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| Categories | Electrical Epoxy Resin |
|---|---|
| Brand Name: | wenyou |
| Model Number: | 9216F |
| Certification: | ISO9001, ISO14001, SGS, and UL |
| Place of Origin: | China |
| MOQ: | 20kg/pail as sample |
| Price: | Negotiable |
| Payment Terms: | Normally L/C,T/T |
| Supply Ability: | Plenty of raw material in stock |
| Delivery Time: | 7 -10 work days |
| Packaging Details: | 20kg/pail, 220kg/barrel, 1200kg/tank |
| Classification: | Double Components Adhesives |
| Usage: | insulators, transformers, and other insulation products |
| Application: | Indoor electrical insulators for medium and high voltage applications |
| Appearance of epoxy resin: | Transparent viscous liquid |
| Appearance of hardener: | Light yellow transparent liquid |
| Viscosity at 25°C: | 4500 - 8000mPa.s |
| Density at 25°C: | 1.16 - 1.20g/cm3 |
| Vapor Pressure at 25°C: | ≤ 0.01Pa |
| Flash point: | around 135°C |
| Epoxy Value: | 4.0 - 4.5Eq/kg |
| Description: | Rich experience epoxy resin production line power industry raw material leader |
| Company Info. |
| Shanghai Wenyou Industry Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
BPA Epoxy Resin + Anhydride Hardener for Critical Fire Safety
LE-9216F epoxy resin and LH-9216F hardener deliver UL 94 V-0 certified flame retardancy for MV switchgear, transformers, and insulators. This halogen-free system creates self-extinguishing encapsulation (extinguishes in <3 seconds), meeting IEC 61439 safety standards while maintaining exceptional dielectric strength (>25kV/mm) and arc resistance.
| Property | Performance |
|---|---|
| Fire Safety | UL 94 V-0 • Low smoke density • Char-forming barrier |
| Electrical | CTI >600V • Arc resistance >180 sec • Volume resistivity >1E14 Ω·cm |
| Environmental | Hydrolytic stability • Chemical resistance to cleaning agents |
| Processing | Low viscosity • Void-free impregnation • Room-temp liquid |
MV Switchgear: Busbar encapsulation, compartment insulation
Dry-Type Transformers (10-36kV)
Circuit Breaker Insulation
High-Voltage Insulators & Bushings
| Method | Advantage |
|---|---|
| Vacuum Gravity Casting | Eliminates bubbles in complex geometries |
| Automatic Pressure Gelation (APG) | 50% faster cycle times • Precision molding |
| Compatible with existing manufacturing workflows |
| Component | Material | Ratio (pbw) |
|---|---|---|
| Epoxy Resin | LE-9216F (BPA Type) | 100 |
| Hardener | LH-9216F (Anhydride) | 100 |
| Filler | Silica Powder | 300-370 |
| Colorant | LC Series Paste | 3 |
| Category | Parameter | Value |
|---|---|---|
| Fire Safety | UL 94 Rating | V-0 (3.0mm thickness) |
| Electrical | Dielectric Strength | 25-28 kV/mm |
| Thermal | Glass Transition Temp (T<sub>g</sub>) | 135°C |
| Mechanical | Flexural Strength | 110 MPa |
Risk Mitigation: Prevents arc-fault propagation in switchgear
Zero Compromise: Maintains electrical properties while achieving V-0
Durability: Withstands thermal cycling (-40°C to +155°C)
Efficiency: Low exotherm curing reduces manufacturing energy
Engineered for critical infrastructure protection – Trusted for encapsulating medium-voltage components where fire safety and dielectric performance are non-negotiable.
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