Silway 3201 Polydimethylsiloxane, Ethylene Glycol Terminated Good Water Vapor Permeability Polyurethane Modifier Low Volatile Content Molecular Weight 2000

• Type: Reactive Silicone Oil
• Source: Synthetic
• Composition: Silicone Oil
• Property: Improve Softness and Flexibility
• Shape: Liquid
• Application: PU Resin, Synthetic Leather
• Model NO.: Silway 9201
• Transport Package: 200kg 1000kg
• Specification: 200L, IBC drum
• Trademark: Silway
• Origin: China
• HS Code: 3910000000
• Production Capacity: 10000kg/a

Product Description

Description
 

Silway 3201 is a linear polydimethylsiloxane with ethylene glycol terminated on both ends (ABA glycol siloxane).

 

Various properties of Silway 3201, such as wear resistance, softness, etc., are better than the general polyether modified silicone oil with primary hydroxyl groups.

 

Unlike other ABA glycol siloxanes, Silway 3201 does not contain excess unreacted monofunctional organic glycol which can impair the isocyanate reactivity of a polyurethane, resulting in a polyurethane with inferior crosslinking.

 

 

 

Typical Applications 
 

PU dry resin
 

PU waterborne resin
 

PU surface treatment agent

 

Usage
 

The general effective concentration of Silway 3201 is 1.0~5.0% of the formula weight. The specific amount depends on the type of formulations, solvents and resin systems.

 

It is recommended to add Silway 3201 to PU prepolymer formula in the front section.


 

Key Features  
 

Reactive with isocyanate to give silicone/PU copolymer

Increase release properties

Good lubricity

Provide abrasion and scratch resistance

Provide water repellency

Softening and flexibility

Good water vapor permeability


 

Typical Physical Properties
 

Active Content(%)	100%
Refractive Index	1.412
Hydroxyl Value(mgKOH/g)	60
Viscosity(cSt, 25ºC)	50
Appearance	Light Yellow Transparent Liquid

 

 

Packing

 

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