Evonik TEGOMER® DA 646 Dispersing additive

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Evonik TEGOMER® DA 646 Dispersing additive
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Product description: TEGOMER® DA 646 is a wetting and dispersing additive based on polyether technology and can be used as dispersant in liquid or solid concentrates. Application: TEGOMER® DA 646 is a liquid dispersing additive used for the surface treatment of pigments to improve dispersion properties of: organic pigments inorganic fillers e.g. talc inorganic pigments e.g. titanium dioxide, ultramarine blue, iron oxides TEGOMER® DA 646 can be used for the manufacturing of liquid color pastes, based on oils, polyols or phthalates, containing: organic pigments carbon blacks Due to its HLB balance the additive is even suitable for the manufacturing of water-based pigment concentrates. These can be used in water-based or hydrophobic let-down systems afterwards. Benefits: The use of TEGOMER® DA 646 offers several ad-vantages: high loaded pigment pastes or masterbatches excellent rheological properties without gelling in liquid pastes improved durability higher color strength less speck formation improved mechanical properties Surface treated pigments with TEGOMER® DA 646 can be used in hydrophilic and hydrophobic surroundings. Information provided by Evonik
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Physical Properties	Metric	English	Comments

Viscosity	200 - 800 cP	200 - 800 cP

Optical Properties	Metric	English	Comments
Refractive Index	1.502 - 1.51	1.502 - 1.51

Descriptive Properties
Appearance	liquid, yellowish to red colored, clear
Content	100%		Active content

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PEVONIL580 / 196784

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