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Silicone Polyether

Silicone polyether, or silicone surfactant, is a series of polyether modified polydimethylsiloxanes. It can be varied by molecular weight, molecular structure (pendant/linear) and the composition of the polyether chain (EO/PO), and the ratio of siloxane to polyether. Depending on the ratio of ethylene oxide to propylene oxide, these molecules can be water soluble, dispersible or insoluble. It is nonionic surfactant and can be used in both aqueous and non-aqueous systems. Due to its special chemical structure, Topwin SPEs has the following advantages:
Low surface tension as surface tension depressant
Excellent penetration
Good emulsifying and dispersing properties
Good compatibility with organic surfactants
High efficiency and low usage
Excellent lubricity
Low toxicity

Topwin’s silicone polyethers have unique functions and are widely used in various industries:
Superwetting and superspreading adjuvant as agricultural chemicals 
Polyurethane foam stabilizer
leveling and anti crater additive for coating and ink 
Enhance the dispersion and efficiency of formulated defoamers and also act as defoamers above their cloud point in the
      manufacture of paper and paperboard for indirect food contact    
Recommended as lubricant and wetting/spreading agent in textile application
Emulsifiers for personal Care Applications

Catalog Product Name See Details  
Silicone Leveling Agent SL-3190 General purpose leveling agent with good flow promotion and compatibility  
SL-3302M Polyether modified siloxane, medium reduction of  surface tension and medium increase of slip  
SL-3306 Polyether modified polysiloxane solution ,excellent substrate wetting、anti-crater and slip-increasing performance  
SL-3331 Polyether modified siloxane, suitable for solvent-free, solvent and aqueous coatings and inks. medium reduction of surface tension and medium surface slip  
SL-3357 Provides slip, scratch resistance and anti-blocking. Excellent substrate wetting and leveling performance.  
SL-3369 Provides strong slip. Improves substrate wetting, leveling and anti-crater performance. High compatibility and can be used universally in solvent-borne, radiation curing and aqueous coatings systems.  
SL-3378 Polyether modified polysiloxane ,excellent substrate wetting, anti-crater and leveling, low foam stability and recoatable  
SL-3410 Polyether modified polysiloxane, provides excellent slip and anti crater  
SL-3415 Polyether modified polysiloxane, excellent surface smoothness, anti-crater, leveling and anti-scratch.  
SL-3432 Provides slip, scratch resistance and anti-blocking. Excellent substrate wetting and leveling performance.  
SL-3450 Provides strong slip, scratch resistance and anti-blocking. Improves substrate wetting, leveling and anti-crater performance.  
SL-3455 Polyether modified polysiloxane, Provides strong slip, scratch resistance and anti-blocking. Improves substrate wetting, leveling and anti-crater performance.can be used universally in solvent-borne, radiation-curing and aqueous coatings systems  
SL-3510 Polyether modified polysiloxan, suitable for radiation curable coating systems with surface slip, excellent mar resistance and improve tape release  
SL-3762 Provides slip, scratch resistance and anti-blocking. Excellent substrate wetting and leveling performance.  
Slip Agent SL-3821 Excellent hand feeling in multiple coating formulations at low added levels  
SL-573 suitable for solventborne and radiation curing systems with excellent abrasion and mar resistance  
Resin Modifier SL-4111 Excellent compatibility with PU resin and improve leveling  
SL-4160 Improve leveling and mar resistance of resinous coatings  
SL-4161 Good hand feeling,softness and abrasion resistance  
SL-4162 Improve leveling and anti-sticking properties of resinous coatings to help peel  
SL-5019 Excellent slip and abrasion resistance  
SL-7130 Impart polyurethane coating with flexibility, lubrication and water repellency  
TPU Additives SL-7210 Improving the flexural flexibility and internal release of TPU resin at low temperature  
Silicone Wetting Agent SL-3211 Provides excellent substrate wetting and leveling with no foam stabilization  
SL-3245 provides powerful reduction in surface tension which leads to excellent substrate wetting, leveling and anti-crater  
SL-3246 provides excellent substrate wetting and leveling  
SL-3247 provides excellent anti crate, especiallyl suitable in aqueous and radiation curing borne  
SL-3248 Strong surface tension reduction and excellent substrate wetting  
SL-3249 Hydrolytically stable, especially suitable in pH=4-10 with no assist solvent  
SL-3254 Strong surface tension reduction, improve wetting with hydrolytically stability  
SL-3256 Strong surface tension reduction, excellent substrate wetting, low foaming stability  
SL-3257 Strong surface tension reduction, excellent substrate wetting, low foaming stability  
SL-3259 Modified polysiloxane polymer,good  substrate wetting and anti oil shrinkage  
SL-3260 Modified polysiloxane polymer,good  substrate wetting  
SL-3280 Be used in various of coating system, substrate wetting and leveling  
Silicone Adjuvant for Agriculture SW-248 Water dispersable,cost-effective ,recommend for tank-mix use 67674-67-3
SW-255 Water dispersable,very low foam,recommend for tank-mix use secret
SW-257 Water dispersable,very low foam,recommend for tank-mix use secret
SW-276 water dispersable,medium-low foam,very low freezing point(-30°C) for low temperature applications 134180-76-0
SW-277 water dispersable,medium-high foam,recommend tank-mix use 27306-78-1
SW-278 Medium foam,low pour/freezing point(-30°C) for low temperature applications,soluble in water 134180-76-0
Rigid Foam Surfactant XH-1193 Recommend to formulate into FR foam and also recommend to footware system  
XH-1544 Provide excellent compressive strength and dimensional stablity in HCFC-141b system and Hydrocrbon system and have good flowablity  
XH-1550 The surfactant for HCFC-141b system to provide dimensional stablity and good flowablity  
XH-1625 Sutiable for high-end refrigerators,freezers with C5,HFC,HF or co-blown system, provide low k factor  
XH-1685 Fine closed cell structure and low K factor,foam has good size and stability  
XH-1686 Provide fine cell structure in HCFC-141b and pentane system and also have good K factor  
XH-1690 General purpose and provide good stablity in HCFC-141b, pentane and water blowing system.  
XH-1698 Very fine cell structure and excellent emulsification for pentane system. Especially suitable for appliances and panel and have low K factor.  
XH-1830 General purpose with fine cell structure for OCF  
XH-1880 Suitable for OCF system in  high humidity and high temperature circumstances and provide fine cell structure, good cell opening and dimentional stablity  
XH-1920 Suitable for wood imitation and structural foam  
XH-1790 Suitable for water-blown  low density spray open cells and package,filling foam  
XH-1688  Suitable for Pentane blowing system, fine compatibility  
XH-1847 Low surface tension, decrease bubble of surface,improve flowability, suitable for PIR continuous and discontinuous panel  
XH-15530 Pentane-blown formulations,improves surface,superior flowing  
Flexiable Foam Surfactant XH-2590 Suitable for super low density foam, even low to 6kg/m3 with reasonable formulations  
XH-2580 General purpose with very regular cell structure.  
XH-2581 General purpose with good breathability and hand feeling  
XH-2618 Medium potency silicone, wide processing latitude and fine cell structure  
XH-2595 Regular foam structure,reduce thickness of surface and average density distribution  
XH-2902 Low potency silicone, suitable for high density foam and also can be used for viscoelastic foam  
XH-2950 Surfactant to help flame retardancy, low fogging and low VOC, and help foam to meet the standard of BS5852 crib5.  
XH-2960 High potency FR surfactant, meet the standard of BS5852 and TB 117  
XH-2833 Suitable for TDI system high resilience slabstock foam, wide processing latitude  
HR Foam XH-2815 Suitable for all MDT system and MDI dominated (more than 50%)formulation  
XH-2836 Suitable for all TDI system and TDI dominated formulation  
XH-2837 Suitable for low density,high water formulation  
Silicone for PU shoe sole XH-1193  Industry-standard surfactant for microcellular systems, for shoe sole.  
Silicone Leveling Agent SL-3357 Especially suitable for radiation curing systems with good substrate wetting  
SL-3358 Polyether modified polysiloxane,excellent wetting、leveling improvement,smoothness and abrasion resistant properties.  
SL-4965 leveling ,waterproof point,clear pattern  
Cell Adjustment Agent SL-8107  Polyether modified silicone, non-ionic surface tension reducer and also provides excellent wetting,pro-foaming,and moderate conditioning properties.  
SL-4504 cell adjustment, fine straight cell, good resilience  
Defoamer Formulation Additive SF-5863 as defoamer booster for mineral or silicone oil based pulp defoamers and as emulsifier and booster for paper mill defoamers based on fatty alcohols. In textile application , recommended
as lubricant and wetting/spreading agent in non-polar systems.
 
SF-40  improve the performance of brown stock pulp defoamers used in the manufacture of paper and paperboard for indirect food contact.  
SF-5852 used as additive to defoamer formulations in pulp bleach plants, also used as lubricant in textile auxilary formulations  
Personal Care PC-0193 suitable for a wide range of applications in automotive and household cleaning products. It is a non-ionic surface tension reducer and also provides excellent wetting, pro-foaming, and moderate conditioning properties to your formulation  
PC-0190 Act as surface tension depressant, wetting agent and emulsifier in a wide variety of cosmetic and personal care products. Compatible with a wide range of cosmetic ingredients  
 Defoamer SL-3019 Silicone-containing defoamer for aqueous pigment concentrates for use
in coatings,printing inks and overprint varnishes
 
SL-3901 Polyether-modified polysiloxane, can effectively control the bubble in aqueous coatings, not causing surface defects