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IOTA 6840


Silanol-functional silicone resin in toluene

FEATURES & BENEFITS

• Excellent leafing properties and water resistance

• Very good gloss retention

• Paints containing IOTA 6840 Resin can give extremely high temperature protection over short periods

• Improves moisture resistance, heat stability and weatherability of many organic resins

• Leveling agent to improve the surface appearance of organic protective coatings

APPLICATIONS

• Blend with up to 50% in organic resins used as binders for finishes to improve gloss and color retention at temperatures up to 430°C (806°F).

• Paints containing acrylic resins cold blended with IOTA 6840 Resin have proved highly suitable for use as touch up paints.

• Aluminum coatings containing 10% to 30% of the resin will resist 538°C (1000°F) over short periods.

• Silicone ceramic coatings based on IOTA 6840 Resin containing ceramic frits are serviceable up to 750°C (1382°F).

TYPICAL PROPERTIES

Property

Unit

Result

Resin solids

%

60

Solvent

Xylene

Color

Light yellow

Specific gravity at 25°C/15.6°C

1.06

Viscosity at 25°C

mPa.s

10 to 30

Flash point - closed cup

°C (°F)

7 (44.6)

Theoretical Residual Silicon Dioxide

%

52

Phenyl / Methyl Ratio

1.2

Curing time at 200°C

hours

1-2

Curing time at 250°C

hour

1

HOW TO USE

IOTA 6840 Resin can be thinned with most ketones, esters and chlorinated solvents, with butanol, ethyl hexanol and glycol ethers and with hydrocarbon solvents having kauributanol values greater than 50.

SHELF LIFE AND STORAGE

When stored at 25°Cin the original unopened container, this product has a usable life of 24 months from the date of production.



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