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Low Viscosity Epoxy Resin System for Dry-Type Transformer Vacuum Casting

Low Viscosity Epoxy Resin System for Dry-Type Transformer Vacuum Casting

Low Viscosity Epoxy Resin System for Dry-Type Transformer Vacuum Casting
Low Viscosity Epoxy Resin System for Dry-Type Transformer Vacuum Casting
Categories Electrical Epoxy Resin
Brand Name: WENYOU
Model Number: LE-9516
Certification: ISO RoHS REACH
Place of Origin: CHINA
MOQ: 20KG
Price: Pricing based on different products
Payment Terms: L/C,T/T
Supply Ability: 12000 tons
Delivery Time: 7 working days
Packaging Details: 20KG/200KG/1200KG with Drum
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Company Info.
Shanghai Wenyou Industry Co., Ltd.
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Low Viscosity Epoxy Resin System for Dry-Type Transformer Vacuum Casting

Flame Retardant Epoxy Resin Potting Compound for 10-35kV Electrical Insulation
Production Formulation
ComponentMaterialQuantityNotes
Epoxy resinLE-8516100 pbwModified saturated epoxy resin system
HardenerLH-8516100 pbwModified weather-resistant acid anhydride hardener
FillerSilica Flour300-350 pbw
Color pasteLC series3 pbw
Material Properties
PropertyUnitValue
AppearanceVisualTransparent, light yellow, viscous liquid
Epoxy valueEq/kg4.5-5.0
Viscosity at 25°CmPa.s500-1000
Density at 25°Cg/cm31.16-1.20
Vapour Pressure at 25°CPa<0.01
Flash point°CAbout 135
Processing Parameters
ParameterAutomatic Pressure GelationVacuum Casting
Epoxy/hardener mixture temperature40°C /1-2 hours50-60°C /1-1.5hours
Feeding processPressure (0.5-5bar)Vacuum (casting pot)
Mold temperature130-150°C105°C / 4-6 hours
Gelation time10-30mins80°C/4 hrs+100°C/2hrs+120°C/2hrs
Post cure130-140°C*6-10 hrs130-140°C*6-10 hrs
Cured Material Properties
PropertyValuePropertyValue
Glass transition temperature Tg (DSC)60-80°CThermal conductivity0.8-0.9W/mk
Tensile strength60-80N/mm²Thermal decomposition>320°C
Flexural strength100-130N/mm²Water absorption (23°C*10days)0.10-0.20% by wt.
Compressive strength140-190N/mm²Water absorption (100°C*60 mins)0.08-0.15% by wt.
Impact strength8-16kJ/m²Surface resistivity10¹⁴Ω
Curing shrinkage0.8-1.0%Volume resistivity10¹⁵Ω.cm
Flammability (4mm)HB ClassDielectric strength20-30kV/mm
Loss factor0.02
Storage Information
Store components in tightly sealed, dry original containers at 6-35°C. Shelf life corresponds to expiration date on label (normally 12 months). Partial emptied containers should be closed tightly immediately after use.
About Shanghai Wenyou Industry Co., Ltd.
Established in 2008, we are a professional epoxy resin company specializing in manufacturing, R&D, and sales of epoxy resin, curing agents, and related products. Our product range includes epoxy resin, flame retardant resin, curing agents, outdoor modifiers, toughening agents, epoxy paste, demoulding agents, and fillers.
Certified with ISO9001, ISO14001, SGS, and UL, our products comply with ROHS and REACH safety regulations. Our high-quality products are used in high voltage electrical insulation applications and are exported globally.
Product Tags:

low viscosity epoxy resin

  

dry-type transformer epoxy

  

vacuum casting electrical resin

  
China Low Viscosity Epoxy Resin System for Dry-Type Transformer Vacuum Casting factory

Low Viscosity Epoxy Resin System for Dry-Type Transformer Vacuum Casting

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