Shanghai Wenyou Industry Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 50000BARELS/MONTH |
| Delivery Time | within 10 days |
| Packaging Details | iron barrels/drums |
| Viscosity | 200-500 |
| Process | APG & Vacuum Casting |
| Keywords | electric epoxy resin |
| Thermal Decomposition | ＞320°C |
| Adhesion Strength | Strong |
| Usage | Electrical insulation |
| Brand Name | WENYOU |
| Model Number | LE-9516/LH-9516 |
| Certification | REACH/RoHS/UL/SGS/IOS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 50000BARELS/MONTH |
| Delivery Time | within 10 days | Packaging Details | iron barrels/drums |
| Viscosity | 200-500 | Process | APG & Vacuum Casting |
| Keywords | electric epoxy resin | Thermal Decomposition | ＞320°C |
| Adhesion Strength | Strong | Usage | Electrical insulation |
| Brand Name | WENYOU | Model Number | LE-9516/LH-9516 |
| Certification | REACH/RoHS/UL/SGS/IOS | Place of Origin | China |
| High Light | Electrical Insulation Epoxy Resin ，LH-9516 Transformer Epoxy Resin ，Outdoor CT Transformer Epoxy Resin | ||
| Epoxy resin |
| 100pbw |
| Hardener | LH-9516 | 100pbw |
| Filler | Silica | 350-400pbw |
| Color paste | LC- | 3pbw |
Performance
Resin LE-9516 is a modified saturated Curing agent LH-9516 is a modified weathering
epoxy resin system anhydride curing agent.
| Property | Unit | Standard | Property | Unit | Standard | |
| Appearance | Visual | Transparent-yellow liquid | Appearance | Visual | Transparent-yellow liquid | |
| Epoxy value | Eq/kg | 4.0-4.5 | viscosity at 25℃ | mPa.s | 150-400 | |
| viscosity at 25℃ | mPa.s | 500- 1500 | Density at 25℃ | g/cm3 | 1.17- 1.24 | |
| Density at 25℃ | g/cm3 | 1.16- 1.20 | VP | Pa | About 0.5 | |
| VP at 25℃ | Pa | <0.01 | Flash point | ℃ | About 140 | |
| Flash point | ℃ | About 135 |
Process
Epoxy resin LE-9516, curing agent LH-9516 and a certain amount of filler can be mixed according to the following curing process after fully mixing under vacuum conditions:
| Processing parameters | Automatic Pressure Gelation | Vacuum casting |
| Epoxy Resin/Hardener mixing temperature | 40℃/1-2h | 50-60℃/1- 1.5h |
| Feeding method | Pressure(0.5-5bar) | Vacuum (casting pot) |
| Mold temperature | 130-150℃ | 105℃/4-6h |
| Gelation time | 10-50mins | 80℃/4h+100℃/2h+120℃/2h |
| Post-curing | 130-140℃×6-10h | 130-140℃×6-10h |
Gel time
LE-9516:LH-9516=100:100
| Temperature | Gel time |
| at 120℃ | 20-40mins |
| at 140℃ | 9-18mins |
| at 160℃ | 4-8mins |
Mechanical andphysical properties
Test system: Resin LE- 9516 / curing agent LH-9516 / silica flour=100/100/400 Curing conditions: 120 ° C × 4hours +140 ° C × 8hours
Note: The following performance data are measured according to the national standard and are for user reference only.
The specific application data should be determined according to the actual conditions of the user.
| Properties | Typical results | Properties | Typical results | |
| Tg(DSC) | 60-80℃ | Thermal decomposition temperature | >320℃ | |
| tensile strength | 60-80N/ mm2 | Water absorption rate (23 ° C × 10 days) | 0.10-0.20 %by wt. | |
| Flexural strength | 100- 130N/ mm2 | Water absorption rate (100 ° C × 60 minutes) | 0.08-0.15 %by wt. | |
| Compressive strength | 140- 190N/ mm2 | Surface resistivity | 1014 Ω | |
| Impact strength | 8- 16kJ/ m2 | Volume resistivity | 1015 Ω.cm | |
| Curing shrinkage | 0.8- 1.0% | Dielectric strength | 31 kv/mm | |
| Flame resistance (4mm) | HB level | Dielectric loss | 0.02 | |
| Thermal conductivity | 0.8-0.9W/mk |
Key Features & Advantages:
Applications:
FAQ Section:
Q: What curing methods are supported?
A: Compatible with APG injection (130–150°C) and vacuum casting (105–120°C).
Q: Is this resin suitable for indoor use?
A: Yes, but it’s specifically optimized for outdoor durability (UV/weather resistance).
Q: What’s the minimum order quantity?
A: 10KG with flexible drum packaging (20–1200KG options).
Q: Are custom formulations available?
A: Yes, technical parameters can be adjusted for specialized requirements.
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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