10-35kV Insulation Epoxy Resin with Pre-Mixed Fillers for Room Temperature Cure in Electrical Components
Brand Name:wenyou
Certification:ISO9001, ISO14001, SGS, and UL
Model Number:9229A
Minimum Order Quantity:20kg/pail as sample
Delivery Time:7 -10 work days
Payment Terms:Normally T/T,L/C
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Shanghai Shanghai China
Address:
No.8,Lane 328, Minle Rd. Fengxian 201419,Shanghai P.R.China
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Product Details
LW-9229A/B: Crack-Resistant Room Temp Cure Epoxy for 10-35kV CT/PT Insulation & Outdoor Encapsulation
UL-Certified | Pre-Mixed Fillers | Superior Dielectric Strength
Engineered for outdoor electrical insulation in Current Transformers (CT) and Potential Transformers (PT), this modified BPA epoxy system delivers crack-resistant encapsulation for 10-35kV terminal posts, bushings, and transformer components. With pre-mixed fillers in both resin (LW-9229A) and hardener (LW-9229B), it ensures consistent thermal shock resistance and long-term durability in harsh environments.
Key Advantages
Crack Resistance: Withstands thermal cycling for outdoor applications.
High Dielectric Strength: Critical for 10-35kV insulation systems.
Pre-Mixed Fillers: Simplified processing, no weighing errors.
Room Temperature Cure: Energy-efficient transformer manufacturing.
Moisture & Chemical Resistance: Protects CT/PT units from environmental degradation.
Applications
Ideal for:
10-35kV sealed terminal posts
CT/PT transformer potting & coil encapsulation
Outdoor bushings, insulators, switchgear
High-voltage electrical insulation components
Processing Methods
| Method | Benefit |
|---|---|
| Vacuum Gravity Casting | Bubble-free encapsulation for complex geometries. |
| Automatic Pressure Gelation (APG) | High-yield production of crack-resistant parts. |
Critical Properties
| Property | Value/Description |
|---|---|
| Filler Status | Pre-mixed in resin & hardener |
| Dielectric Strength | >22 kV/mm (ASTM D149) |
| Thermal Shock Resistance | Excellent (1,000+ cycles, IEC 60216) |
| Crack Resistance | Optimized for outdoor exposure |
| Viscosity | Slurry liquid for deep gap filling |
| Certification | UL 94 V-0 (Flame Retardant) |
Formulation Guide
| Component | Product | Proportion |
|---|---|---|
| Epoxy Resin | LW-9229A | 100 pbw |
| Hardener | LW-9229B | 100 pbw |
| Colorant | LC-Series* | 1 pbw |
| *Color paste optional for UV-stable pigmentation. |
Why Choose LW-9229A/B?
This electrical-grade epoxy combines BPA’s structural strength with pre-mixed fillers for unmatched crack resistance in outdoor applications. Its slurry viscosity ensures perfect gap filling for CT/PT windings, while room temperature curing reduces production costs. Ideal for 10-35kV terminal posts and transformer encapsulation, it delivers lifelong moisture resistance and dielectric performance under thermal cycling.
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10-35kV Insulation Epoxy Resin with Pre-Mixed Fillers for Room Temperature Cure in Electrical Components
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