Shanghai Wenyou Industry Co., Ltd.
| 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 |
| Brand Name | wenyou |
| Model Number | 9216F |
| Certification | ISO9001, ISO14001, SGS, and UL |
| Place of Origin | China |
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Product Specification
| 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 | Brand Name | wenyou |
| Model Number | 9216F | Certification | ISO9001, ISO14001, SGS, and UL |
| Place of Origin | China | ||
| High Light | UL 94 V-0 Epoxy Hardener ，Flame Retardant Epoxy Hardener | ||
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.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2008
Total Annual:
15000000-25000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Shanghai Wenyou Industry Co., Ltd.mainly engaged in the advanced materialsof MV and HV insulation products for indoorand outdoor use, both suitable for APG andvacuum casting. Our wide range of products includes epoxy resin, flame retardant resin, curing agents, outdoor modifiers, toughe... Shanghai Wenyou Industry Co., Ltd.mainly engaged in the advanced materialsof MV and HV insulation products for indoorand outdoor use, both suitable for APG andvacuum casting. Our wide range of products includes epoxy resin, flame retardant resin, curing agents, outdoor modifiers, toughe...
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