RK-857 is a polysiloxane and polyether copolymerization defoamer with special structure of the active synergist.The special structure ensures that the compatibility of the system is unchanged and the performance is greatly improved. It has strong antifoaming performance in water based flexo ink, water acrylic overprinting, pure acrylic emulsion, PVA, polyurethane emulsion especially during grinding and paint mixing.
Item NO.:
RK-857Payment:
T/T; L/C at sight; DAPProduct Origin:
ChinaColor:
Lightly turbid liquidLead Time:
≤7 daysWater Base Defoamer Emulsion Use
Water based flexo inks
Water based colorant grinding processes
Water based epoxy systems
Water based acrylic and hybrid acrylic Styrene/acrylic acid system
Architectural wall paint and latex paint
Product property:
Low addition
Excellent antifoaming and foam control
Excellent compatibility
Easy to disperse
Special suitable for water-based coating systems
Main physical and chemical properties:
Appearance:Lightly turbid liquid
Viscosity(25°C):300~1000mPa·s
Active content:more than 95%
Ion:Non-ion
Application Process:
The additive amount is 0.1-0.5% , and the optimize volume is depended on the specific requirements on site. RK-857 is specially suitable for adding to the abrasives, In order to improve mixing efficiency , advice to be pre-diluted with solvent. If used in the inking (paint) process, it must be highly shear or pre-diluted.
Water Base Defoamer Emulsion
Click to download related documents : Antifoam RK-857
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