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paper chemicals

SUNY Defoamer Antifoam for White-water System

SY-4117
The defoamer SY-4117 is specifically designed to control foam during the papermaking process. It demonstrates strong defoaming and antifoaming effects on white water, rapidly eliminating micro-bubbles entrapped between fibers. This product removes surface foam on the pulp stock, releases dissolved air within the pulp, and eliminates large bubbles on the water surface. By mitigating bubble-related issues, it prevents pinhole formation and reduces paper breaks, while preventing overflow in pulp storage tanks. Consequently, it minimizes fiber and wet-end chemical losses, significantly enhancing sheet uniformity and overall paper quality.
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Physical Properties:
Surface                                     White Emulsion
Density (g/cm3, 25℃)               1.00±0.1
Viscosity (mPa.s, 25℃)            500~3,000
pH Value                                    6.0~8.0
Solid Content                            ≤23%
Stability                                     Centrifuge at 3,000 rpm for 15 minutes
Emulsion Type                          Nonionic