DELTA-SC®2772
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DELTA-SC®2772 

DELTA-SC® 2772 is a silicone-free additive suitable for aqueous and non-aqueous systems. It is designed to reduce the surface tension of various resin systems at substrate interface, which will improve substrate wetting and leveling; and prevent formation of craters without stabilizing foam.

DELTA-SC®2772 is suitable for coatings and printing inks. 


Specifications: 

Composition :Solution of an acrylate copolymer 

Solvent(s) :Sec. butanol 

Specific gravity @ 20°C :ca. 0.95 g/cm3 

Flashpoint :24 °C 

Appearance :Transparent to slightly yellowish liquid 

Active ingredients :60% 


Applications and usage: 

Coatings 

DELTA-SC®2772 has a very wide compatibility, which makes it extremely suitable for use in clear coatings. It improves levelling, prevents cratering and helps substrate wetting without damaging the inter-coat adhesion in multi-layer applications. 

DELTA-SC®2772 is chemically very similar to DELTA-SC®2777 but with less fluor content in the acrylic polymer (lower surface tension reduction). 

It is recommended in the following application systems: 

●    Stoving enamels based on alkyd, acrylic and polyester resins 

●    Polyurethane coatings 

●    Two-pack epoxy compounds 

●    Air-dried alkyd systems 

If used in aqueous coatings, DELTA-SC®2772 must be neutralized with a suitable amine. Complete water solubility will be achieved by addition of 5% of triethylamine or 12% Ammonia solution (25% concentration). 

DELTA-SC®2772 should be added at the end of the batch preparation. 

0.4-2.0% on total formulation weight 


Printing inks 

DELTA-SC®2772 is recommended for free-radically and cationically mediated UV-curable printing inks and over-print varnishes. 

It is also suitable for conventional alkyd-based printing inks and over-print varnishes, and for solvent- based printing inks. 

DELTA-SC®2772 will be effective in flexographic, screen and offset application to difficult substrates. As it does not interfere with inter-coat adhesion, trapping or over-printing is not impaired and the product is suitable for process printing. 

In over-print varnishes, DELTA-SC®2772 may be added at any stage of manufacture. 

In printing inks, addition of DELTA-SC®2772 should take place after the dispersion step. In all cases care should be taken to ensure uniform distribution of the additive. 

0.4-2.0% on total formulation weight 


Safety and Handling: 

DELTA-SC®2772 should be handled in accordance with good industrial practice. Detailed information can be found in the Safety Data Sheet. 


Storage: 

DELTA-SC®2772 should be stored in a cool dry place. When kept in an original unopened container, it will keep up to 5 years from the date of manufacture. The production date is indicated on the container. 


Packaging: 

50 kg and 190 kg non-returnable metallic containers. 


Related Tags: 流平剂,流平剂2772价格,流平剂2772批发

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