Crylcoat 2441-3

CRYLCOAT® 2441-3 is a tribo-active, carboxyl functional polyester resin designed for use with 7% TGIC (triglycidyl isocyanurate) in the production of powder coatings. This product is characterized by excellent flow and good mechanical properties when used in powder coating formulations.

General Description:

• Type: Saturated Polyester Resin
• Form: Pale granules

Product Specifications:

• Brookfield Viscosity at 200°C: 4000-5200 mPa.s
• Color (b-value): Maximum 15
• Acid Value: 30-35 mg KOH/g

Other Properties:

• Glass Transition Temperature (Tg): Approximately 67°C

Starting Formulation:

The typical formulation includes the following components by weight percentage:

• CRYLCOAT® 2441-3: 63.8%
• TGIC: 4.8%
• Titanium Dioxide: 30.0%
• MODAFLOW® Powder 6000: 1.0%
• Benzoin: 0.4%

Extrusion and Application Conditions:

Extrusion:

• Extruder: Twin screw
• Speed: 250 rpm
• Torque: 75 ± 5%
• Temperature: 95 to 105°C

Application:

• Film Thickness: 60 micrometers on steel/chromated Al panel
• Spray Gun Output Voltage: 60 kV
• Curing: 10 minutes at 200°C metal temperature

Film Properties:

• Gloss at 20°/60°: 89% / 95%
• Direct/Reverse Impact on Steel: 160/160 kg.cm or in.lbs.
• Direct/Reverse Impact on Aluminum: 80/80 kg.cm or in.lbs.

Shelf Life:

Under normal storage conditions (≤ 30°C), the shelf life of the resin is 24 months from the date of manufacturing. For products older than 24 months, it is recommended to check the acid value and the viscosity every year.