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Silicone Masterbatch Siwin-MB4115

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  • Siwin-MB4115
  • 50% SAN

Silicone Masterbatch 



MB4115 is a pelletized formulation with 50% ultra high molecular weight siloxane polymer dispersed in Styrene-acrylonitrile (SAN ). It is widely used as an efficient additive for SAN compatible resin system to improve the processing properties and surface quality, such as better resin flow ability , mold filling & release, less extruder torque , lower coefficient of friction , greater mar and abrasion resistance ...

Fundamental Parameters

Grade                                                    MB4115

Appearance                                                White pellet

Silicone  content                     %                     50

Resin  base                                                SAN

Melt index ( 200℃, 2.16KG )           g/10min             12.0 ( typical value )

Dosage                             % (w/w)                0.5~5


Improve processing properties including better flow ability , reduced extrusion die drool , less extruder torque , better molding filling & release

Improve surface quality like surface slip, lower Coefficient of friction, Greater abrasion & scratch resistance

Faster throughput , reduce product defect rate.

Enhance stability compare with traditional processing aid or lubricants  


How to use

Addition levels between 0.5~5.0% are suggested . It can be used in classical melt blending process like Single /Twin screw extruders, injection molding. A physical blend with virgin polymer pellets is recommended .


25Kg / bag , craft paper bag


Transport as non-hazardous chemical. Store in a cool , well ventilated place .

Shelf life

Original characteristics remain intact for 24 months from the production date , if kept in recommend storage.

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