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intro:

Product Descriptions:
Pale, yellowing-resistant aldehyde resin that is soluble in almost all paint solvents and compatible with practically all coatings raw materials. Its main uses are combination with other resin binders and the production or all-purpose pigment pastes.
Nature: Condensation product of urea and aliphatic aldehydes

Features:
1.SN-81 and SN-101 can work with N/C, alkyd or PU, chlorinated copolymer resin and plasticizer to make transparent or colored coating, applicable for wooden article, metal and paper.
2.The solution of SN-81 and SN-101 have low viscosity and good fluidity. It can increase the solid content in coating and improve the film thickness, luster, hardness and aging resistance.
3.SN-81 and SN-101 are insoluble in aliphatic hydrocarbon solvent, so that it can be used in coating resistance to gasoline.
4.SN-81 can be used in baking paint for it will not decompose to send off peculiar smell or influence the luster. 5% dosage can increase the hardness from 1H to 3H and remain the flex-resistance.
5.Comparing between Ketone resins/Maleic resins, SN-81/SN-101 are superior as follow:
•  Better aging resistance;
•  Better fluidity which can increase solid content;
•  Improve the solubility of N/C in mixed solvent;
•  No influence on flex-resistance (If add more than 10% of Ketone resin, flex-resistance will decrease a lot.);
•  Easier to dissolve,low solution viscosity,easier to operate.

Specification:

Items

SN-81

SN-101

Appearance

Colorless to yellowish granule

Yellowish granule

Specific gravity

1.1

1.1

Hydroxyl value

Approx. 40

Approx. 40

Acid value

3 max.

3 max.

Melting point

80 – 95 ‘C

96 – 110 ‘C

Packing: 25kg bags.

 

 

 
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