Coating Wetting Agent RH-209

Coating super wetting agent RH-209 is an incredibly potent and unique surface tension reducing agent for aqueous applications.It (@0.1wt%) gives an aqueous surface tension of 21.5mN/m. It provides superior sheeting,superwetting and penetrating properties to your formulations. It Prevents crater formation in aqueous coatings when the substrate has a low surface tension.

Product Details

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Coating Super Wetting Agent RH-209


1. Coating super wetting agent RH-209 is a polyether-modified trisiloxane.

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Main content:

Polyalkyleneoxide modified Heptamethyltrisiloxane  Cas no: 27306-78-1  


2. Mechanism of Silicone Surfactant:

The chemical structure of silicone surfactant make it have super wetting property compared with regular adjuvant. It is a superspreading surfactant.


3. Product description:

Coating super wetting agent RH-209 is an incredibly potent and unique surface tension reducing agent for aqueous applications.It (@0.1wt%) gives an aqueous surface tension of 21.5mN/m. It provides superior sheeting,superwetting and penetrating properties to your formulations. It Prevents crater formation in aqueous coatings when the substrate has a low surface tension.



4. Key features and typical benefits:

Superspreader;

Penetrating

Sheeting

Emulsifier

Dispersant


5. Specifications: 

Appearance: Colourless to light amber liquid

Surface Tension(0.1%): 20-22 mN/m

Density: 1.007g/cm3

Viscosity(25°C): 15-35mPa.s

Active content: 100%

Cloud point(1% water solution)< 10℃

Solubility: soluble in water ,alcohol, ether,ketone,etc


6. Applications:

● Water-borne coatings:

Substrate Wetting Additives.

Strong penetration power to millipore substrate

To enhance the leveling and flow.

Gloss enhancing.

Control foam and enhance air release.


● Solvent based coatings:

Substrate Wetting Additives.

To enhance the leveling and flow.

Control foam and enhance air release.

Gloss enhancing.


● Painting ink (water based ink,oil based ink):

Substrate Wetting Additives.

To enhance the leveling and flow.

Control foam and enhance air release.

Gloss enhancing.


Special recommend: It can be used as the wetting additives in the leather finishing agent or leather coatings,also can be used as the wetting of synthetic leather release paper.


Advantage:

No effect on overcoat ability, can be used in primer paint.  Anti-pipe.


In general,it is added in the process of paint mixing.

The recommended dosage:

0.5% (wt%) in solvent based system.

0.1-0.2% (wt%) in water based system.


You should determine the most proper concentration for your application through test.

Coating super wetting agent RH-209 is surely stable and it can keep surface activities for long time in PH=6-8 liquid. If the liquid mixtures is PH=3-6 or PH=8-10,you have to test to confirm the usage.


Package:IBC drum,200Kg, 50Kg, or 25Kg/Plastic barrel,or up to clients request.

Storage: Store in dry place, avoid exposing to the sun.

Valid Period: 2 years

             


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