Afcona 7201

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Afcona 7201

Fluorocarbon modified polyacrylic

Anti-crater, substrate wetting and leveling agent for solvent-based coatings

AFCONA-3670 is an improved version of AFCONA-3777 on managing surface control of coatings. It has lower surface tension than AFCONA -3777. The combination with a suitable polysiloxane for better overall performance is highly recommended. Due to the fluorocarbon modification, it gives lower surface tension than normal pure acrylic leveling agents. Therefore, it gives better anti-crater and improved substrate wetting.

The obvious performances of AFCONA-3670 are:
1. improve leveling
2. prevent craters
3. help substrate wetting
4. act as a defoamer and de-aeration aid
5. do not interfere with intercoat adhesion

AFCONA-3670 is suitable for all solvent based coatings, especially:
1. baking paints, as leveling and anti-crater agent
2. PU coatings, as leveling, anti-crater and anti inner bubble agent
3. epoxies, as leveling and anti-crater agent

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Description

Defoamer with polysiloxane and foam destroying polymer

Good defoamer and deaerator, especially for highly filled epoxy systems

AFCONA-7201is recommended for unsaturated polyester, PVC, epoxy, and polyurethaneres in systems. AFCONA-7201 is a moderately strong defoamer. It is not recommended for unpigmented/clear systems. Adding AFCONA-7201to the resin may cause in-can haziness. However, this has a negligible effect on final gloss and will not influence other properties of the system. One of AFCONA-7201 main performance properties is its ability to elimitate surface bubbles. It is also highly recommended as an effective deaerator and defoamer in polyurethane and epoxy binders for protective and marine coating applications. It does not contain paraffinic solvents.

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