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TMA Free 70/30 Thermosetting Hybrid Curing Resins for Epoxy Polyester Powder Coatings
Hybrid Polyester Resin TMA Free HH2782G with Good Storage Stability and Balance of Properties for Indoor Use
HH2782G is a carboxyl polyester resin designed for 70/30 hybrid powder coatings with excellent gas oven stability. Can be used with B68 for low gloss with good performance. Also, it’s a completely TMA free hybrid polyester resin.
TMA (Trimellitic anhydride) is respiratory sensitizing and can cause severe and permanent damage to lung function if exposed for prolonged periods of time and without intervention. Therefore, using powder coatings made of TMA free polyester resin as the raw material is safer in indoor use.
◇Basic Features:
Outstanding Mechanical Properties
Good Leveling
Good Storage Stability
Good Chemical Resistance
TMA Free
◇Specifications:
| Appearance | White or Light Yellow Transparent Flakes |
| Color (50% DMF) | max:2 |
| Acid Number (mgKOH/g) | 29～34 |
| Softening Point (℃) | 100～110 |
| Glass Transition Temp. ( ℃) | ～60 |
| Melting Viscosity (ICI, mPa·s/200℃) | 5800～7000 |
| Reactivity at 180℃ (s, 30% Epoxy) | 180～280 |
| Curing Requirement | 180℃×15min / 200℃×10min |
| Package | PE Bags, Net Weight 25kg±0.1kg / bag |
◇Recommend Formulation: HH2782G—014U
| HH-2782G | Epoxy Resin | TIO2 | BaSO4 | Leveling Agent | Benzoin | 701 |
| 210 | 90 | 102 | 90 | 4 | 2 | 2.5 |
◇More Codes:
| Code | Ratio | Cure Cycle | AV (mgKOH/g) | Viscosity (mPa.s/200℃) | Tg (℃) | Reactivity (s/180℃) | Properties |
| HH-2781 | 70/30 | 180℃*10min | 30~36 | 4500~6500 | ~56 | 120-240 | Economic resin. Fast Cure, good flow and impact resistance. TMA free. |
| HH-2781T | 70/30 | 180℃*10min | 30~36 | 4000~5500 | ~55 | 100-200 | HH2781T is tribo chargerable of HH2781. |
| HH-2782 | 70/30 | 180℃×10~20min | 29～34 | 5000~7000 | ～60 | 160-240 | Outstanding mechanical properties, good leveling, good storage stability, good Chemical resistance. TMA free |
| HH-2782G | 70/30 | 180℃*15min | 29~35 | 5800~7000 | ~60 | 180-280 | Good storage stability, good balance of properties. TMA free. |
| HH-2783 | 70/30 | 180℃*15min | 29~35 | 4500~6500 | ~57 | 180-300 | General purpose resin. Excellent mechanical properties, good flow, good balance of properties. |
◇Remarks: All the polyester resins could be customized to Non-tin (A), anti gas burners (G), tribo gun (T) and anti-blooming (F).
◇Product Show:
