MESIL® ME-Si69 Bis(triethoxysilylpropyl)tetrasulfide

ME-Si69 is a difunctional polysulfide organosilane mainly used in the rubber industry.

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CHARACTERISTIC

TECHNICAL DATA

APPLICATIONS

PACKAGING

CHARACTERISTIC

The product code: ME-Si69
Chenical name: Bis(triethoxysilylpropyl)tetrasulfide

Structural formula:

TECHNICAL DATA

Item	Indexes
Molecular formula	C₁₈H₄₂O₆S₄Si₂
Molecular weight	538
CAS No.	40372-72-3
Color and Appearance	Pale yellow transparent liquid
The Purity(%)	22.0±1
Density (20℃，g/cm³)	1.080±0.005
The boiling point (101.325kpa,℃)	250
Flash point (℃)	≥100
Refractive Index (n25D)	1.480±0.005

APPLICATIONS

1.ME-Si69 is used in rubber products.①It acts as a coupling agent for non-black fillers;②Maintain the sulfurization balance to increase the resistance to sulfur reversion;③It acts as a vulcanizing agent to give it good heat aging properties.
2.Adding 0.5-1.0% of the silane coupling agent Si-69 to the clay filler, or adding 1.0-4.0% of the silane coupling agent Si-69 to the white carbon black pigment, can make the non-carbon black pigment and the artificial rubber very good. The ground is connected and can increase the modulus and improve the wear resistance.

PACKAGING

ME-Si69 is packaged in 200L steel drum or 1000L IBC drum. 20’ GP FCL can full-load 80 steel drums (16,000 kg) or 18 IBC drums(18,000kg).
After the container is opened,it should be sealed to prevent the water vapor from entering the hydrolysis.
The effective time of the product is indicated on the label, After this time, if does not mean that this product can no longer be used,and after performance test,it can still be used.

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