Evonik TEGOPREN® 5851 Defoamer

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Evonik TEGOPREN® 5851 Defoamer
Categories:	Other Engineering Material
Material Notes:	Product description: TEGOPREN® 5851 is a 100 % active defoamer based on organo-modified siloxanes. Application: TEGOPREN® 5851 is used as an antifoam in multifunctional diesel fuel additive packages. TEGOPREN® 5851 is used for formulating stable, low foaming neat metal working fluids (MWF). TEGOPREN® 5851 is further used as lubricant in textile auxiliary formulation. TEGOPREN® 5851 can also be used in other lubricating oils (e.g. Transmission fluids and Industrial fluids). TEGOPREN® 5851 can either be blended directly into the oil or diesel fuel or used as part of an additive package. Benefits: TEGOPREN® 5851 provides good foam knock down and hold down properties. TEGOPREN® 5851 is free of silicone oils. Therefore, it has no adverse effect on the finishing process (painting / electroplating etc.) of the treated parts. TEGOPREN® 5851 has no negative impact on air release properties of lubricating oils. TEGOPREN® 5851 is highly compatible. In textile application TEGOPREN® 5851 reduces fiber and fiber metal friction in spin finish application. Information provided by Evonik
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Physical Properties	Original Value	Comments

Density	1.045 - 1.065 g/cc
Viscosity	330 - 570 cP
Surface Tension	30 dynes/cm	0.1% in water

Thermal Properties	Original Value	Comments
Flash Point	>= 85.0 °C

Optical Properties	Original Value	Comments
Refractive Index	1.447 - 1.452

Descriptive Properties
Appearance	liquid, colorless to pale straw
Cloud point	61-67°C
Content	100%	Active matter

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PEVONIL596 / 196800

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