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Various Color and Exceptional Impact Resistance, Thermoset Pure Epoxy Powder Coatings
◎Introduction
This product is one kind of thermoset powder coating based on epoxy resins and curing agents.
Powder coating is a powder coating with 100% solid content. It is made of film-forming base material, pigment, filler, additive, and other materials. It is coated on the surface of the metal substrate by a high-voltage electrostatic spraying method or thermal coating process. High-temperature melting, leveling, and curing to form a coating film with good decoration and excellent protection performance.
Therefore, powder coatings have many advantages: zero VOC (no volatile organic compounds); easy to use; less waste and high utilization rate; excellent film performance; compliant with Rohs & Reach directives; very environmentally friendly. So the powder coatings are also called 4E coatings: Efficiency, Excellency, Ecology, Economy.
◎Application
For metal (steel or aluminum) items of interior use such as electrical appliances, auto parts, metal furniture, hospital equipment, camping accessories, HI-FI equipment, shelvings, etc.
In addition, by adding different additives, different surface appearances can also be made, such as textures, wrinkles, hammers, etc., to meet the needs of different customers in different usage scenarios.
◎Features
Exceptional impact resistance and surface hardness
Excellent adhesion and flexibility
Certified chemical resistance
Good electric insulation ability
Not suitable for outdoor use directly
Free of toxic, solvent, and volatile toxic substances, environmental-friendly.
◎Specifications
| Color | Various, depends on customers’ requirements |
| Surface | Smooth and special finish (texture, wrinkle, hammer, etc) for all kinds of gloss |
| Film Characteristics | Excellent abrasion resistance, good chemical resistance, particularly in contact with the alkaline products, common solvents. |
| Density | 1.4 ~ 1.8 g/cm3 |
| Gloss Range | 2-95% (smooth surface at 60°) |
| Curing Guide | 200°C/10min or design by customers’ requirements |
| Shelf Life | 12 months below 30°C, avoid direct sunlight |
| Packing | Double PP bags, N.W 20kg or 25kg per carton |
◎Physical/ Chemical Properties
| Properties | Test Method | Value | |
| Impact | GB/T 1732-1993 | ISO 6272 | 50kg.cm (Direct) |
| Cupping Test | GB/T 9753-1988 | ISO 1520 | ≥ 7mm |
| Adhesion (Cross Cut) | GB/T 9286-1998 | ISO 2409 | 0 Grade |
| Flexibility | GB/T 6742-1986 | ISO 1519 | 2mm |
| Pencil Hardness | GB/T 6739-2006 | ASTM D3363 | H~2H |
| Salt Spray | GB/T 1771-2007 | ISO 7253 | ≥ 500h |
| Humidity | GB/T 1740-2007 | ISO 6270 | ≥ 1000h |
| All the tests are using 0.8mm cold-rolled sheets. Coating thickness: 50-80 μm | |||
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