Recommend Dosage:1.0-4.0 PHR

Packaging and storage

1. Package:25kg or 200kg, 1000 kg in plastic drum.
2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
3. Shelf life: One year in ventilating, cool and dry area.

Product Tags:

functional silanes


rubber chemicals

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