Kinte Materials Science and Technology Co.,Ltd
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Insulation Flame Retardant Powder Coating, UL Certified Epoxy Resin Powder Coating
◎Introduction
This series of powder coatings are thermosetting pure epoxy powder coatings made of epoxy resin and epoxy curing agent as the main substrate. The coating film not only has the characteristics of high density and good corner coverage, but also has excellent physical properties and excellent insulating properties.
◎Field of Application
Motor insulation system
Transmission and distribution busbar system
Electronic components such as inductors and capacitors
New energy battery shell insulation
◎Basic Features
Excellent electrical insulating property
Excellent physical and mechanical properties
Good corner coverage
High-density film.
Not includes a solvent and other volatile, environmental-friendly.
◎Key Technical Index
| Properties | Index | Test standard | Test Result |
| Film Appearance | Smooth, allow slight orange peel | Eyeballing | Smooth, slight orange peel |
| Wear Resistance | 1000g, 1000 cycles | ASTMD4060CS-17 | Loss 25mg |
| Apparent Density | 1.2 ~ 1.6g/cm3 | GB/T 6554-2003 | 1.3 ~ 1.5 g/cm3 |
| Impact Strength | Normality ≥ 30Kv/mm Silicone Oil Environment ≥ 60Kv/mm | GB/T 6554-2003 ASTM D149 GB/T1408.1-2006 | ≥ 30Kv/mm |
| Volume Electric Resistance Rate (Normality) | ≥ 10∧15Ω·cm | GB/T 6554-2003 | 1.5 ~ 3.5*10∧15Ω·cm |
| Water Absorbing Capacity (Boiling 2h) | < 1.5% | GB/T1738 | Pass |
| Insulated Heat-resistance Level | Grade B, ≥130ºC | IEC60085-2007 | Grade B |
| Heat Impact Properties | -40 ~ 125ºC, 700 cycles without cracking | GB/T 6554－2003 | Pass |
| Salt-spray Test | 1000h, bubble at the engraved line ≤ 3mm | GB/T /T1771－2007 | Pass |
| Corner Coverage | ≥ 60% | GB/T 6554－2003 | Pass |
| Inflaming Retarding | V-0 Grade | UL-94 | V-0 Grade |
| Comparative Tracking Index (CTI) | ≤ Grade 1 | UL746A | Grade 1 |
| High Amp Arc Ignition Resistant (HAI) | ≤ Grade 1 | UL746A | Grade 0 |
| High Wire Ignition Resistant (HWI) | ≤ Grade 3 | UL746A | Grade 0 |
◎Related Performance Test
◎Application Craft
Spraying Method: Electrostatic spraying or fluidized bed dipping.
Film Thickness: It is determined according to the actual application of the customer, and the recommended film thickness range is controlled within 200 ~ 500um.
Substrate Preheating Temperature: 190-200ºC/10~25min (adjusted according to the thickness, size and film thickness of the workpiece).
Curing Condition: 180ºC/15min or 200ºC/10min.
◎Transportation and Storage
Carton packaging, net weight 20 or 25kg.
Non-dangerous goods, no special transportation requirements.
Store in a cool, dry place below 25°C.
Shelf Life: 6 months.
◎Application Examples
Application of battery shell insulation protection in BYD new energy battery module
New energy connector & Laminated busbar
Connection busbar
Turkey EAE: High current-carrying dense busbar system
Oxygen magnetic ring, SMD inductor