Polyester Resin (Formerly Crylcoat)™
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Description
Crylcoat™ PR-5545 is a medium reactive carboxylated polyester resin for use in PR-5545 POWders. Coatings based on Crylcoat™ PR-5545 exhibit very good flow, high flexibility (+physical ageing) and excellent outdoor weathering resistance.
Product Specifications
| Appearance | Pale granules |
| Brookfield Viscosity@ 200 °C (mPa s) | 200-3500 |
| Color b-value (40% in methyt pyrolydon) | Max 10 |
| Acid value (mg KOH/g) | 50-65 |
Other Properties
| Typical Value | |
| Glass transition (°C) | Approx 67 |
Technical Data Sheet
Extrusion & Application Conditions
| Extrusion | |
| Extruder | Twin screw |
| Speed | 250 rpm |
| Torque | 70 to 80% |
| Temperature | 95 to 105 °C |
| Application | |
| Application | 60 micrometer film on 0.5 mm degreassed cold- rolled steel |
| Spray GUN | Output voltage 60 KV |
| Curing | 10 min @ 180°C metal temperature |
Film Properties
| Test | Result |
| Gloss @ 60°(%) | Min 90 |
| Overbaking resistance (1h @ 200°C) (0.5h @ 230° C) |
excellent |
| Tape adnesion (%) | 100 |
| Conical mandrel | passes |
| Enchsen slow embossing (mm) | Approx 10 |
| Direct impact on Al/steel (kg cm or in-lb) | ≥80/> 160 |
| Reverse impact on Al/steel (kg cm or in-lb) | ≥80/> 160 |
Shelf Life
Under normal storage conditions (25°C) , the shelf life of the resin will be 12 months from date of manufacture. For product older than 12 months,it is recommended to check the acid value and the viscosity every year.
Safety & Environmental Protection
For more information. please refer to the Material Safety Data Sheet.
Start Formulation
| PR-5545 | 325.00 |
| Epoxy resin (Jana SR 5014) | 266.00 |
| Ti 02 (Kronos 2160) | 197.00 |
| Blanc Fix | 197.00 |
| Benzoin | 5.00 |
| PV 88 (Worlee) | 10.00 |
| Total | 1000.00 K |
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