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High-solids, low-VOC polyester resin designed for environmentally compliant coil and general industrial coatings.
Excellent compatibility with melamine formaldehyde crosslinkers, enabling robust cure performance at standard baking temperatures.
Superior flexibility and impact resistance, supporting demanding forming operations in coil coating applications.
Good chemical resistance to alkalis, weak acids, and common solvents encountered in industrial service environments.
Consistent batch-to-batch reproducibility, ensuring reliable formulation stability and coating process control.
Coil coatings for pre-painted metal (PPM) used in building panels and appliances.
General industrial maintenance coatings for metal furniture and storage systems.
Can coatings for non-food-contact applications requiring durability and gloss retention.
Architectural metal cladding and façade systems requiring weatherability and color stability.
| Chemical Type | Polyester resin (thermosetting, hydroxyl-functional) |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Primary Applications | Coil coatings, general industrial coatings, can coatings (non-food) |
| Key Features | High-solids, low-VOC, melamine-curable, excellent flexibility |
| Benefits | Reduced emissions, efficient curing, good formability, consistent performance |
| Solvent System | Aromatic hydrocarbons and esters (typical) |
Q1: What is the primary application field for DUROFTAL PI 2801 78BAC?
A: DUROFTAL PI 2801 78BAC is a high-performance unsaturated polyester resin specifically developed for demanding powder coating applications, particularly where excellent flow, leveling, and mechanical durability are required — such as in architectural metal finishes, appliance coatings, and industrial equipment.
Q2: Is this resin compatible with standard TGIC-free curing systems?
A: Yes, DUROFTAL PI 2801 78BAC is formulated to be fully compatible with common TGIC-free crosslinkers, including hydroxyalkyl amide (HAA) and beta-hydroxyalkylamide chemistries, enabling compliant, low-VOC, and high-efficiency curing profiles.
Q3: How does DUROFTAL PI 2801 78BAC contribute to film formation and surface appearance?
A: This resin supports superior melt viscosity control during curing, resulting in enhanced flow and reduced orange peel. Its molecular design promotes uniform film formation, excellent gloss retention, and improved resistance to micro-cracking after bending or impact.
Q4: What handling or storage precautions should be observed?
A: Store in tightly sealed containers in a cool, dry, and well-ventilated area away from direct sunlight and sources of heat or ignition. Avoid prolonged exposure to moisture or ambient humidity during handling, as this may affect resin stability and subsequent powder performance.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
