SY-4217 Coating Defoamer

Details:

SY-4217 Coating Defoamer

1．product description

     SY-4217 is a type of water-based emulsion defoamer which Compound with Special hydroxyl polymer and fatty acid derivatives. It inhibits the formation of foam within the latex of styrene-butadiene, pure acrylic, styrene-acrylic, ethylene propylene or polyvinyl acetate;

It can also control the foam caused by water-based systems such as poly vinyl alcohol or adhesives. With the advantages of small dosage, long lasting and good compatibility, it is suitable for coatings, latexes, adhesives and other water-based systems.

2．Features

●Acid and alkali resistance

●Reducing paper diseases such as shrinkage cavities or fisheyes 

●Enhancing the smoothness of paper

●Non-toxic and harmless

3．Physical data

4．Method of use

SY-4217 defoamer can be added in the stage of coating mixing, and also can be added in the storage pipe which transfer the coating to the coating machine. The additive amount is 0.1%～0.3% of the coating, according to specific effect of foam control.

5．Precautions

In case freezing takes place during transportation or storage, the defoamer should be defrost naturally and stirred well before use.

6．Packaging and Storage

Use 200kgs, 1000kgs or negotiated packages. Seal and stock under room temperature, keep away from light. Avoid exposed to extreme cold or hot environment. Shelf life is 1 year.

7．Safety

Avoid contact with eyes or respiratory system; Wash the contacting site with lots of clear water; take a medical care if the situation is serious.

(Remark: for information only; experiments are highly recommended before use the defoamer.）